/// <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 UiaCore.IRawElementProviderFragment?FragmentNavigate(UiaCore.NavigateDirection direction)
{
int childCount = _owningListBox.Items.Count;
if (childCount == 0)
{
return(base.FragmentNavigate(direction));
}
return(direction switch
{
UiaCore.NavigateDirection.FirstChild => GetChild(0),
UiaCore.NavigateDirection.LastChild => GetChild(childCount - 1),
_ => 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 UiaCore.IRawElementProviderFragment?FragmentNavigate(UiaCore.NavigateDirection direction)
{
if (!_owningDropDownButton.Visible ||
_owningPropertyGrid?.SelectedGridEntry?.AccessibilityObject is not PropertyDescriptorGridEntryAccessibleObject parent)
{
return(null);
}
return(direction switch
{
UiaCore.NavigateDirection.Parent => parent,
UiaCore.NavigateDirection.NextSibling => parent.GetNextChild(this),
UiaCore.NavigateDirection.PreviousSibling => parent.GetPreviousChild(this),
_ => base.FragmentNavigate(direction),
});
internal override UiaCore.IRawElementProviderFragment FragmentNavigate(UiaCore.NavigateDirection direction)
{
if (direction == UiaCore.NavigateDirection.Parent &&
_owningPropertyGrid.SelectedGridEntry != null &&
_owningDropDownButton.Visible)
{
return(_owningPropertyGrid.SelectedGridEntry?.AccessibilityObject);
}
else if (direction == UiaCore.NavigateDirection.PreviousSibling)
{
return(_owningPropertyGrid.EditAccessibleObject);
}
return(base.FragmentNavigate(direction));
}
internal override UiaCore.IRawElementProviderFragment FragmentNavigate(UiaCore.NavigateDirection direction)
{
switch (direction)
{
case UiaCore.NavigateDirection.FirstChild:
return(GetCalendarChildAccessibleObject(_calendarIndex, CalendarChildType.PreviousButton));
case UiaCore.NavigateDirection.LastChild:
return(_owner.ShowTodayCircle
? GetCalendarChildAccessibleObject(_calendarIndex, CalendarChildType.TodayLink)
: GetCalendarChildAccessibleObject(_calendarIndex, CalendarChildType.CalendarBody));
}
return(base.FragmentNavigate(direction));
}
internal override UiaCore.IRawElementProviderFragment FragmentNavigate(UiaCore.NavigateDirection direction)
{
switch (direction)
{
case UiaCore.NavigateDirection.Parent:
if (Owner is IDataGridViewEditingControl owner && owner.EditingControlDataGridView.EditingControl == owner)
{
return(_parentAccessibleObject);
}
return(null);
}
return(base.FragmentNavigate(direction));
}
internal override UiaCore.IRawElementProviderFragment?FragmentNavigate(UiaCore.NavigateDirection direction)
{
if (_toolStripHostedControl is not null &&
_toolStripControlHost is not null)
{
switch (direction)
{
case UiaCore.NavigateDirection.Parent:
case UiaCore.NavigateDirection.PreviousSibling:
case UiaCore.NavigateDirection.NextSibling:
return(_toolStripControlHost.AccessibilityObject.FragmentNavigate(direction));
}
}
return(base.FragmentNavigate(direction));
}
internal override UiaCore.IRawElementProviderFragment?FragmentNavigate(UiaCore.NavigateDirection direction)
{
switch (direction)
{
case UiaCore.NavigateDirection.FirstChild:
case UiaCore.NavigateDirection.LastChild:
// Don't show the inner menu while it is invisible.
// Otherwise it will affect accessibility tree,
// especially for items-controls that have not been created yet.
return(_owningToolStripOverflowButton.DropDown.Visible
? _owningToolStripOverflowButton.DropDown.AccessibilityObject
: null);
}
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 UiaCore.IRawElementProviderFragment?FragmentNavigate(UiaCore.NavigateDirection direction)
{
if (Parent is not PropertyGridView.PropertyGridViewAccessibleObject parent)
{
return(null);
}
return(direction switch
{
UiaCore.NavigateDirection.Parent => Parent,
UiaCore.NavigateDirection.NextSibling => parent.GetNextCategory(_owningCategoryGridEntry),
UiaCore.NavigateDirection.PreviousSibling => parent.GetPreviousCategory(_owningCategoryGridEntry),
UiaCore.NavigateDirection.FirstChild => parent.GetFirstChildProperty(_owningCategoryGridEntry),
UiaCore.NavigateDirection.LastChild => parent.GetLastChildProperty(_owningCategoryGridEntry),
_ => base.FragmentNavigate(direction),
});
// If the control is used as an item of a ToolStrip via ToolStripControlHost,
// its accessible object should provide info about the owning ToolStrip and items-siblings
// to build a correct ToolStrip accessibility tree.
