public EnumVariantObject(AccessibleObject owner) {
Debug.Assert(owner != null, "Cannot create EnumVariantObject with a null owner");
this.owner = owner;
}
public DataGridViewRow ()
{
cells = new DataGridViewCellCollection(this);
minimumHeight = 3;
height = -1;
explicit_height = -1;
headerCell = new DataGridViewRowHeaderCell();
headerCell.SetOwningRow (this);
accessibilityObject = new AccessibleObject ();
SetState (DataGridViewElementStates.Visible);
}
internal virtual bool GetSysChild(AccessibleNavigation navdir, out AccessibleObject accessibleObject)
{
accessibleObject = null;
return false;
}
internal InternalAccessibleObject(AccessibleObject accessibleImplemention)
{
this.publicIAccessible = accessibleImplemention;
this.publicIEnumVariant = accessibleImplemention;
this.publicIOleWindow = accessibleImplemention;
this.publicIReflect = accessibleImplemention;
}
/// <summary>
/// Get an array of selected accessible objects
/// </summary>
public AccessibleObject[] GetSelectedAccessibleObjects()
{
DiagramClientView view = myClientView;
SelectedShapesCollection shapes = view.Selection;
int selectionCount = shapes.Count;
AccessibleObject[] retVal = new AccessibleObject[shapes.Count];
int i = 0;
foreach (DiagramItem item in shapes)
{
retVal[i] = item.GetAccessibleObject(view);
++i;
}
return retVal;
}
/// <summary>
/// Start a drag operation on an accessible object. The caller should make sure that the
/// accessible object is visible before making this call.
/// </summary>
/// <param name="accessibleObject">A child accessible object to drag</param>
/// <param name="location">The location in the accessible object to drag from</param>
/// <param name="xOffset">A horizontal offset (in pixels) from the specified drag location.</param>
/// <param name="yOffset">A vertical offset (in pixels) from the specified drag location.</param>
public void DragAccessibleObject(AccessibleObject accessibleObject, ClickLocation location, int xOffset, int yOffset)
{
Rectangle rect = accessibleObject.Bounds;
PointF pt;
switch (location)
{
case ClickLocation.UpperLeft:
pt = new PointF((float)rect.Left + xOffset, (float)rect.Top + yOffset);
break;
case ClickLocation.Center:
default:
pt = new PointF(((float)rect.Left + rect.Right) / 2 + xOffset, ((float)rect.Top + rect.Bottom) / 2 + yOffset);
break;
}
Rectangle screenBounds = Screen.GetBounds(myClientView);
MoveMouseClose(screenBounds, pt);
int dx = (int)(pt.X / screenBounds.Width * 65535f);
int dy = (int)(pt.Y / screenBounds.Height * 65535f);
Size dragSize = SystemInformation.DragSize;
float dxDrag = (dragSize.Width / screenBounds.Width * 65535f);
float dyDrag = (dragSize.Height / screenBounds.Height * 65535f);
SendKeys.Flush();
mouse_event(MouseEventFlags.Move | MouseEventFlags.Absolute, dx, dy, 0, 0);
SendKeys.Flush();
mouse_event(MouseEventFlags.LeftDown | MouseEventFlags.Absolute, dx, dy, 0, 0);
// Move .5 the drag size, the full drag size, and 1.5 the drag size to make sure we got it
mouse_event(MouseEventFlags.Move | MouseEventFlags.Absolute, dx + (int)(dxDrag * .5), dy + (int)(dyDrag * .5), 0, 0);
SendKeys.Flush();
mouse_event(MouseEventFlags.Move | MouseEventFlags.Absolute, dx + (int)dxDrag, dy + (int)dyDrag, 0, 0);
SendKeys.Flush();
mouse_event(MouseEventFlags.Move | MouseEventFlags.Absolute, dx + (int)(dxDrag * 1.5), dy + (int)(dyDrag * 1.5), 0, 0);
SendKeys.Flush();
}
/// <summary>
/// End a drag operation with a drop on an accessible object. The caller should make sure that the
/// accessible object is visible before making this call.
