internal override UnsafeNativeMethods.IRawElementProviderFragment FragmentNavigate(UnsafeNativeMethods.NavigateDirection direction)
{
DataGridView dataGridView = Owner.DataGridView;
switch (direction)
{
case UnsafeNativeMethods.NavigateDirection.Parent:
return(dataGridView.AccessibilityObject.GetChild(0));
case UnsafeNativeMethods.NavigateDirection.PreviousSibling:
return(null);
case UnsafeNativeMethods.NavigateDirection.NextSibling:
if (dataGridView.Columns.GetColumnCount(DataGridViewElementStates.Visible) == 0)
{
return(null);
}
return(NavigateForward());
default:
return(null);
}
}
internal override UnsafeNativeMethods.IRawElementProviderFragment FragmentNavigate(UnsafeNativeMethods.NavigateDirection direction)
{
if (direction == UnsafeNativeMethods.NavigateDirection.FirstChild ||
direction == UnsafeNativeMethods.NavigateDirection.LastChild)
{
return(this.ownerItem.ProgressBar.AccessibilityObject);
}
// Handle Parent and other directions in base ToolStripItem.FragmentNavigate() method.
return(base.FragmentNavigate(direction));
}
internal override UnsafeNativeMethods.IRawElementProviderFragment FragmentNavigate(UnsafeNativeMethods.NavigateDirection direction)
{
switch (direction)
{
case UnsafeNativeMethods.NavigateDirection.Parent:
case UnsafeNativeMethods.NavigateDirection.PreviousSibling:
case UnsafeNativeMethods.NavigateDirection.NextSibling:
var toolStripProgressBarControl = Owner as ToolStripProgressBarControl;
if (toolStripProgressBarControl != null)
{
return(toolStripProgressBarControl.Owner.AccessibilityObject.FragmentNavigate(direction));
}
break;
}
return(base.FragmentNavigate(direction));
}
/// <summary>
/// Request to return the element in the specified direction.
/// </summary>
/// <param name="direction">Indicates the direction in which to navigate.</param>
/// <returns>Returns the element in the specified direction.</returns>
internal override UnsafeNativeMethods.IRawElementProviderFragment FragmentNavigate(UnsafeNativeMethods.NavigateDirection direction)
{
if (direction == UnsafeNativeMethods.NavigateDirection.Parent &&
_owningPropertyGrid.SelectedGridEntry != null &&
_owningDropDownButton.Visible)
{
return(_owningPropertyGrid.SelectedGridEntry?.AccessibilityObject);
}
else if (direction == UnsafeNativeMethods.NavigateDirection.PreviousSibling)
{
return(_owningPropertyGrid.EditAccessibleObject);
}
return(base.FragmentNavigate(direction));
}
/// <summary>
/// Returns the element in the specified direction.
/// </summary>
/// <param name="direction">Indicates the direction in which to navigate.</param>
/// <returns>Returns the element in the specified direction.</returns>
internal override UnsafeNativeMethods.IRawElementProviderFragment FragmentNavigate(UnsafeNativeMethods.NavigateDirection direction)
{
PropertyGridView.PropertyGridViewAccessibleObject parent = (PropertyGridView.PropertyGridViewAccessibleObject)Parent;
switch (direction)
{
case UnsafeNativeMethods.NavigateDirection.Parent:
return(Parent);
case UnsafeNativeMethods.NavigateDirection.NextSibling:
return(parent.GetNextCategory(_owningCategoryGridEntry));
case UnsafeNativeMethods.NavigateDirection.PreviousSibling:
return(parent.GetPreviousCategory(_owningCategoryGridEntry));
case UnsafeNativeMethods.NavigateDirection.FirstChild:
return(parent.GetFirstChildProperty(_owningCategoryGridEntry));
case UnsafeNativeMethods.NavigateDirection.LastChild:
return(parent.GetLastChildProperty(_owningCategoryGridEntry));
}
return(base.FragmentNavigate(direction));
}
object UnsafeNativeMethods.IRawElementProviderFragment.Navigate(UnsafeNativeMethods.NavigateDirection direction)
{
IntSecurity.UnmanagedCode.Assert();
return(AsNativeAccessible(publicIRawElementProviderFragment.Navigate(direction)));
}
internal override UnsafeNativeMethods.IRawElementProviderFragment FragmentNavigate(UnsafeNativeMethods.NavigateDirection direction)
{
switch (direction)
{
case UnsafeNativeMethods.NavigateDirection.Parent:
var owner = Owner as IDataGridViewEditingControl;
if (owner != null && owner.EditingControlDataGridView.EditingControl == owner)
{
return(_parentAccessibleObject);
}
return(null);
}
return(base.FragmentNavigate(direction));
}
internal override UnsafeNativeMethods.IRawElementProviderFragment FragmentNavigate(UnsafeNativeMethods.NavigateDirection direction)
{
switch (direction)
{
case UnsafeNativeMethods.NavigateDirection.Parent:
return(Parent);
case UnsafeNativeMethods.NavigateDirection.NextSibling:
if (Parent.GetChildCount() > 1)
{
return(Parent.GetChild(1));
}
break;
case UnsafeNativeMethods.NavigateDirection.FirstChild:
if (GetChildCount() > 0)
{
return(GetChild(0));
}
break;
case UnsafeNativeMethods.NavigateDirection.LastChild:
if (GetChildCount() > 0)
{
return(GetChild(GetChildCount() - 1));
}
break;
}
return(null);
}
internal override UnsafeNativeMethods.IRawElementProviderFragment FragmentNavigate(UnsafeNativeMethods.NavigateDirection direction)
{
return(_accessibleObject.FragmentNavigate(direction));
}
/// <summary>
/// Returns the element in the specified direction.
