protected override void OnVirtualItemsSelectionRangeChanged(
ListViewVirtualItemsSelectionRangeChangedEventArgs e)
{
try
{
int start = _lastItemIndexClicked1;
int end = _lastItemIndexClicked2;
if (end < start)
{
int temp = start;
start = end;
end = temp;
}
if ((start >= 0) && (end >= 0))
{
ArrayList toRemove = new ArrayList();
foreach (int index in SelectedIndices)
{
if ((index < start) || (index > end))
toRemove.Add(index);
}
if (toRemove.Count > 0)
{
foreach (int index in toRemove)
{
SelectedIndices.Remove(index);
}
}
}
ListViewVirtualItemsSelectionRangeChangedEventArgs te =
new ListViewVirtualItemsSelectionRangeChangedEventArgs(start,
end, e.IsSelected);
base.OnVirtualItemsSelectionRangeChanged(te);
}
catch
{
}
}
private void EnCambioDeItemsSeleccionados(object laLista, ListViewVirtualItemsSelectionRangeChangedEventArgs losArgumentos)
{
EnCambioDeItemsSeleccionados(laLista, (EventArgs)losArgumentos);
}
private void _culturesList_VirtualItemsSelectionRangeChanged(object sender, ListViewVirtualItemsSelectionRangeChangedEventArgs e)
{
SetDelButtonState();
}
protected virtual void OnVirtualItemsSelectionRangeChanged (ListViewVirtualItemsSelectionRangeChangedEventArgs e)
{
ListViewVirtualItemsSelectionRangeChangedEventHandler eh =
(ListViewVirtualItemsSelectionRangeChangedEventHandler) Events [VirtualItemsSelectionRangeChangedEvent];
if (eh != null)
eh (this, e);
}
private void processingListView_VirtualItemsSelectionRangeChanged( object sender, ListViewVirtualItemsSelectionRangeChangedEventArgs e )
{
processingListView_SelectedIndexChanged( sender, e );
}
private void WatchListView_VirtualItemsSelectionRangeChanged(object sender, ListViewVirtualItemsSelectionRangeChangedEventArgs e)
{
PokeAddressToolBarItem.Enabled =
FreezeAddressToolBarItem.Enabled =
SelectedIndices.Any() &&
SelectedWatches.All(w => w.Domain.CanPoke());
}
private unsafe void WmReflectNotify(ref Message m) {
NativeMethods.NMHDR* nmhdr = (NativeMethods.NMHDR*)m.LParam;
switch (nmhdr->code) {
case NativeMethods.NM_CUSTOMDRAW:
CustomDraw(ref m);
break;
case NativeMethods.LVN_BEGINLABELEDITA:
case NativeMethods.LVN_BEGINLABELEDITW: {
NativeMethods.NMLVDISPINFO_NOTEXT nmlvdp = (NativeMethods.NMLVDISPINFO_NOTEXT)m.GetLParam(typeof(NativeMethods.NMLVDISPINFO_NOTEXT));
LabelEditEventArgs e = new LabelEditEventArgs(nmlvdp.item.iItem);
OnBeforeLabelEdit(e);
m.Result = (IntPtr)(e.CancelEdit ? 1 : 0);
listViewState[LISTVIEWSTATE_inLabelEdit] = !e.CancelEdit;
break;
}
case NativeMethods.LVN_COLUMNCLICK: {
NativeMethods.NMLISTVIEW nmlv = (NativeMethods.NMLISTVIEW)m.GetLParam(typeof(NativeMethods.NMLISTVIEW));
listViewState[LISTVIEWSTATE_columnClicked] = true;
columnIndex = nmlv.iSubItem;
break;
}
case NativeMethods.LVN_ENDLABELEDITA:
case NativeMethods.LVN_ENDLABELEDITW: {
listViewState[LISTVIEWSTATE_inLabelEdit] = false;
NativeMethods.NMLVDISPINFO nmlvdp = (NativeMethods.NMLVDISPINFO)m.GetLParam(typeof(NativeMethods.NMLVDISPINFO));
LabelEditEventArgs e = new LabelEditEventArgs(nmlvdp.item.iItem, nmlvdp.item.pszText);
OnAfterLabelEdit(e);
m.Result = (IntPtr)(e.CancelEdit ? 0 : 1);
// from msdn:
// "If the user cancels editing, the pszText member of the LVITEM structure is NULL"
if (!e.CancelEdit && nmlvdp.item.pszText != null)
Items[nmlvdp.item.iItem].Text = nmlvdp.item.pszText;
break;
}
case NativeMethods.LVN_ITEMACTIVATE:
OnItemActivate(EventArgs.Empty);
break;
case NativeMethods.LVN_BEGINDRAG: {
// the items collection was modified while dragging
// that means that we can't reliably give the user the item on which the dragging started
// so don't tell the user about this operation...
// vsWhidbey 235027
if (!this.ItemCollectionChangedInMouseDown) {
NativeMethods.NMLISTVIEW nmlv = (NativeMethods.NMLISTVIEW)m.GetLParam(typeof(NativeMethods.NMLISTVIEW));
LvnBeginDrag(MouseButtons.Left, nmlv);
}
break;
}
case NativeMethods.LVN_BEGINRDRAG: {
// the items collection was modified while dragging
// that means that we can't reliably give the user the item on which the dragging started
// so don't tell the user about this operation...