/// </summary>
/// <param name="accessibleObject">A child accessible object to drop on</param>
/// <param name="location">The location in the accessible object to drop on</param>
/// <param name="xOffset">A horizontal offset (in pixels) from the specified drop location.</param>
/// <param name="yOffset">A vertical offset (in pixels) from the specified drop location.</param>
public void DropOnAccessibleObject(AccessibleObject accessibleObject, ClickLocation location, int xOffset, int yOffset)
{
Rectangle rect = accessibleObject.Bounds;
PointF pt;
switch (location)
{
case ClickLocation.UpperLeft:
pt = new PointF((float)rect.Left + xOffset, (float)rect.Top + yOffset);
break;
case ClickLocation.Center:
default:
pt = new PointF(((float)rect.Left + rect.Right) / 2 + xOffset, ((float)rect.Top + rect.Bottom) / 2 + yOffset);
break;
}
Rectangle screenBounds = Screen.GetBounds(myClientView);
MoveMouseClose(screenBounds, pt);
int dx = (int)(pt.X / screenBounds.Width * 65535f);
int dy = (int)(pt.Y / screenBounds.Height * 65535f);
SendKeys.Flush();
mouse_event(MouseEventFlags.Move | MouseEventFlags.Absolute, dx, dy, 0, 0);
SendKeys.Flush();
mouse_event(MouseEventFlags.LeftUp | MouseEventFlags.Absolute, dx, dy, 0, 0);
SendKeys.Flush();
}
/// <summary>
/// Helper function for TranslateAccessibleObject and EnsureAccessibleObjectVisible
/// </summary>
private DiagramItem TranslateAccessibleObjectToDiagramItem(AccessibleObject accessibleObject, bool returnShape)
{
if (accessibleObject == null)
{
return null;
}
DiagramItem hitItem = null;
DiagramClientView clientView = myClientView;
DiagramHitTestInfo hitInfo = new DiagramHitTestInfo(clientView);
RectangleD boundsD = clientView.DeviceToWorld(clientView.RectangleToClient(accessibleObject.Bounds));
if (clientView.Diagram.DoHitTest(boundsD.Center, hitInfo, false))
{
hitItem = hitInfo.HitDiagramItem;
if (!returnShape)
{
// Wind back out the parent stack if the hit test went too far
if (hitItem.SubField != null)
{
if (!(accessibleObject is SubfieldAccessibleObject))
{
if (!(accessibleObject is FieldAccessibleObject))
{
hitItem = new DiagramItem(hitItem.Shape);
}
else
{
hitItem = new DiagramItem(hitItem.Shape, hitItem.Field);
}
}
}
else if (hitItem.Field != null && !(accessibleObject is FieldAccessibleObject))
{
hitItem = new DiagramItem(hitItem.Shape);
}
}
}
return hitItem;
}
/// <summary>
/// Click on an accessible object. The caller should make sure that the
/// accessible object is visible before making this call.
/// </summary>
/// <param name="accessibleObject">A child accessible object to click on</param>
public void ClickAccessibleObject(AccessibleObject accessibleObject)
{
ClickAccessibleObject(accessibleObject, 1, ClickLocation.Center, 0, 0);
}
/// <include file='doc\DomainUpDown.uex' path='docs/doc[@for="DomainUpDown.DomainItemAccessibleObject.DomainItemAccessibleObject"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public DomainItemAccessibleObject(string name, AccessibleObject parent) : base()
{
this.name = name;
this.parent = (DomainItemListAccessibleObject)parent;
}
internal Rectangle GetAccessibleObjectBounds(AccessibleObject parentAccObject)
{
if (this.owner == null)
{
throw new InvalidOperationException(SR.GetString(SR.DataGridViewCellAccessibleObject_OwnerNotSet));
}
if (this.owner.OwningColumn == null)
{
return Rectangle.Empty;
}
// use the accessibility bounds from the parent row acc obj
Rectangle rowRect = parentAccObject.Bounds;
Rectangle columnRect;
int firstVisibleColumnIndex = this.owner.DataGridView.Columns.ColumnIndexToActualDisplayIndex(this.owner.DataGridView.FirstDisplayedScrollingColumnIndex, DataGridViewElementStates.Visible);
int visibleColumnIndex = this.owner.DataGridView.Columns.ColumnIndexToActualDisplayIndex(this.owner.ColumnIndex, DataGridViewElementStates.Visible);
bool rowHeadersVisible = this.owner.DataGridView.RowHeadersVisible;
if (visibleColumnIndex < firstVisibleColumnIndex)
{
// Get the bounds for the cell to the RIGHT