/// </summary>
/// <param name="direction">Indicates the direction in which to navigate.</param>
/// <returns>Returns the element in the specified direction.</returns>
internal override UnsafeNativeMethods.IRawElementProviderFragment FragmentNavigate(UnsafeNativeMethods.NavigateDirection direction)
{
switch (direction)
{
case UnsafeNativeMethods.NavigateDirection.NextSibling:
var propertyGridViewAccessibleObject = (PropertyGridView.PropertyGridViewAccessibleObject)Parent;
var propertyGridView = propertyGridViewAccessibleObject.Owner as PropertyGridView;
bool currentGridEntryFound = false;
return(propertyGridViewAccessibleObject.GetNextGridEntry(_owningPropertyDescriptorGridEntry, propertyGridView.TopLevelGridEntries, out currentGridEntryFound));
case UnsafeNativeMethods.NavigateDirection.PreviousSibling:
propertyGridViewAccessibleObject = (PropertyGridView.PropertyGridViewAccessibleObject)Parent;
propertyGridView = propertyGridViewAccessibleObject.Owner as PropertyGridView;
currentGridEntryFound = false;
return(propertyGridViewAccessibleObject.GetPreviousGridEntry(_owningPropertyDescriptorGridEntry, propertyGridView.TopLevelGridEntries, out currentGridEntryFound));
case UnsafeNativeMethods.NavigateDirection.FirstChild:
return(GetFirstChild());
case UnsafeNativeMethods.NavigateDirection.LastChild:
return(GetLastChild());
}
return(base.FragmentNavigate(direction));
}
internal override UnsafeNativeMethods.IRawElementProviderFragment FragmentNavigate(UnsafeNativeMethods.NavigateDirection direction)
{
int firstItemIndex = 0;
int lastItemIndex = _owningListBox.Items.Count - 1;
int currentIndex = CurrentIndex;
switch (direction)
{
case UnsafeNativeMethods.NavigateDirection.Parent:
return(_owningListBox.AccessibilityObject);
case UnsafeNativeMethods.NavigateDirection.PreviousSibling:
if (currentIndex > firstItemIndex && currentIndex <= lastItemIndex)
{
return(_owningAccessibleObject.GetChild(currentIndex - 1));
}
return(null);
case UnsafeNativeMethods.NavigateDirection.NextSibling:
if (currentIndex >= firstItemIndex && currentIndex < lastItemIndex)
{
return(_owningAccessibleObject.GetChild(currentIndex + 1));
}
return(null);
}
return(base.FragmentNavigate(direction));
}
/// <summary>
/// Request to return the element in the specified direction.
/// </summary>
/// <param name="direction">Indicates the direction in which to navigate.</param>
/// <returns>Returns the element in the specified direction.</returns>
internal override UnsafeNativeMethods.IRawElementProviderFragment FragmentNavigate(UnsafeNativeMethods.NavigateDirection direction)
{
if (_parentPropertyGrid.AccessibilityObject is PropertyGridAccessibleObject propertyGridAccessibleObject)
{
UnsafeNativeMethods.IRawElementProviderFragment navigationTarget = propertyGridAccessibleObject.ChildFragmentNavigate(this, direction);
if (navigationTarget != null)
{
return(navigationTarget);
}
}
return(base.FragmentNavigate(direction));
}
internal override UnsafeNativeMethods.IRawElementProviderFragment FragmentNavigate(UnsafeNativeMethods.NavigateDirection direction)
{
if (owner == null || owner.DropDown == null)
{
return(null);
}
switch (direction)
{
case UnsafeNativeMethods.NavigateDirection.FirstChild:
int childCount = GetChildCount();
if (childCount > 0)
{
return(GetChildFragment(0));
}
return(null);
case UnsafeNativeMethods.NavigateDirection.LastChild:
childCount = GetChildCount();
if (childCount > 0)
{
return(GetChildFragment(childCount - 1));
}
return(null);
case UnsafeNativeMethods.NavigateDirection.NextSibling:
case UnsafeNativeMethods.NavigateDirection.PreviousSibling:
ToolStripDropDown dropDown = owner.Owner as ToolStripDropDown;
if (dropDown == null)
{
break;
}
int index = dropDown.Items.IndexOf(owner);
if (index == -1)
{
Debug.Fail("No item matched the index?");
return(null);
}
index += direction == UnsafeNativeMethods.NavigateDirection.NextSibling ? 1 : -1;