// vsWhidbey 235027
if (!this.ItemCollectionChangedInMouseDown) {
NativeMethods.NMLISTVIEW nmlv = (NativeMethods.NMLISTVIEW)m.GetLParam(typeof(NativeMethods.NMLISTVIEW));
LvnBeginDrag(MouseButtons.Right, nmlv);
}
break;
}
case NativeMethods.LVN_ITEMCHANGING: {
NativeMethods.NMLISTVIEW* nmlv = (NativeMethods.NMLISTVIEW*)m.LParam;
if ((nmlv->uChanged & NativeMethods.LVIF_STATE) != 0) {
// Because the state image mask is 1-based, a value of 1 means unchecked,
// anything else means checked. We convert this to the more standard 0 or 1
CheckState oldState = (CheckState)(((nmlv->uOldState & NativeMethods.LVIS_STATEIMAGEMASK) >> 12) == 1 ? 0 : 1);
CheckState newState = (CheckState)(((nmlv->uNewState & NativeMethods.LVIS_STATEIMAGEMASK) >> 12) == 1 ? 0 : 1);
if (oldState != newState) {
ItemCheckEventArgs e = new ItemCheckEventArgs(nmlv->iItem, newState, oldState);
OnItemCheck(e);
m.Result = (IntPtr)(((int)e.NewValue == 0 ? 0 : 1) == (int)oldState ? 1 : 0);
}
}
break;
}
case NativeMethods.LVN_ITEMCHANGED: {
NativeMethods.NMLISTVIEW* nmlv = (NativeMethods.NMLISTVIEW*)m.LParam;
// Check for state changes to the selected state...
if ((nmlv->uChanged & NativeMethods.LVIF_STATE) != 0) {
// Because the state image mask is 1-based, a value of 1 means unchecked,
// anything else means checked. We convert this to the more standard 0 or 1
CheckState oldValue = (CheckState)(((nmlv->uOldState & NativeMethods.LVIS_STATEIMAGEMASK) >> 12) == 1 ? 0 : 1);
CheckState newValue = (CheckState)(((nmlv->uNewState & NativeMethods.LVIS_STATEIMAGEMASK) >> 12) == 1 ? 0 : 1);
if (newValue != oldValue) {
ItemCheckedEventArgs e = new ItemCheckedEventArgs(Items[nmlv->iItem]);
OnItemChecked(e);
}
int oldState = nmlv->uOldState & NativeMethods.LVIS_SELECTED;
int newState = nmlv->uNewState & NativeMethods.LVIS_SELECTED;
// Windows common control always fires
// this event twice, once with newState, oldState, and again with
// oldState, newState.
// Changing this affects the behaviour as the control never
// fires the event on a Deselct of an Items from multiple selections.
// So leave it as it is...
if (newState != oldState) {
if (this.VirtualMode && nmlv->iItem == -1)
{
if (this.VirtualListSize > 0) {
ListViewVirtualItemsSelectionRangeChangedEventArgs lvvisrce = new ListViewVirtualItemsSelectionRangeChangedEventArgs(0, this.VirtualListSize-1, newState != 0);
OnVirtualItemsSelectionRangeChanged(lvvisrce);
}
}
else
{
// APPCOMPAT
// V1.* users implement virtualization by communicating directly to the native ListView and
// by passing our virtualization implementation.
// In that case, the native list view may have an item under the mouse even if our wrapper thinks the item count is 0.
// And that may cause GetItemAt to throw an out of bounds exception.
// See VSW 418791.
if (this.Items.Count > 0) {
ListViewItemSelectionChangedEventArgs lvisce = new ListViewItemSelectionChangedEventArgs(this.Items[nmlv->iItem],
nmlv->iItem,
newState != 0);
OnItemSelectionChanged(lvisce);
}
}
// VSWhidbey 549967 - Delay SelectedIndexChanged event because the last item isn't present yet.
if (this.Items.Count == 0 || this.Items[this.Items.Count - 1] != null)
{
this.listViewState1[LISTVIEWSTATE1_selectedIndexChangedSkipped] = false;
OnSelectedIndexChanged(EventArgs.Empty);
}
else
{
this.listViewState1[LISTVIEWSTATE1_selectedIndexChangedSkipped] = true;
}
}
}
break;
}
case NativeMethods.NM_CLICK:
WmNmClick(ref m);
// FALL THROUGH //
goto case NativeMethods.NM_RCLICK;
case NativeMethods.NM_RCLICK:
NativeMethods.LVHITTESTINFO lvhi = new NativeMethods.LVHITTESTINFO();
int displayIndex = GetIndexOfClickedItem(lvhi);
MouseButtons button = nmhdr->code == NativeMethods.NM_CLICK ? MouseButtons.Left : MouseButtons.Right;
Point pos = Cursor.Position;
pos = PointToClientInternal(pos);
if (!ValidationCancelled && displayIndex != -1) {
OnClick(EventArgs.Empty);
OnMouseClick(new MouseEventArgs(button, 1, pos.X, pos.Y, 0));
}
if (!listViewState[LISTVIEWSTATE_mouseUpFired])
{
OnMouseUp(new MouseEventArgs(button, 1, pos.X, pos.Y, 0));
listViewState[LISTVIEWSTATE_mouseUpFired] = true;
}
break;
case NativeMethods.NM_DBLCLK:
WmNmDblClick(ref m);
// FALL THROUGH //
goto case NativeMethods.NM_RDBLCLK;
case NativeMethods.NM_RDBLCLK:
NativeMethods.LVHITTESTINFO lvhip = new NativeMethods.LVHITTESTINFO();
int index = GetIndexOfClickedItem(lvhip);
if (index != -1) {
//just maintain state and fire double click.. in final mouseUp...
listViewState[LISTVIEWSTATE_doubleclickFired] = true;
}
//fire Up in the Wndproc !!
listViewState[LISTVIEWSTATE_mouseUpFired] = false;
//problem getting the UP... outside the control...