columnRect = parentAccObject.GetChild(visibleColumnIndex
+ 1 // + 1 for the next cell to the RIGHT
+ (rowHeadersVisible ? 1 : 0)).Bounds; // + 1 but only if the row headers are visible
// From the bounds of the cell to the RIGHT decrement the width of the owning column
if (this.Owner.DataGridView.RightToLeft == RightToLeft.No)
{
columnRect.X -= this.owner.OwningColumn.Width;
}
else
{
columnRect.X = columnRect.Right;
}
columnRect.Width = this.owner.OwningColumn.Width;
}
else if (visibleColumnIndex == firstVisibleColumnIndex)
{
columnRect = this.owner.DataGridView.GetColumnDisplayRectangle(this.owner.ColumnIndex, false /*cutOverflow*/);
int negOffset = this.owner.DataGridView.FirstDisplayedScrollingColumnHiddenWidth;
if (negOffset != 0)
{
if (this.owner.DataGridView.RightToLeft == RightToLeft.No)
{
columnRect.X -= negOffset;
}
columnRect.Width += negOffset;
}
columnRect = this.owner.DataGridView.RectangleToScreen(columnRect);
}
else
{
// Get the bounds for the cell to the LEFT
columnRect = parentAccObject.GetChild(visibleColumnIndex
- 1 // -1 because we want the previous cell to the LEFT
+ (rowHeadersVisible ? 1 : 0)).Bounds; // +1 but only if the row headers are visible
// From the bounds of the cell to the LEFT increment the width of the owning column
if (this.owner.DataGridView.RightToLeft == RightToLeft.No)
{
columnRect.X = columnRect.Right;
}
else
{
columnRect.X -= this.owner.OwningColumn.Width;
}
columnRect.Width = this.owner.OwningColumn.Width;
}
rowRect.X = columnRect.X;
rowRect.Width = columnRect.Width;
return rowRect;
}
internal Rectangle GetAccessibleObjectBounds(AccessibleObject parentAccObject)
{
Rectangle columnDisplayRectangle;
if (this.owner == null)
{
throw new InvalidOperationException(System.Windows.Forms.SR.GetString("DataGridViewCellAccessibleObject_OwnerNotSet"));
}
if (this.owner.OwningColumn == null)
{
return Rectangle.Empty;
}
Rectangle bounds = parentAccObject.Bounds;
int num = this.owner.DataGridView.Columns.ColumnIndexToActualDisplayIndex(this.owner.DataGridView.FirstDisplayedScrollingColumnIndex, DataGridViewElementStates.Visible);
int num2 = this.owner.DataGridView.Columns.ColumnIndexToActualDisplayIndex(this.owner.ColumnIndex, DataGridViewElementStates.Visible);
bool rowHeadersVisible = this.owner.DataGridView.RowHeadersVisible;
if (num2 < num)
{
columnDisplayRectangle = parentAccObject.GetChild((num2 + 1) + (rowHeadersVisible ? 1 : 0)).Bounds;
if (this.Owner.DataGridView.RightToLeft == RightToLeft.No)
{
columnDisplayRectangle.X -= this.owner.OwningColumn.Width;
}
else
{
columnDisplayRectangle.X = columnDisplayRectangle.Right;
}
columnDisplayRectangle.Width = this.owner.OwningColumn.Width;
}
else if (num2 == num)
{
columnDisplayRectangle = this.owner.DataGridView.GetColumnDisplayRectangle(this.owner.ColumnIndex, false);
int firstDisplayedScrollingColumnHiddenWidth = this.owner.DataGridView.FirstDisplayedScrollingColumnHiddenWidth;
if (firstDisplayedScrollingColumnHiddenWidth != 0)
{
if (this.owner.DataGridView.RightToLeft == RightToLeft.No)
{
columnDisplayRectangle.X -= firstDisplayedScrollingColumnHiddenWidth;
}
columnDisplayRectangle.Width += firstDisplayedScrollingColumnHiddenWidth;
}
columnDisplayRectangle = this.owner.DataGridView.RectangleToScreen(columnDisplayRectangle);
}
else
{
columnDisplayRectangle = parentAccObject.GetChild((num2 - 1) + (rowHeadersVisible ? 1 : 0)).Bounds;
if (this.owner.DataGridView.RightToLeft == RightToLeft.No)
{
columnDisplayRectangle.X = columnDisplayRectangle.Right;
}
else
{
columnDisplayRectangle.X -= this.owner.OwningColumn.Width;
}
columnDisplayRectangle.Width = this.owner.OwningColumn.Width;
}
bounds.X = columnDisplayRectangle.X;
bounds.Width = columnDisplayRectangle.Width;
return bounds;
}
/// <summary>
/// Find the accessible object matching the given path
/// </summary>
/// <param name="parent">The starting accessible object</param>
/// <param name="nodePath">A list of AccessiblePathNode structures. Note that the
