/// <summary>
/// Retrieves the specified portion of the bounding rectangle for a specific item within the list view control.
/// </summary>
/// <param name="listView">The <see cref="ListView"/> control.</param>
/// <param name="index">The zero-based index of the item within the <see cref="ListView.ListViewItemCollection"/> whose bounding rectangle you want to return.</param>
/// <param name="portion">One of the <see cref="ItemBoundsPortion"/> values that represents a portion of the <see cref="ListViewItem"/> for which to retrieve the bounding rectangle.</param>
/// <returns>A <see cref="Rectangle"/> that represents the bounding rectangle for the specified portion of the specified <see cref="ListViewItem"/>.</returns>
public static Rectangle GetItemRect(this ListView listView, int index, ItemBoundsPortion portion)
{
RECT r = new RECT();
r.left = (int)portion;
int result = NativeMethods.SendMessage(listView.Handle, LVM_GETITEMRECT, index, ref r);
return(r.ToRectangle());
}
public Rectangle GetBounds(ItemBoundsPortion portion)
{
if (listView != null)
{
return(listView.GetItemRect(Index, portion));
}
else
{
return(Rectangle.Empty);
}
}
/// <summary>
/// Retrieves the specified portion of the bounding rectangle for the item
/// </summary>
/// <param name="portion">One of the TreeListViewItemBoundsPortion values that represents a portion of the item for which to retrieve the bounding rectangle</param>
/// <returns>A Rectangle that represents the bounding rectangle for the specified portion of the item</returns>
public Rectangle GetBounds(TreeListViewItemBoundsPortion portion)
{
switch ((int)portion)
{
case (int)TreeListViewItemBoundsPortion.PlusMinus:
if (TreeListView == null)
{
throw (new Exception("This item is not associated with a TreeListView control"));
}
Point pos = base.GetBounds(ItemBoundsPortion.Entire).Location;
Point position = new Point(
Level * SystemInformation.SmallIconSize.Width + 1 + pos.X,
TreeListView.GetItemRect(Index, ItemBoundsPortion.Entire).Top + 1);
return(new Rectangle(position, TreeListView.ShowPlusMinus ? SystemInformation.SmallIconSize : new Size(0, 0)));
default:
ItemBoundsPortion lviPortion = (ItemBoundsPortion)(int)portion;
return(base.GetBounds(lviPortion));
}
}
public Rectangle GetItemRect(int index, ItemBoundsPortion portion)
{
return Rectangle.Empty;
}
/// <include file='doc\ListViewItem.uex' path='docs/doc[@for="ListViewItem.GetBounds"]/*' />
/// <devdoc>
/// Returns a specific portion of the ListViewItem's bounding rectangle.
/// The rectangle returned is empty if the ListViewItem has not been added to a ListView control.
/// </devdoc>
public Rectangle GetBounds(ItemBoundsPortion portion) {
if (listView != null && listView.IsHandleCreated) {
return listView.GetItemRect(Index, portion);
}
else return new Rectangle();
}
internal Rectangle GetSubItemRect(int itemIndex, int subItemIndex, ItemBoundsPortion portion)
{
if (this.View != System.Windows.Forms.View.Details)
{
return Rectangle.Empty;
}
if ((itemIndex < 0) || (itemIndex >= this.Items.Count))
{
throw new ArgumentOutOfRangeException("itemIndex", System.Windows.Forms.SR.GetString("InvalidArgument", new object[] { "itemIndex", itemIndex.ToString(CultureInfo.CurrentCulture) }));
}
int count = this.Items[itemIndex].SubItems.Count;
if ((subItemIndex < 0) || (subItemIndex >= count))
{
throw new ArgumentOutOfRangeException("subItemIndex", System.Windows.Forms.SR.GetString("InvalidArgument", new object[] { "subItemIndex", subItemIndex.ToString(CultureInfo.CurrentCulture) }));
}
if (!System.Windows.Forms.ClientUtils.IsEnumValid(portion, (int) portion, 0, 3))
{
throw new InvalidEnumArgumentException("portion", (int) portion, typeof(ItemBoundsPortion));
}
if (this.Columns.Count == 0)
{
return Rectangle.Empty;
}
System.Windows.Forms.NativeMethods.RECT lparam = new System.Windows.Forms.NativeMethods.RECT {
left = (int) portion,
top = subItemIndex
};
if (((int) ((long) base.SendMessage(0x1038, itemIndex, ref lparam))) == 0)
{
throw new ArgumentException(System.Windows.Forms.SR.GetString("InvalidArgument", new object[] { "itemIndex", itemIndex.ToString(CultureInfo.CurrentCulture) }));
}
return Rectangle.FromLTRB(lparam.left, lparam.top, lparam.right, lparam.bottom);
}
public System.Drawing.Rectangle GetItemRect(int index, ItemBoundsPortion portion) {}
///<summary>
///Retrieves the specified portion of the bounding rectangle for a specific item within the list view control.