//
CaptureInternal = true;
break;
case NativeMethods.LVN_KEYDOWN:
if (CheckBoxes) {
NativeMethods.NMLVKEYDOWN lvkd = (NativeMethods.NMLVKEYDOWN)m.GetLParam(typeof(NativeMethods.NMLVKEYDOWN));
if (lvkd.wVKey == (short)Keys.Space) {
ListViewItem focusedItem = FocusedItem;
if (focusedItem != null) {
bool check = !focusedItem.Checked;
if (!VirtualMode) {
foreach(ListViewItem item in SelectedItems) {
if (item != focusedItem) {
item.Checked = check;
}
}
}
}
}
}
break;
case NativeMethods.LVN_ODCACHEHINT:
// tell the user to prepare the cache:
NativeMethods.NMLVCACHEHINT cacheHint = (NativeMethods.NMLVCACHEHINT) m.GetLParam(typeof(NativeMethods.NMLVCACHEHINT));
OnCacheVirtualItems(new CacheVirtualItemsEventArgs(cacheHint.iFrom, cacheHint.iTo));
break;
default:
if (nmhdr->code == NativeMethods.LVN_GETDISPINFO) {
// we use the LVN_GETDISPINFO message only in virtual mode
if (this.VirtualMode && m.LParam != IntPtr.Zero) {
// we HAVE to use unsafe code because of a bug in the CLR: WHIDBEY bug 20313
NativeMethods.NMLVDISPINFO_NOTEXT dispInfo= (NativeMethods.NMLVDISPINFO_NOTEXT) m.GetLParam(typeof(NativeMethods.NMLVDISPINFO_NOTEXT));
RetrieveVirtualItemEventArgs rVI = new RetrieveVirtualItemEventArgs(dispInfo.item.iItem);
OnRetrieveVirtualItem(rVI);
ListViewItem lvItem = rVI.Item;
if (lvItem == null)
{
throw new InvalidOperationException(SR.GetString(SR.ListViewVirtualItemRequired));
}
lvItem.SetItemIndex(this, dispInfo.item.iItem);
if ((dispInfo.item.mask & NativeMethods.LVIF_TEXT) != 0) {
string text;
if (dispInfo.item.iSubItem == 0) {
text = lvItem.Text; // we want the item
}
else {
if (lvItem.SubItems.Count <= dispInfo.item.iSubItem) {
throw new InvalidOperationException(SR.GetString(SR.ListViewVirtualModeCantAccessSubItem));
}
else {
text = lvItem.SubItems[dispInfo.item.iSubItem].Text; // we want the sub item
}
}
// use the buffer provided by the ComCtrl list view.
if (dispInfo.item.cchTextMax <= text.Length) {
text = text.Substring(0, dispInfo.item.cchTextMax - 1);
}
if (Marshal.SystemDefaultCharSize == 1) {
// ANSI. Use byte
byte[] buff = System.Text.Encoding.Default.GetBytes(text + "\0");
Marshal.Copy(buff, 0, dispInfo.item.pszText, text.Length + 1);
} else {
char[] buff = (text + "\0").ToCharArray();
Marshal.Copy(buff, 0, dispInfo.item.pszText, text.Length + 1);
}
}
if ((dispInfo.item.mask & NativeMethods.LVIF_IMAGE) != 0 && lvItem.ImageIndex != -1) {
dispInfo.item.iImage = lvItem.ImageIndex;
}
if ((dispInfo.item.mask & NativeMethods.LVIF_INDENT) != 0) {
dispInfo.item.iIndent = lvItem.IndentCount;
}
/* [....]: Couldn't make this work. The dispInfo.item.iSubItem received for the subitems' text
are invalid
if ((dispInfo.item.mask & NativeMethods.LVIF_COLUMNS) != 0) {
int cColumns = this.columnHeaders != null ? this.columnHeaders.Length : 0;
dispInfo.item.cColumns = cColumns;
if (cColumns > 0) {
dispInfo.item.puColumns = Marshal.AllocHGlobal(cColumns * Marshal.SizeOf(typeof(int)));
int[] columns = new int[cColumns];
for (int c = 0; c < cColumns; c++) {
columns[c] = c + 1;
}
Marshal.Copy(columns, 0, dispInfo.item.puColumns, cColumns);
}
}
*/
/* [....]: VirtualMode and grouping seem to be incompatible.
dispInfo.item.mask never includes NativeMethods.LVIF_GROUPID.
Besides, trying to send LVM_ENABLEGROUPVIEW to the listview fails in virtual mode.
if (this.GroupsEnabled && (dispInfo.item.mask & NativeMethods.LVIF_GROUPID) != 0)
{
dispInfo.item.iGroupId = GetNativeGroupId(lvItem);
#if DEBUG
Debug.Assert(SendMessage(NativeMethods.LVM_ISGROUPVIEWENABLED, 0, 0) != IntPtr.Zero, "Groups not enabled");
Debug.Assert(SendMessage(NativeMethods.LVM_HASGROUP, dispInfo.item.iGroupId, 0) != IntPtr.Zero, "Doesn't contain group id: " + dispInfo.item.iGroupId.ToString(CultureInfo.InvariantCulture));
#endif
}
*/
if ((dispInfo.item.stateMask & NativeMethods.LVIS_STATEIMAGEMASK) != 0) {
dispInfo.item.state |= lvItem.RawStateImageIndex;
}
Marshal.StructureToPtr(dispInfo, (IntPtr) m.LParam, false);
}
}
else if (nmhdr->code == NativeMethods.LVN_ODSTATECHANGED) {
if (VirtualMode && m.LParam != IntPtr.Zero) {
NativeMethods.NMLVODSTATECHANGE odStateChange = (NativeMethods.NMLVODSTATECHANGE) m.GetLParam(typeof(NativeMethods.NMLVODSTATECHANGE));
bool selectedChanged = (odStateChange.uNewState & NativeMethods.LVIS_SELECTED) != (odStateChange.uOldState & NativeMethods.LVIS_SELECTED);
if (selectedChanged) {
// we have to substract 1 from iTo due to an imbecility in the win32 ListView control
// see vsWhidbey 275717 - especially the ListView_CalcMinMaxIndex method.
// in Vista, 275717 is fixed in windows OS side, we have don't need to work around here any more.
int iTo = odStateChange.iTo;
if (!UnsafeNativeMethods.IsVista) {
iTo--;
}
ListViewVirtualItemsSelectionRangeChangedEventArgs lvvisrce = new ListViewVirtualItemsSelectionRangeChangedEventArgs(odStateChange.iFrom, iTo, (odStateChange.uNewState & NativeMethods.LVIS_SELECTED) != 0);
OnVirtualItemsSelectionRangeChanged(lvvisrce);
}
}
}
else if (nmhdr->code == NativeMethods.LVN_GETINFOTIP) {
if (ShowItemToolTips && m.LParam != IntPtr.Zero) {
NativeMethods.NMLVGETINFOTIP infoTip = (NativeMethods.NMLVGETINFOTIP) m.GetLParam(typeof(NativeMethods.NMLVGETINFOTIP));
ListViewItem lvi = Items[infoTip.item];
if (lvi != null && !string.IsNullOrEmpty(lvi.ToolTipText)) {
// MSDN:
// Setting the max width has the added benefit of enabling multiline
// tool tips!