/// easiest way to populate this is with an array of path nodes</param>
/// <returns>Matching AccessibleObject, or null</returns>
public static AccessibleObject FindAccessibleObject(AccessibleObject parent, IList<AccessiblePathNode> nodePath)
{
int pathCount = nodePath.Count;
if (pathCount == 0)
{
return null;
}
AccessibleObject nextParent = parent;
for (int currentNodeIndex = 0; currentNodeIndex < pathCount && nextParent != null; ++currentNodeIndex)
{
parent = nextParent;
nextParent = null;
int childCount = parent.GetChildCount();
if (childCount != 0)
{
AccessiblePathNode currentNode = nodePath[currentNodeIndex];
int testIndex = currentNode.Index;
for (int i = 0; i < childCount; ++i)
{
AccessibleObject child = parent.GetChild(i);
if (child != null &&
child.Name == currentNode.Name &&
(currentNode.Value == null || currentNode.Value == child.Value))
{
if (testIndex > 0)
{
--testIndex;
}
else
{
nextParent = child;
break;
}
}
}
}
}
return nextParent;
}
internal AccessibleObject GetNext(AccessibleObject child) {
int children = GetChildCount();
bool hit = false;
for (int i=0; i<children; i++) {
if (hit) {
return GetChild(i);
}
if (GetChild(i) == child) {
hit = true;
}
}
return null;
}
internal AccessibleObject GetPrev(AccessibleObject child) {
int children = GetChildCount();
bool hit = false;
for (int i=children-1; i>=0; i--) {
if (hit) {
return GetChild(i);
}
if (GetChild(i) == child) {
hit = true;
}
}
return null;
}
public DomainItemAccessibleObject(string name, AccessibleObject parent)
{
throw null;
}
public string GetCalendarChildName(int calendarIndex, CalendarChildType calendarChildType, AccessibleObject parentAccessibleObject = null, int index = -1)
{
switch (calendarChildType)
{
case CalendarChildType.CalendarHeader:
GetCalendarGridInfoText(ComCtl32.MCGIP.CALENDARHEADER, calendarIndex, 0, 0, out string text);
return(text);
case CalendarChildType.TodayLink:
return(string.Format(SR.MonthCalendarTodayButtonAccessibleName, _owner.TodayDate.ToShortDateString()));
}
;
return(string.Empty);
}
public DomainItemAccessibleObject(string name, AccessibleObject parent)
{
this.name = name;
this.parent = parent;
}
public EnumVariantObject(AccessibleObject owner, uint currentChild)
{
Debug.Assert(owner != null, "Cannot create EnumVariantObject with a null owner");
this.owner = owner;
this.currentChild = currentChild;
}
/// <summary>
/// Dump a hierarchical accessibility report to the debug output window
/// </summary>
/// <param name="parent">The top element to report on</param>
public static void DumpAccessibilityReport(AccessibleObject parent)
{
DumpAccessibilityReport(parent, "");
}
public CalendarChildAccessibleObject GetCalendarChildAccessibleObject(int calendarIndex, CalendarChildType calendarChildType, AccessibleObject parentAccessibleObject = null, int index = -1) =>
calendarChildType switch
{
private static void DumpAccessibilityReport(AccessibleObject parent, string indent)
{
Debug.WriteLine(string.Format("{0}Name: {1}, Value: {2}, Role: {3}, Description: {4}", indent, parent.Name, parent.Value, parent.Role.ToString(), parent.Description));
int childCount = parent.GetChildCount();
if (childCount != 0)
{
string childIndent = indent + "\t";
for (int i = 0; i < childCount; ++i)
{
DumpAccessibilityReport(parent.GetChild(i), childIndent);
}
}
}
protected override AccessibleObject CreateAccessibilityInstance() {
AccessibleObject acc;
acc = new AccessibleObject(this);
acc.role = AccessibleRole.SpinButton;
return acc;
}
void TypeShortcut(AccessibleObject item)
{
Sleep(1000);
AccessibleObject parent = item.Parent;
if (parent.Role == AccessibleRole.MenuItem)
{
TypeShortcut(parent);
}
string shortcut = item.KeyboardShortcut;
if (!string.IsNullOrEmpty(shortcut))
{
SendShortcut(shortcut);
}
else {
throw new NotImplementedException("InvokeAsyncMenuItem can't work without menu item shortcuts");
}
if (item.Role == AccessibleRole.MenuItem)
{
// this isn't working for some reason.