///</summary>
///
///<returns>
///A <see cref="T:System.Drawing.Rectangle"></see> that represents the bounding rectangle for the specified portion of the specified <see cref="T:System.Windows.Forms.ListViewItem"></see>.
///</returns>
///
///<param name="portion">One of the <see cref="T:System.Windows.Forms.ItemBoundsPortion"></see> values that represents a portion of the <see cref="T:System.Windows.Forms.ListViewItem"></see> for which to retrieve the bounding rectangle. </param>
///<param name="index">The zero-based index of the item within the <see cref="T:System.Windows.Forms.ListView.ListViewItemCollection"></see> whose bounding rectangle you want to return. </param><filterpriority>1</filterpriority><PermissionSet><IPermission class="System.Security.Permissions.EnvironmentPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" /><IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" /><IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode, ControlEvidence" /><IPermission class="System.Diagnostics.PerformanceCounterPermission, System, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" /></PermissionSet>
public Rectangle GetItemRect(int index, ItemBoundsPortion portion)
{
return shortcutList.GetItemRect(index, portion);
}
public System.Drawing.Rectangle GetBounds(ItemBoundsPortion portion) {}
public Rectangle GetBounds(ItemBoundsPortion portion)
{
throw null;
}
public Rectangle GetBounds (ItemBoundsPortion portion)
{
if (owner == null)
return Rectangle.Empty;
Rectangle rect;
switch (portion) {
case ItemBoundsPortion.Icon:
rect = icon_rect;
break;
case ItemBoundsPortion.Label:
rect = label_rect;
break;
case ItemBoundsPortion.ItemOnly:
rect = item_rect;
break;
case ItemBoundsPortion.Entire:
rect = bounds;
break;
default:
throw new ArgumentException ("Invalid value for portion.");
}
Point item_loc = owner.GetItemLocation (DisplayIndex);
rect.X += item_loc.X;
rect.Y += item_loc.Y;
return rect;
}
///<summary>
///Retrieves the specified portion of the bounding rectangle for a specific item within the list view control.
///</summary>
///
///<returns>
///A <see cref="T:System.Drawing.Rectangle"></see> that represents the bounding rectangle for the specified portion of the specified <see cref="T:System.Windows.Forms.ListViewItem"></see>.
///</returns>
///
///<param name="portion">One of the <see cref="T:System.Windows.Forms.ItemBoundsPortion"></see> values that represents a portion of the <see cref="T:System.Windows.Forms.ListViewItem"></see> for which to retrieve the bounding rectangle. </param>
///<param name="index">The zero-based index of the item within the <see cref="T:System.Windows.Forms.ListView.ListViewItemCollection"></see> whose bounding rectangle you want to return. </param><filterpriority>1</filterpriority><PermissionSet><IPermission class="System.Security.Permissions.EnvironmentPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" /><IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" /><IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode, ControlEvidence" /><IPermission class="System.Diagnostics.PerformanceCounterPermission, System, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" /></PermissionSet>
public Rectangle GetItemRect(int index, ItemBoundsPortion portion)
{
return(shortcutList.GetItemRect(index, portion));
}
public Rectangle GetBounds(ItemBoundsPortion portion)
{
if ((this.listView != null) && this.listView.IsHandleCreated)
{
return this.listView.GetItemRect(this.Index, portion);
}
return new Rectangle();
}
public Rectangle GetBounds (ItemBoundsPortion portion)
{
if (owner == null)
return Rectangle.Empty;
Rectangle rect;
#if NET_2_0
// Call Layout if bounds haven't been computed.
// since we can get different item instances at each invocation
if (owner.VirtualMode && bounds == Rectangle.Empty)
Layout ();
#endif
switch (portion) {
case ItemBoundsPortion.Icon:
rect = icon_rect;
break;
case ItemBoundsPortion.Label:
rect = label_rect;
break;
case ItemBoundsPortion.ItemOnly:
rect = item_rect;
break;
case ItemBoundsPortion.Entire:
rect = bounds;
break;
default:
throw new ArgumentException ("Invalid value for portion.");
}
Point item_loc = owner.GetItemLocation (DisplayIndex);
rect.X += item_loc.X;
rect.Y += item_loc.Y;
return rect;
}
/// <include file='doc\ListView.uex' path='docs/doc[@for="ListView.GetItemRect1"]/*' />
/// <devdoc>
/// Returns a specific portion of a list item's bounding rectangle.