//
UnsafeNativeMethods.SendMessage(new HandleRef(this, nmhdr->hwndFrom), NativeMethods.TTM_SETMAXTIPWIDTH, 0, SystemInformation.MaxWindowTrackSize.Width);
if (Marshal.SystemDefaultCharSize == 1) {
// ANSI. Use byte.
// we need to copy the null terminator character ourselves
byte[] byteBuf = System.Text.Encoding.Default.GetBytes(lvi.ToolTipText + "\0");
Marshal.Copy(byteBuf, 0, infoTip.lpszText, Math.Min(byteBuf.Length, infoTip.cchTextMax));
} else {
// UNICODE. Use char.
// we need to copy the null terminator character ourselves
char[] charBuf = (lvi.ToolTipText + "\0").ToCharArray();
Marshal.Copy(charBuf, 0, infoTip.lpszText, Math.Min(charBuf.Length, infoTip.cchTextMax));
}
Marshal.StructureToPtr(infoTip, (IntPtr) m.LParam, false);
}
}
}
else if (nmhdr->code == NativeMethods.LVN_ODFINDITEM) {
if (VirtualMode) {
NativeMethods.NMLVFINDITEM nmlvif = (NativeMethods.NMLVFINDITEM) m.GetLParam(typeof(NativeMethods.NMLVFINDITEM));
if ((nmlvif.lvfi.flags & NativeMethods.LVFI_PARAM) != 0) {
m.Result = (IntPtr) (-1);
return;
}
bool isTextSearch = ((nmlvif.lvfi.flags & NativeMethods.LVFI_STRING) != 0) ||
((nmlvif.lvfi.flags & NativeMethods.LVFI_PARTIAL) != 0);
bool isPrefixSearch = (nmlvif.lvfi.flags & NativeMethods.LVFI_PARTIAL) != 0;
string text = String.Empty;
if (isTextSearch) {
text = nmlvif.lvfi.psz;
}
Point startingPoint = Point.Empty;
if ((nmlvif.lvfi.flags & NativeMethods.LVFI_NEARESTXY) != 0) {
startingPoint = new Point(nmlvif.lvfi.ptX, nmlvif.lvfi.ptY);
}
SearchDirectionHint dir = SearchDirectionHint.Down;
if ((nmlvif.lvfi.flags & NativeMethods.LVFI_NEARESTXY) != 0) {
// We can do this because SearchDirectionHint is set to the VK_*
dir = (SearchDirectionHint) nmlvif.lvfi.vkDirection;
}
int startIndex = nmlvif.iStart;
if (startIndex >= this.VirtualListSize) {
// we want to search starting from the last item. Wrap around the first item.
startIndex = 0;
}
SearchForVirtualItemEventArgs sviEvent = new SearchForVirtualItemEventArgs(
isTextSearch,
isPrefixSearch,
false, /* includeSubItemsInSearch */
text,
startingPoint,
dir,
nmlvif.iStart);
OnSearchForVirtualItem(sviEvent);
if (sviEvent.Index != -1) {
m.Result = (IntPtr) sviEvent.Index;
} else {
m.Result = (IntPtr) (-1);
}
}
}
break;
}
}
private void PreviewListView_VirtualItemsSelectionRangeChanged(object sender, ListViewVirtualItemsSelectionRangeChangedEventArgs e)
{
// Keep track of what image/s are selected.
ListView.SelectedIndexCollection _col = PreviewListView.SelectedIndices;
if (_col.Count > 1)
{
toolStripStatusLabel.ForeColor = Color.Red;
toolStripStatusLabel.Text = "Multiple images selected.";
}
}
private void listView_browse_VirtualItemsSelectionRangeChanged(object sender,
ListViewVirtualItemsSelectionRangeChangedEventArgs e)
{
ZConnection connection = this.GetCurrentZConnection();
if (connection != null)
SaveListViewSelectedToVirtual(connection);
// 需要补发SelectedChanged消息。否则，后到来的本消息，不会促使菜单和工具条按钮状态发生变化
listView_browse_SelectedIndexChanged(null, null);
#if NOOOOOOOOOOOOOOOO
if (e.IsSelected == false)
{
/*
if (e.StartIndex == 0
&& e.EndIndex == 0)
{
Debug.Assert(this.listView_browse.VirtualListSize
== this.CurrentBrowseItems.Count, "");
for (int i = 0; i < this.listView_browse.VirtualListSize; i++)
this.CurrentBrowseItems[i].Selected = false;
}
else
{*/
for (int i = e.StartIndex; i <= e.EndIndex; i++)
this.CurrentBrowseItems[i].Selected = false;
// }
}
else
{
/*
if (e.StartIndex == 0
&& e.EndIndex == 0)
{
Debug.Assert(this.listView_browse.VirtualListSize
== this.CurrentBrowseItems.Count, "");
for (int i = 0; i < this.listView_browse.VirtualListSize; i++)
this.CurrentBrowseItems[i].Selected = true;
}
else
{*/
for (int i = e.StartIndex; i <= e.EndIndex; i++)
this.CurrentBrowseItems[i].Selected = true;
// }
}
#endif
}
private void listSSA_VirtualItemsSelectionRangeChanged(object sender, ListViewVirtualItemsSelectionRangeChangedEventArgs e)
{
int end = (e.EndIndex == lineColl.Count) ? lineColl.Count : e.EndIndex + 1;
for (int index = 0; index != lineColl.Count; index+=1)
lineColl[index].selected = (index >= e.StartIndex && index <= end) ? e.IsSelected : !e.IsSelected;
}
protected override void OnVirtualItemsSelectionRangeChanged(ListViewVirtualItemsSelectionRangeChangedEventArgs e)
{
base.OnVirtualItemsSelectionRangeChanged(e);
///UpdateColumnWidths();
}
private void lvReport_VirtualItemsSelectionRangeChanged(object sender, ListViewVirtualItemsSelectionRangeChangedEventArgs e)
{
this.cmRengeCheck.Enabled = this.ReportSelectedItems().Count > 0;
this.cmRengeCheckCancel.Enabled = this.cmRengeCheck.Enabled;
}
private void listViewFiles_VirtualItemsSelectionRangeChanged(object sender, ListViewVirtualItemsSelectionRangeChangedEventArgs e)
{
if (e.IsSelected)
mSelectedItem = mFilteredItems[e.StartIndex];
else
mSelectedItem = null;
}
private void log_VirtualItemsSelectionRangeChanged(object sender, ListViewVirtualItemsSelectionRangeChangedEventArgs e)
{
for (int i = e.StartIndex; i <= e.EndIndex; ++i)
{
if (e.IsSelected)
{
SelectedEntries.Add(i, EntryCache[i]);
}
else
{
SelectedEntries.Remove(i);
}
}
}
private void listViewLogMessages_VirtualItemsSelectionRangeChanged(object sender, ListViewVirtualItemsSelectionRangeChangedEventArgs e)
{
}
private void LvEventsOnVirtualItemsSelectionRangeChanged(object sender, ListViewVirtualItemsSelectionRangeChangedEventArgs listViewVirtualItemsSelectionRangeChangedEventArgs)
{
UpdateSourceBox();
}
/// <summary>
/// Extends BeginInvoke so that when a state object is not needed, null does not need to be passed.