// WaitForPopupMenu();
Sleep(200);
}
}
internal override void SetParent(AccessibleObject parent)
{
_parentAccessibleObject = parent;
}
internal override void SetDetachableChild(AccessibleObject child)
{
_child = child;
}
/// <summary>
/// Turn an accessibleObject into an element in the underlying model.
/// </summary>
/// <param name="accessibleObject">The accessible object</param>
/// <param name="returnShape">True to return the shape object corresponding to the
/// accessible object instead of the underlying model element. Note that you may get
/// a shape for a parent object if the requested accessible object is drawn as part
/// of another object and does not have its own shape (roles, internal uniqueness constraints, etc)</param>
/// <returns>ModelElement, or null</returns>
public ModelElement TranslateAccessibleObject(AccessibleObject accessibleObject, bool returnShape)
{
DiagramItem hitItem = TranslateAccessibleObjectToDiagramItem(accessibleObject, returnShape);
if (hitItem == null)
{
return null;
}
else if (returnShape)
{
return hitItem.Shape;
}
else
{
ModelElement retVal = null;
foreach (object element in hitItem.RepresentedElements)
{
retVal = element as ModelElement;
break;
}
PresentationElement pel = retVal as PresentationElement;
if (pel != null)
{
// Resolve to a ModelElement if we don't have one already
retVal = pel.ModelElement;
}
return retVal;
}
}
internal InternalAccessibleObject(AccessibleObject accessibleImplemention) {
// Get all the casts done here to catch any issues early
publicIAccessible = (IAccessible) accessibleImplemention;
publicIEnumVariant = (UnsafeNativeMethods.IEnumVariant) accessibleImplemention;
publicIOleWindow = (UnsafeNativeMethods.IOleWindow) accessibleImplemention;
publicIReflect = (IReflect) accessibleImplemention;
// Note: Deliberately not holding onto AccessibleObject to enforce all access through the interfaces
}
/// <summary>
/// Click on an accessible object. The caller should make sure that the
/// accessible object is visible before making this call.
/// </summary>
/// <param name="accessibleObject">A child accessible object to click on</param>
/// <param name="clicks">The number of clicks (1 for single click, 2 for double)</param>
public void ClickAccessibleObject(AccessibleObject accessibleObject, int clicks)
{
ClickAccessibleObject(accessibleObject, clicks, ClickLocation.Center, 0, 0);
}
public EnumVariantObject(AccessibleObject owner)
{
this.owner = owner;
}
/// <summary>
/// End a drag operation with a drop on an accessible object. The caller should make sure that the
/// accessible object is visible before making this call.
/// </summary>
/// <param name="accessibleObject">A child accessible object to drop on</param>
public void DropOnAccessibleObject(AccessibleObject accessibleObject)
{
DropOnAccessibleObject(accessibleObject, ClickLocation.Center, 0, 0);
}
public EnumVariantObject(AccessibleObject owner, int currentChild)
{
this.owner = owner;
this.currentChild = currentChild;
}
/// <summary>
/// Make sure an accessible object is visible. Returns a new AccessibleObject with
/// different bounds. Using this method with an "ORMDiagram" accessible object is not
/// recommended (it will zoom out the diagram until the full diagram fits in the window).
/// Use the EnsurePointVisible method instead to show a specific point on the diagram.
/// </summary>
/// <param name="accessibleObject">Accessible object to bring into view</param>
/// <returns>Updated accessible object</returns>
public AccessibleObject EnsureAccessibleObjectVisible(AccessibleObject accessibleObject)
{
AccessibleObject retVal = accessibleObject;
DiagramItem hitItem = TranslateAccessibleObjectToDiagramItem(accessibleObject, false);
if (hitItem != null)
{
myClientView.EnsureVisible(hitItem.AbsoluteBoundingBox);
retVal = hitItem.GetAccessibleObject(myClientView);
SendKeys.Flush();
}
return retVal;
}
private IAccessible AsIAccessible(AccessibleObject obj)
{
if ((obj != null) && obj.systemWrapper)
{
return obj.systemIAccessible;
}
return obj;
}
public EnumVariantObject(AccessibleObject owner)
{
Debug.Assert(owner != null, "Cannot create EnumVariantObject with a null owner");
this.owner = owner;
}
private object AsVariant(AccessibleObject obj)
{
if (obj == this)
{
return 0;
}
return this.AsIAccessible(obj);
}
/// <summary>
/// Perform custom navigation between parent/child/sibling accessible objects,
/// using tab index order as the guide, rather than letting the system default
/// behavior do navigation based on z-order.