/// </devdoc>
public Rectangle GetItemRect(int index, ItemBoundsPortion portion) {
if (index < 0 || index >= this.Items.Count) {
throw new ArgumentOutOfRangeException("index", SR.GetString(SR.InvalidArgument, "index", (index).ToString(CultureInfo.CurrentCulture)));
}
//valid values are 0x0 to 0x3
if (!ClientUtils.IsEnumValid(portion, (int)portion, (int)ItemBoundsPortion.Entire, (int)ItemBoundsPortion.ItemOnly)){
throw new InvalidEnumArgumentException("portion", (int)portion, typeof(ItemBoundsPortion));
}
if (this.View == View.Details && this.Columns.Count == 0) {
return Rectangle.Empty;
}
NativeMethods.RECT itemrect = new NativeMethods.RECT();
itemrect.left = (int)portion;
if (unchecked( (int) (long)SendMessage(NativeMethods.LVM_GETITEMRECT, index, ref itemrect)) == 0)
throw new ArgumentException(SR.GetString(SR.InvalidArgument,
"index",
(index).ToString(CultureInfo.CurrentCulture)));
return Rectangle.FromLTRB(itemrect.left, itemrect.top, itemrect.right, itemrect.bottom);
}
public System.Drawing.Rectangle GetItemRect(int index, ItemBoundsPortion portion)
{
}
internal Rectangle GetSubItemRect(int itemIndex, int subItemIndex, ItemBoundsPortion portion) {
// it seems that getting the rectangle for a sub item only works for list view which are in Details view
if (this.View != View.Details) {
return Rectangle.Empty;
}
if (itemIndex < 0 || itemIndex >= this.Items.Count) {
throw new ArgumentOutOfRangeException("itemIndex", SR.GetString(SR.InvalidArgument, "itemIndex", (itemIndex).ToString(CultureInfo.CurrentCulture)));
}
int subItemCount = Items[itemIndex].SubItems.Count;
if (subItemIndex < 0 || subItemIndex >= subItemCount) {
throw new ArgumentOutOfRangeException("subItemIndex", SR.GetString(SR.InvalidArgument, "subItemIndex", (subItemIndex).ToString(CultureInfo.CurrentCulture)));
}
//valid values are 0x0 to 0x3
if (!ClientUtils.IsEnumValid(portion, (int)portion, (int)ItemBoundsPortion.Entire, (int)ItemBoundsPortion.ItemOnly))
{
throw new InvalidEnumArgumentException("portion", (int)portion, typeof(ItemBoundsPortion));
}
if (this.Columns.Count == 0) {
return Rectangle.Empty;
}
NativeMethods.RECT itemrect = new NativeMethods.RECT();
itemrect.left = (int)portion;
itemrect.top = subItemIndex;
if (unchecked( (int) (long)SendMessage(NativeMethods.LVM_GETSUBITEMRECT, itemIndex, ref itemrect)) == 0)
throw new ArgumentException(SR.GetString(SR.InvalidArgument,
"itemIndex",
(itemIndex).ToString(CultureInfo.CurrentCulture)));
Rectangle result = Rectangle.FromLTRB(itemrect.left, itemrect.top, itemrect.right, itemrect.bottom);
return result;
}
public System.Drawing.Rectangle GetBounds(ItemBoundsPortion portion)
{
}
public Rectangle GetItemRect (int index, ItemBoundsPortion portion)
{
if (index < 0 || index >= items.Count)
throw new IndexOutOfRangeException ("index");
return items [index].GetBounds (portion);
}
public Rectangle GetBounds(ItemBoundsPortion portion)
{
if (listView != null)
{
return listView.GetItemRect(Index, portion);
}
else
{
return Rectangle.Empty;
}
}
private Rectangle CalculateCellBounds(OLVListItem item, int subItemIndex, ItemBoundsPortion portion)
{
// SubItem.Bounds works for every subitem, except the first.
if (subItemIndex > 0)
return item.SubItems[subItemIndex].Bounds;
// For non detail views, we just use the requested portion
Rectangle r = this.GetItemRect(item.Index, portion);
if (r.Y < -10000000 || r.Y > 10000000) {
r.Y = item.Bounds.Y;
}
if (this.View != View.Details)
return r;
// Finding the bounds of cell 0 should not be a difficult task, but it is. Problems:
// 1) item.SubItem[0].Bounds is always the full bounds of the entire row, not just cell 0.
// 2) if column 0 has been dragged to some other position, the bounds always has a left edge of 0.
// We avoid both these problems by using the position of sides the column header to calculate
// the sides of the cell
Point sides = NativeMethods.GetScrolledColumnSides(this, 0);
r.X = sides.X + 4;
r.Width = sides.Y - sides.X - 5;
return r;
}
public Rectangle GetItemRect(int index, ItemBoundsPortion portion)
{
throw null;
}