/// <example>
/// listviewvirtualitemsselectionrangechangedeventhandler.BeginInvoke(sender, e, callback);
/// </example>
/// </summary>
public static IAsyncResult BeginInvoke(this ListViewVirtualItemsSelectionRangeChangedEventHandler listviewvirtualitemsselectionrangechangedeventhandler, Object sender, ListViewVirtualItemsSelectionRangeChangedEventArgs e, AsyncCallback callback)
{
if(listviewvirtualitemsselectionrangechangedeventhandler == null) throw new ArgumentNullException("listviewvirtualitemsselectionrangechangedeventhandler");
return listviewvirtualitemsselectionrangechangedeventhandler.BeginInvoke(sender, e, callback, null);
}
/// <include file='doc\ListView.uex' path='docs/doc[@for="ListView.OnVirtualItemSelectionRangeChanged"]/*' />
protected virtual void OnVirtualItemsSelectionRangeChanged(ListViewVirtualItemsSelectionRangeChangedEventArgs e) {
ListViewVirtualItemsSelectionRangeChangedEventHandler eh = (ListViewVirtualItemsSelectionRangeChangedEventHandler) Events[EVENT_VIRTUALITEMSSELECTIONRANGECHANGED];
if (eh != null)
eh(this, e);
}
void listView_VirtualItemsSelectionRangeChanged(object sender, ListViewVirtualItemsSelectionRangeChangedEventArgs e)
{
}
private void log_VirtualItemsSelectionRangeChanged(object sender, ListViewVirtualItemsSelectionRangeChangedEventArgs e)
{
for (int i = e.StartIndex; i <= e.EndIndex; ++i)
{
if (e.IsSelected)
{
if (!selectedEntries.ContainsKey(i))
selectedEntries.Add(i, null);
}
else
{
selectedEntries.Remove(i);
}
}
}
private void listView1_VirtualItemsSelectionRangeChanged(object sender, ListViewVirtualItemsSelectionRangeChangedEventArgs e)
{
bool singleSelection = e.EndIndex == e.StartIndex;
this.buttonDown.Enabled = singleSelection;
this.buttonUp.Enabled = singleSelection;
}
private void annotationsListView_VirtualItemsSelectionRangeChanged( object sender, ListViewVirtualItemsSelectionRangeChangedEventArgs e )
{
annotationsListView_SelectedIndexChanged( sender, e );
}
public void TestListViewVirtualItemsSelectionRangeChangedEventArgs ()
{
bool selected = false;
int start = 3;
int end = 76;
ListViewVirtualItemsSelectionRangeChangedEventArgs e = new ListViewVirtualItemsSelectionRangeChangedEventArgs (start, end, selected);
Assert.AreEqual (selected, e.IsSelected, "A1");
Assert.AreEqual (start, e.StartIndex, "A2");
Assert.AreEqual (end, e.EndIndex, "A3");
}
private void ItemsMouseDown (object sender, MouseEventArgs me)
{
owner.OnMouseDown (owner.TranslateMouseEventArgs (me));
if (owner.items.Count == 0)
return;
bool box_selecting = false;
Size item_size = owner.ItemSize;
Point pt = new Point (me.X, me.Y);
for (int i = 0; i < owner.items.Count; i++) {
Rectangle item_rect = new Rectangle (owner.GetItemLocation (i), item_size);
if (!item_rect.Contains (pt))
continue;
// Actual item in 'i' position
ListViewItem item = owner.GetItemAtDisplayIndex (i);
if (item.CheckRectReal.Contains (pt)) {
// Don't modify check state if we have only one image
// and if we are in 1.1 profile only take into account
// double clicks
if (owner.StateImageList != null && owner.StateImageList.Images.Count < 2
)
return;
// Generate an extra ItemCheck event when we got two clicks
// (Match weird .Net behaviour)
if (me.Clicks == 2)
item.Checked = !item.Checked;
item.Checked = !item.Checked;
checking = true;
return;
}
if (owner.View == View.Details) {
bool over_text = item.TextBounds.Contains (pt);
if (owner.FullRowSelect) {
clicked_item = item;
bool over_item_column = (me.X > owner.Columns[0].X && me.X < owner.Columns[0].X + owner.Columns[0].Width);
if (!over_text && over_item_column && owner.MultiSelect)
box_selecting = true;
} else if (over_text)
clicked_item = item;
else
owner.SetFocusedItem (i);
} else
clicked_item = item;
break;
}
if (clicked_item != null) {
bool changed = !clicked_item.Selected;
if (me.Button == MouseButtons.Left || (XplatUI.State.ModifierKeys == Keys.None && changed))
owner.SetFocusedItem (clicked_item.DisplayIndex);
if (owner.MultiSelect) {
bool reselect = (!owner.LabelEdit || changed);
if (me.Button == MouseButtons.Left || (XplatUI.State.ModifierKeys == Keys.None && changed))
owner.UpdateMultiSelection (clicked_item.DisplayIndex, reselect);
} else {
clicked_item.Selected = true;
}
if (owner.VirtualMode && changed) {
// Broken event - It's not fired from Item.Selected also