///
/// For a container control and its child controls, the accessible object tree
/// looks like this...
///
/// [client area of container]
/// [non-client area of child #1]
/// [random non-client elements]
/// [client area of child #1]
/// [random non-client elements]
/// [non-client area of child #2]
/// [random non-client elements]
/// [client area of child #2]
/// [random non-client elements]
/// [non-client area of child #3]
/// [random non-client elements]
/// [client area of child #3]
/// [random non-client elements]
///
/// We need to intercept first-child / last-child navigation from the container's
/// client object, and next-sibling / previous-sibling navigation from each child's
/// non-client object. All other navigation operations must be allowed to fall back
/// on the system's deafult behavior (provided by OLEACC.DLL).
///
/// When combined with the re-ordering behavior of GetSysChildOrder() above, this
/// allows us to present the end user with the illusion of accessible objects in
/// tab index order, even though the system behavior only supports z-order.
/// </summary>
internal override bool GetSysChild(AccessibleNavigation navdir, out AccessibleObject accessibleObject)
{
// Clear the out parameter
accessibleObject = null;
// Get the owning control's parent, if it has one
Control parentControl = Owner.ParentInternal;
// ctrls[index] will indicate the control at the destination of this navigation operation
int index = -1;
Control[] ctrls = null;
// Now handle any 'appropriate' navigation requests...
switch (navdir)
{
case AccessibleNavigation.FirstChild:
if (IsClientObject)
{
ctrls = Owner.GetChildControlsInTabOrder(true);
index = 0;
}
break;
case AccessibleNavigation.LastChild:
if (IsClientObject)
{
ctrls = Owner.GetChildControlsInTabOrder(true);
index = ctrls.Length - 1;
}
break;
case AccessibleNavigation.Previous:
if (IsNonClientObject && parentControl != null)
{
ctrls = parentControl.GetChildControlsInTabOrder(true);
index = Array.IndexOf(ctrls, Owner);
if (index != -1)
{
--index;
}
}
break;
case AccessibleNavigation.Next:
if (IsNonClientObject && parentControl != null)
{
ctrls = parentControl.GetChildControlsInTabOrder(true);
index = Array.IndexOf(ctrls, Owner);
if (index != -1)
{
++index;
}
}
break;
}
// Unsupported navigation operation for this object, or unexpected error.
// Return false to force fall back on default system navigation behavior.
if (ctrls == null || ctrls.Length == 0)
{
return(false);
}
// If ctrls[index] is a valid control, return its non-client accessible object.
// If index is invalid, return null pointer meaning "end of list reached".
if (index >= 0 && index < ctrls.Length)
{
accessibleObject = ctrls[index].NcAccessibilityObject;
}
// Return true to use the found accessible object and block default system behavior
return(true);
}
public EnumVariantObject(AccessibleObject owner, int currentChild) {
Debug.Assert(owner != null, "Cannot create EnumVariantObject with a null owner");
this.owner = owner;
this.currentChild = currentChild;
}
private void WmGetObject(ref Message m)
{
if (m.LParam == (IntPtr)NativeMethods.UiaRootObjectId)
{
AccessibleObject uiaProvider = GetChildAccessibleObject(_childWindowType);
// If the requested object identifier is UiaRootObjectId,
// we should return an UI Automation provider using the UiaReturnRawElementProvider function.