if (index >= 0 && index < dropDown.Items.Count)
{
var item = dropDown.Items[index];
var controlHostItem = item as ToolStripControlHost;
if (controlHostItem != null)
{
return(controlHostItem.ControlAccessibilityObject);
}
return(item.AccessibilityObject);
}
return(null);
}
return(base.FragmentNavigate(direction));
}
internal override UnsafeNativeMethods.IRawElementProviderFragment FragmentNavigate(UnsafeNativeMethods.NavigateDirection direction)
{
if (owner == null || owner.DropDown == null)
{
return(null);
}
switch (direction)
{
case UnsafeNativeMethods.NavigateDirection.FirstChild:
return(owner.DropDown.Items.Count > 0 ? owner.DropDown.Items[0].AccessibilityObject : null);
case UnsafeNativeMethods.NavigateDirection.LastChild:
return(owner.DropDown.Items.Count > 0 ? owner.DropDown.Items[owner.DropDown.Items.Count - 1].AccessibilityObject : null);
case UnsafeNativeMethods.NavigateDirection.NextSibling:
case UnsafeNativeMethods.NavigateDirection.PreviousSibling:
ToolStripDropDown dropDown = owner.Owner as ToolStripDropDown;
if (dropDown == null)
{
break;
}
int index = dropDown.Items.IndexOf(owner);
if (index == -1)
{
Debug.Fail("No item matched the index?");
return(null);
}
index += direction == UnsafeNativeMethods.NavigateDirection.NextSibling ? 1 : -1;
return(index >= 0 && index < dropDown.Items.Count ? dropDown.Items[index].AccessibilityObject : null);
}
return(base.FragmentNavigate(direction));
}
internal override UnsafeNativeMethods.IRawElementProviderFragment FragmentNavigate(UnsafeNativeMethods.NavigateDirection direction)
{
switch (direction)
{
case UnsafeNativeMethods.NavigateDirection.FirstChild:
int childCount = GetChildCount();
if (childCount > 0)
{
return(GetChild(0));
}
break;
case UnsafeNativeMethods.NavigateDirection.LastChild:
childCount = GetChildCount();
if (childCount > 0)
{
int lastChildIndex = childCount - 1;
return(GetChild(lastChildIndex));
}
break;
}
return(null);
}
internal override UnsafeNativeMethods.IRawElementProviderFragment FragmentNavigate(UnsafeNativeMethods.NavigateDirection direction)
{
switch (direction)
{
case UnsafeNativeMethods.NavigateDirection.FirstChild:
return(DropDownItemsCount > 0 ? ownerItem.DropDown.Items[0].AccessibilityObject : null);
case UnsafeNativeMethods.NavigateDirection.LastChild:
return(DropDownItemsCount > 0 ? ownerItem.DropDown.Items[ownerItem.DropDown.Items.Count - 1].AccessibilityObject : null);
}
return(base.FragmentNavigate(direction));
}
internal override UnsafeNativeMethods.IRawElementProviderFragment FragmentNavigate(UnsafeNativeMethods.NavigateDirection direction)
{
switch (direction)
{
case UnsafeNativeMethods.NavigateDirection.Parent:
var currentCell = dataGridView.CurrentCell;
if (currentCell != null && dataGridView.IsCurrentCellInEditMode)
{
return(currentCell.AccessibilityObject);
}
break;
case UnsafeNativeMethods.NavigateDirection.FirstChild:
case UnsafeNativeMethods.NavigateDirection.LastChild:
return(dataGridView.EditingControlAccessibleObject);
}
return(null);
}
internal override UnsafeNativeMethods.IRawElementProviderFragment FragmentNavigate(UnsafeNativeMethods.NavigateDirection direction)
{
StatusStrip statusStrip = Owner as StatusStrip;
if (statusStrip == null || statusStrip.Items.Count == 0)
{
return(null);
}
switch (direction)
{
case UnsafeNativeMethods.NavigateDirection.FirstChild:
AccessibleObject firstChild = null;
for (int i = 0; i < GetChildCount(); i++)
{
firstChild = GetChild(i);
if (firstChild != null && !(firstChild is ControlAccessibleObject))
{
return(firstChild);
}
}
return(null);
case UnsafeNativeMethods.NavigateDirection.LastChild:
AccessibleObject lastChild = null;
for (int i = GetChildCount() - 1; i >= 0; i--)
{
lastChild = GetChild(i);
if (lastChild != null && !(lastChild is ControlAccessibleObject))
{
return(lastChild);
}
}
return(null);
}
return(base.FragmentNavigate(direction));
}