ListViewVirtualItemsSelectionRangeChangedEventArgs args =
new ListViewVirtualItemsSelectionRangeChangedEventArgs (0, owner.items.Count - 1, false);
owner.OnVirtualItemsSelectionRangeChanged (args);
}
// Report clicks only if the item was clicked. On MS the
// clicks are only raised if you click an item
clicks = me.Clicks;
if (me.Clicks > 1) {
if (owner.CheckBoxes)
clicked_item.Checked = !clicked_item.Checked;
} else if (me.Clicks == 1) {
if (owner.LabelEdit && !changed)
BeginEdit (clicked_item); // this is probably not the correct place to execute BeginEdit
}
drag_begin = me.Location;
dragged_item_index = clicked_item.Index;
} else {
if (owner.MultiSelect)
box_selecting = true;
else if (owner.SelectedItems.Count > 0)
owner.SelectedItems.Clear ();
}
if (box_selecting) {
Keys mods = XplatUI.State.ModifierKeys;
if ((mods & Keys.Shift) != 0)
box_select_mode = BoxSelect.Shift;
else if ((mods & Keys.Control) != 0)
box_select_mode = BoxSelect.Control;
else
box_select_mode = BoxSelect.Normal;
box_select_start = pt;
prev_selection = owner.SelectedIndices.List.Clone () as IList;
}
}
protected virtual void OnVirtualItemsSelectionRangeChanged(ListViewVirtualItemsSelectionRangeChangedEventArgs e)
{
ListViewVirtualItemsSelectionRangeChangedEventHandler handler = (ListViewVirtualItemsSelectionRangeChangedEventHandler) base.Events[EVENT_VIRTUALITEMSSELECTIONRANGECHANGED];
if (handler != null)
{
handler(this, e);
}
}
private void lstInvoices_VirtualItemsSelectionRangeChanged(object sender, ListViewVirtualItemsSelectionRangeChangedEventArgs e)
{
}
private unsafe void WmReflectNotify(ref Message m)
{
System.Windows.Forms.NativeMethods.LVHITTESTINFO lvhittestinfo2;
System.Windows.Forms.NativeMethods.NMHDR* lParam = (System.Windows.Forms.NativeMethods.NMHDR*) m.LParam;
switch (lParam->code)
{
case -176:
case -106:
{
this.listViewState[0x4000] = false;
System.Windows.Forms.NativeMethods.NMLVDISPINFO nmlvdispinfo = (System.Windows.Forms.NativeMethods.NMLVDISPINFO) m.GetLParam(typeof(System.Windows.Forms.NativeMethods.NMLVDISPINFO));
LabelEditEventArgs e = new LabelEditEventArgs(nmlvdispinfo.item.iItem, nmlvdispinfo.item.pszText);
this.OnAfterLabelEdit(e);
m.Result = e.CancelEdit ? IntPtr.Zero : ((IntPtr) 1);
if (!e.CancelEdit && (nmlvdispinfo.item.pszText != null))
{
this.Items[nmlvdispinfo.item.iItem].Text = nmlvdispinfo.item.pszText;
}
return;
}
case -175:
case -105:
{
System.Windows.Forms.NativeMethods.NMLVDISPINFO_NOTEXT nmlvdispinfo_notext = (System.Windows.Forms.NativeMethods.NMLVDISPINFO_NOTEXT) m.GetLParam(typeof(System.Windows.Forms.NativeMethods.NMLVDISPINFO_NOTEXT));
LabelEditEventArgs args = new LabelEditEventArgs(nmlvdispinfo_notext.item.iItem);
this.OnBeforeLabelEdit(args);
m.Result = args.CancelEdit ? ((IntPtr) 1) : IntPtr.Zero;
this.listViewState[0x4000] = !args.CancelEdit;
return;
}
case -155:
if (this.CheckBoxes)
{
System.Windows.Forms.NativeMethods.NMLVKEYDOWN nmlvkeydown = (System.Windows.Forms.NativeMethods.NMLVKEYDOWN) m.GetLParam(typeof(System.Windows.Forms.NativeMethods.NMLVKEYDOWN));
if (nmlvkeydown.wVKey == 0x20)
{
ListViewItem focusedItem = this.FocusedItem;
if (focusedItem != null)
{
bool flag = !focusedItem.Checked;
if (!this.VirtualMode)
{
foreach (ListViewItem item2 in this.SelectedItems)
{
if (item2 != focusedItem)
{
item2.Checked = flag;
}
}
}
}
}
}
return;
case -114:
this.OnItemActivate(EventArgs.Empty);
return;
case -113:
{
System.Windows.Forms.NativeMethods.NMLVCACHEHINT nmlvcachehint = (System.Windows.Forms.NativeMethods.NMLVCACHEHINT) m.GetLParam(typeof(System.Windows.Forms.NativeMethods.NMLVCACHEHINT));
this.OnCacheVirtualItems(new CacheVirtualItemsEventArgs(nmlvcachehint.iFrom, nmlvcachehint.iTo));
return;
}
case -111:
if (!this.ItemCollectionChangedInMouseDown)
{
System.Windows.Forms.NativeMethods.NMLISTVIEW nmlv = (System.Windows.Forms.NativeMethods.NMLISTVIEW) m.GetLParam(typeof(System.Windows.Forms.NativeMethods.NMLISTVIEW));
this.LvnBeginDrag(MouseButtons.Right, nmlv);
}
return;
case -109:
if (!this.ItemCollectionChangedInMouseDown)
{
System.Windows.Forms.NativeMethods.NMLISTVIEW nmlistview2 = (System.Windows.Forms.NativeMethods.NMLISTVIEW) m.GetLParam(typeof(System.Windows.Forms.NativeMethods.NMLISTVIEW));
this.LvnBeginDrag(MouseButtons.Left, nmlistview2);
}
return;
case -108:
{