InternalAccessibleObject internalAccessibleObject = new InternalAccessibleObject(uiaProvider);
m.Result = UiaCore.UiaReturnRawElementProvider(
new HandleRef(this, Handle),
m.WParam,
m.LParam,
internalAccessibleObject);
return;
}
// See "How to Handle WM_GETOBJECT" in MSDN
//
if (unchecked ((int)(long)m.LParam) == OBJID.CLIENT)
{
// Get the IAccessible GUID
//
Guid IID_IAccessible = new Guid(NativeMethods.uuid_IAccessible);
// Get an Lresult for the accessibility Object for this control
//
IntPtr punkAcc;
try
{
AccessibleObject wfAccessibleObject = null;
UiaCore.IAccessibleInternal iacc = null;
if (_accessibilityObject is null)
{
wfAccessibleObject = GetChildAccessibleObject(_childWindowType);
_accessibilityObject = new InternalAccessibleObject(wfAccessibleObject);
}
iacc = (UiaCore.IAccessibleInternal)_accessibilityObject;
// Obtain the Lresult
//
punkAcc = Marshal.GetIUnknownForObject(iacc);
try
{
m.Result = Oleacc.LresultFromObject(ref IID_IAccessible, m.WParam, new HandleRef(this, punkAcc));
}
finally
{
Marshal.Release(punkAcc);
}
}
catch (Exception e)
{
throw new InvalidOperationException(SR.RichControlLresult, e);
}
}
else
{ // m.lparam != OBJID_CLIENT, so do default message processing
DefWndProc(ref m);
}
}
private void WmGetObject(ref Message m)
{
if (m.LParam == (IntPtr)NativeMethods.UiaRootObjectId &&
// Managed UIAutomation providers are supplied for child list windows but not for the child edit window.
// Child list accessibility object provides all necessary patterns and UIAutomation notifications,
// so there is no need to native provider supplement.
// Child edit accessibility object has only partial support of edit box accessibility, most of the patterns
// and notifications for child edit window are supplied by native providers, so here is no need to
// override root UIA object for child edit window.
(_childWindowType == ChildWindowType.ListBox || _childWindowType == ChildWindowType.DropDownList))
{
AccessibleObject uiaProvider = GetChildAccessibleObject(_childWindowType);
// If the requested object identifier is UiaRootObjectId,
// we should return an UI Automation provider using the UiaReturnRawElementProvider function.
InternalAccessibleObject internalAccessibleObject = new InternalAccessibleObject(uiaProvider);
m.Result = UiaCore.UiaReturnRawElementProvider(
new HandleRef(this, Handle),
m.WParam,
m.LParam,
internalAccessibleObject);
return;
}
// See "How to Handle WM_GETOBJECT" in MSDN
//
if (unchecked ((int)(long)m.LParam) == OBJID.CLIENT)
{
// Get the IAccessible GUID
//
Guid IID_IAccessible = new Guid(NativeMethods.uuid_IAccessible);
// Get an Lresult for the accessibility Object for this control
//
IntPtr punkAcc;
try
{
AccessibleObject wfAccessibleObject = null;
UiaCore.IAccessibleInternal iacc = null;
if (_accessibilityObject is null)
{
wfAccessibleObject = GetChildAccessibleObject(_childWindowType);
_accessibilityObject = new InternalAccessibleObject(wfAccessibleObject);
}
iacc = (UiaCore.IAccessibleInternal)_accessibilityObject;
// Obtain the Lresult
//
punkAcc = Marshal.GetIUnknownForObject(iacc);
try
{
m.Result = Oleacc.LresultFromObject(ref IID_IAccessible, m.WParam, new HandleRef(this, punkAcc));
}
finally
{
Marshal.Release(punkAcc);
}
}
catch (Exception e)
{
throw new InvalidOperationException(SR.RichControlLresult, e);
}
}
else
{ // m.lparam != OBJID_CLIENT, so do default message processing
DefWndProc(ref m);
}
}
/// <include file='doc\DomainUpDown.uex' path='docs/doc[@for="DomainUpDown.DomainItemAccessibleObject.DomainItemAccessibleObject"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public DomainItemAccessibleObject(string name, AccessibleObject parent) : base() {
this.name = name;
this.parent = (DomainItemListAccessibleObject)parent;
}
public CalendarCellAccessibleObject(MonthCalendarAccessibleObject calendarAccessibleObject, int calendarIndex, AccessibleObject parentAccessibleObject, int rowIndex, int columnIndex, string name)
: base(calendarAccessibleObject, calendarIndex, CalendarChildType.CalendarCell, parentAccessibleObject, rowIndex * columnIndex)
{
_rowIndex = rowIndex;
_columnIndex = columnIndex;
_name = name;
}
public DomainItemAccessibleObject(string name, AccessibleObject parent) {
this.name = name;
this.parent = parent;
}
public AutoHideStripAccessibleObject(AutoHideStrip strip, DockState state, AccessibleObject parent)
{
_strip = strip;
_state = state;
Parent = parent;
}