System.Windows.Forms.NativeMethods.NMLISTVIEW nmlistview = (System.Windows.Forms.NativeMethods.NMLISTVIEW) m.GetLParam(typeof(System.Windows.Forms.NativeMethods.NMLISTVIEW));
this.listViewState[0x20000] = true;
this.columnIndex = nmlistview.iSubItem;
return;
}
case -101:
{
System.Windows.Forms.NativeMethods.NMLISTVIEW* nmlistviewPtr2 = (System.Windows.Forms.NativeMethods.NMLISTVIEW*) m.LParam;
if ((nmlistviewPtr2->uChanged & 8) != 0)
{
CheckState state3 = (((nmlistviewPtr2->uOldState & 0xf000) >> 12) == 1) ? CheckState.Unchecked : CheckState.Checked;
CheckState state4 = (((nmlistviewPtr2->uNewState & 0xf000) >> 12) == 1) ? CheckState.Unchecked : CheckState.Checked;
if (state4 != state3)
{
ItemCheckedEventArgs args4 = new ItemCheckedEventArgs(this.Items[nmlistviewPtr2->iItem]);
this.OnItemChecked(args4);
}
int num = nmlistviewPtr2->uOldState & 2;
int num2 = nmlistviewPtr2->uNewState & 2;
if (num2 == num)
{
return;
}
if (this.VirtualMode && (nmlistviewPtr2->iItem == -1))
{
if (this.VirtualListSize > 0)
{
ListViewVirtualItemsSelectionRangeChangedEventArgs args5 = new ListViewVirtualItemsSelectionRangeChangedEventArgs(0, this.VirtualListSize - 1, num2 != 0);
this.OnVirtualItemsSelectionRangeChanged(args5);
}
}
else if (this.Items.Count > 0)
{
ListViewItemSelectionChangedEventArgs args6 = new ListViewItemSelectionChangedEventArgs(this.Items[nmlistviewPtr2->iItem], nmlistviewPtr2->iItem, num2 != 0);
this.OnItemSelectionChanged(args6);
}
if ((this.Items.Count == 0) || (this.Items[this.Items.Count - 1] != null))
{
this.listViewState1[0x10] = false;
this.OnSelectedIndexChanged(EventArgs.Empty);
return;
}
this.listViewState1[0x10] = true;
}
return;
}
case -100:
{
System.Windows.Forms.NativeMethods.NMLISTVIEW* nmlistviewPtr = (System.Windows.Forms.NativeMethods.NMLISTVIEW*) m.LParam;
if ((nmlistviewPtr->uChanged & 8) != 0)
{
CheckState currentValue = (((nmlistviewPtr->uOldState & 0xf000) >> 12) == 1) ? CheckState.Unchecked : CheckState.Checked;
CheckState newCheckValue = (((nmlistviewPtr->uNewState & 0xf000) >> 12) == 1) ? CheckState.Unchecked : CheckState.Checked;
if (currentValue == newCheckValue)
{
return;
}
ItemCheckEventArgs ice = new ItemCheckEventArgs(nmlistviewPtr->iItem, newCheckValue, currentValue);
this.OnItemCheck(ice);
m.Result = (((ice.NewValue == CheckState.Unchecked) ? CheckState.Unchecked : CheckState.Checked) == currentValue) ? ((IntPtr) 1) : IntPtr.Zero;
}
return;
}
case -12:
this.CustomDraw(ref m);
return;
case -6:
goto Label_0517;
case -5:
break;
case -3:
this.WmNmDblClick(ref m);
goto Label_0517;
case -2:
this.WmNmClick(ref m);
break;
default:
if (lParam->code == System.Windows.Forms.NativeMethods.LVN_GETDISPINFO)
{
if (this.VirtualMode && (m.LParam != IntPtr.Zero))
{
System.Windows.Forms.NativeMethods.NMLVDISPINFO_NOTEXT structure = (System.Windows.Forms.NativeMethods.NMLVDISPINFO_NOTEXT) m.GetLParam(typeof(System.Windows.Forms.NativeMethods.NMLVDISPINFO_NOTEXT));
RetrieveVirtualItemEventArgs args7 = new RetrieveVirtualItemEventArgs(structure.item.iItem);
this.OnRetrieveVirtualItem(args7);
ListViewItem item = args7.Item;
if (item == null)
{
throw new InvalidOperationException(System.Windows.Forms.SR.GetString("ListViewVirtualItemRequired"));
}
item.SetItemIndex(this, structure.item.iItem);
if ((structure.item.mask & 1) != 0)
{
string text;
if (structure.item.iSubItem == 0)
{
text = item.Text;
}
else
{
if (item.SubItems.Count <= structure.item.iSubItem)
{
throw new InvalidOperationException(System.Windows.Forms.SR.GetString("ListViewVirtualModeCantAccessSubItem"));
}
text = item.SubItems[structure.item.iSubItem].Text;
}
if (structure.item.cchTextMax <= text.Length)
{
text = text.Substring(0, structure.item.cchTextMax - 1);
}
if (Marshal.SystemDefaultCharSize == 1)
{
Marshal.Copy(Encoding.Default.GetBytes(text + "\0"), 0, structure.item.pszText, text.Length + 1);
}
else
{
Marshal.Copy((text + "\0").ToCharArray(), 0, structure.item.pszText, text.Length + 1);
}
}
if (((structure.item.mask & 2) != 0) && (item.ImageIndex != -1))
{
structure.item.iImage = item.ImageIndex;
}
if ((structure.item.mask & 0x10) != 0)
{
structure.item.iIndent = item.IndentCount;
}
if ((structure.item.stateMask & 0xf000) != 0)
{
structure.item.state |= item.RawStateImageIndex;
}
Marshal.StructureToPtr(structure, m.LParam, false);
return;
}
}
else if (lParam->code == -115)
{
if (this.VirtualMode && (m.LParam != IntPtr.Zero))
{
System.Windows.Forms.NativeMethods.NMLVODSTATECHANGE nmlvodstatechange = (System.Windows.Forms.NativeMethods.NMLVODSTATECHANGE) m.GetLParam(typeof(System.Windows.Forms.NativeMethods.NMLVODSTATECHANGE));
if ((nmlvodstatechange.uNewState & 2) != (nmlvodstatechange.uOldState & 2))
{
ListViewVirtualItemsSelectionRangeChangedEventArgs args8 = new ListViewVirtualItemsSelectionRangeChangedEventArgs(nmlvodstatechange.iFrom, nmlvodstatechange.iTo - 1, (nmlvodstatechange.uNewState & 2) != 0);
this.OnVirtualItemsSelectionRangeChanged(args8);
return;
}
}
}
else if (lParam->code == System.Windows.Forms.NativeMethods.LVN_GETINFOTIP)
{
if (this.ShowItemToolTips && (m.LParam != IntPtr.Zero))
{
System.Windows.Forms.NativeMethods.NMLVGETINFOTIP nmlvgetinfotip = (System.Windows.Forms.NativeMethods.NMLVGETINFOTIP) m.GetLParam(typeof(System.Windows.Forms.NativeMethods.NMLVGETINFOTIP));
ListViewItem item4 = this.Items[nmlvgetinfotip.item];
if ((item4 != null) && !string.IsNullOrEmpty(item4.ToolTipText))
{
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, lParam->hwndFrom), 0x418, 0, SystemInformation.MaxWindowTrackSize.Width);
if (Marshal.SystemDefaultCharSize == 1)
{
byte[] bytes = Encoding.Default.GetBytes(item4.ToolTipText + "\0");
Marshal.Copy(bytes, 0, nmlvgetinfotip.lpszText, Math.Min(bytes.Length, nmlvgetinfotip.cchTextMax));
}
else
{
char[] source = (item4.ToolTipText + "\0").ToCharArray();
Marshal.Copy(source, 0, nmlvgetinfotip.lpszText, Math.Min(source.Length, nmlvgetinfotip.cchTextMax));
}
Marshal.StructureToPtr(nmlvgetinfotip, m.LParam, false);
return;
}
}
}
else if ((lParam->code == System.Windows.Forms.NativeMethods.LVN_ODFINDITEM) && this.VirtualMode)
{
System.Windows.Forms.NativeMethods.NMLVFINDITEM nmlvfinditem = (System.Windows.Forms.NativeMethods.NMLVFINDITEM) m.GetLParam(typeof(System.Windows.Forms.NativeMethods.NMLVFINDITEM));
if ((nmlvfinditem.lvfi.flags & 1) != 0)
{
m.Result = (IntPtr) (-1);
return;
}
bool isTextSearch = ((nmlvfinditem.lvfi.flags & 2) != 0) || ((nmlvfinditem.lvfi.flags & 8) != 0);
bool isPrefixSearch = (nmlvfinditem.lvfi.flags & 8) != 0;
string psz = string.Empty;
if (isTextSearch)
{
psz = nmlvfinditem.lvfi.psz;
}
Point empty = Point.Empty;
if ((nmlvfinditem.lvfi.flags & 0x40) != 0)
{
empty = new Point(nmlvfinditem.lvfi.ptX, nmlvfinditem.lvfi.ptY);
}
SearchDirectionHint down = SearchDirectionHint.Down;
if ((nmlvfinditem.lvfi.flags & 0x40) != 0)
{
down = (SearchDirectionHint) nmlvfinditem.lvfi.vkDirection;
}
if (nmlvfinditem.iStart >= this.VirtualListSize)
{
}
SearchForVirtualItemEventArgs args9 = new SearchForVirtualItemEventArgs(isTextSearch, isPrefixSearch, false, psz, empty, down, nmlvfinditem.iStart);
this.OnSearchForVirtualItem(args9);
if (args9.Index != -1)
{
m.Result = (IntPtr) args9.Index;
return;
}
m.Result = (IntPtr) (-1);
}
return;
}
System.Windows.Forms.NativeMethods.LVHITTESTINFO lvhi = new System.Windows.Forms.NativeMethods.LVHITTESTINFO();
int indexOfClickedItem = this.GetIndexOfClickedItem(lvhi);
MouseButtons button = (lParam->code == -2) ? MouseButtons.Left : MouseButtons.Right;
Point position = Cursor.Position;
position = base.PointToClientInternal(position);
if (!base.ValidationCancelled && (indexOfClickedItem != -1))
{
this.OnClick(EventArgs.Empty);
this.OnMouseClick(new MouseEventArgs(button, 1, position.X, position.Y, 0));
}
if (!this.listViewState[0x80000])
{
this.OnMouseUp(new MouseEventArgs(button, 1, position.X, position.Y, 0));
this.listViewState[0x80000] = true;
}
return;
Label_0517:
lvhittestinfo2 = new System.Windows.Forms.NativeMethods.LVHITTESTINFO();
if (this.GetIndexOfClickedItem(lvhittestinfo2) != -1)
{
this.listViewState[0x40000] = true;
}
this.listViewState[0x80000] = false;
base.CaptureInternal = true;
}
private void listViewSessions_VirtualItemsSelectionRangeChanged(object sender, ListViewVirtualItemsSelectionRangeChangedEventArgs e)
{
int end = (e.EndIndex + 2 <= m_SessionViewItems.Count) ? e.EndIndex + 2 : m_SessionViewItems.Count;
lock (m_SessionViewItems)
{
for (int i = e.StartIndex; i < end; i++)
{
m_SessionViewItems[i].Selected = e.IsSelected;
}
}
ClearCache();
listViewSessions.Invalidate();
}
protected virtual void OnVirtualItemsSelectionRangeChanged(ListViewVirtualItemsSelectionRangeChangedEventArgs e)
{
throw null;
}