internal override UiaCore.IRawElementProviderFragment?FragmentNavigate(UiaCore.NavigateDirection direction)
{
if (Owner.ToolStripControlHost is not ToolStripControlHost host)
{
return(base.FragmentNavigate(direction));
}
if (direction == UiaCore.NavigateDirection.Parent ||
direction == UiaCore.NavigateDirection.PreviousSibling ||
direction == UiaCore.NavigateDirection.NextSibling)
{
return(host.AccessibilityObject.FragmentNavigate(direction));
}
return(base.FragmentNavigate(direction));
}
internal override UiaCore.IRawElementProviderFragment?FragmentNavigate(UiaCore.NavigateDirection direction)
{
ListViewGroupAccessibleObject?owningGroupAccessibleObject = (ListViewGroupAccessibleObject?)_owningGroup?.AccessibilityObject;
switch (direction)
{
case UiaCore.NavigateDirection.Parent:
return(owningGroupAccessibleObject ?? _owningListView.AccessibilityObject);
case UiaCore.NavigateDirection.NextSibling:
if (owningGroupAccessibleObject is null)
{
ListViewAccessibleObject listViewAccessibilityObject = (ListViewAccessibleObject)_owningListView.AccessibilityObject;
return(listViewAccessibilityObject.GetNextChild(this));
}
return(owningGroupAccessibleObject.GetNextChild(this));
case UiaCore.NavigateDirection.PreviousSibling:
if (owningGroupAccessibleObject is null)
{
ListViewAccessibleObject listViewAccessibilityObject = (ListViewAccessibleObject)_owningListView.AccessibilityObject;
return(listViewAccessibilityObject.GetPreviousChild(this));
}
return(owningGroupAccessibleObject.GetPreviousChild(this));
case UiaCore.NavigateDirection.FirstChild:
if (_owningItem.SubItems.Count > 0)
{
return(GetChild(0));
}
break;
case UiaCore.NavigateDirection.LastChild:
int subItemsCount = _owningItem.SubItems.Count;
if (subItemsCount > 0)
{
return(GetChild(subItemsCount - 1));
}
break;
}
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 UiaCore.IRawElementProviderFragment?FragmentNavigate(UiaCore.NavigateDirection direction)
{
if (direction == UiaCore.NavigateDirection.FirstChild)
{
return(GetChildFragment(0));
}
else if (direction == UiaCore.NavigateDirection.LastChild)
{
var childFragmentCount = GetChildFragmentCount();
if (childFragmentCount > 0)
{
return(GetChildFragment(childFragmentCount - 1));
}
}
return(base.FragmentNavigate(direction));
}
internal override UiaCore.IRawElementProviderFragment FragmentNavigate(UiaCore.NavigateDirection direction)
{
switch (direction)
{
case UiaCore.NavigateDirection.Parent:
return(Parent);
case UiaCore.NavigateDirection.NextSibling:
return(GetNextSibling());
case UiaCore.NavigateDirection.PreviousSibling:
return(GetPreviousSibling());
default:
return(base.FragmentNavigate(direction));
}
}
internal override UiaCore.IRawElementProviderFragment?FragmentNavigate(UiaCore.NavigateDirection direction)
{
if (_owner.OwnerScrollButton?.Parent is not ToolStripDropDownMenu toolStripDropDownMenu)
{
return(null);
}
return(direction switch
{
UiaCore.NavigateDirection.Parent => toolStripDropDownMenu.AccessibilityObject,
UiaCore.NavigateDirection.NextSibling
=> _owner.UpDirection && toolStripDropDownMenu.Items.Count > 0
? toolStripDropDownMenu.Items[0].AccessibilityObject
: null,
UiaCore.NavigateDirection.PreviousSibling
=> !_owner.UpDirection && toolStripDropDownMenu.Items.Count > 0
? toolStripDropDownMenu.Items[^ 1].AccessibilityObject
/// <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 UiaCore.IRawElementProviderFragment?FragmentNavigate(UiaCore.NavigateDirection direction)
{
if (_parentPropertyGrid.IsHandleCreated &&
_parentPropertyGrid.AccessibilityObject is PropertyGrid.PropertyGridAccessibleObject propertyGridAccessibleObject)
{
UiaCore.IRawElementProviderFragment navigationTarget = propertyGridAccessibleObject.ChildFragmentNavigate(this, direction);
if (navigationTarget is not null)
{
return(navigationTarget);
}
}
return(direction switch
{
UiaCore.NavigateDirection.FirstChild => IsSortedByCategories?GetCategory(0) : GetChild(0),
UiaCore.NavigateDirection.LastChild => IsSortedByCategories?GetLastCategory() : GetLastChild(),
_ => base.FragmentNavigate(direction)
});
internal override UiaCore.IRawElementProviderFragment FragmentNavigate(UiaCore.NavigateDirection direction)
{
if (!_owner.IsHandleCreated)
{
return(null);
}
return(direction switch
{
UiaCore.NavigateDirection.Parent => _owner.AccessibilityObject,
UiaCore.NavigateDirection.PreviousSibling =>
_owner.DropDownStyle == ComboBoxStyle.DropDownList
? _owner.ChildTextAccessibleObject
: _owner.ChildEditAccessibleObject,
// We should return null for NextSibling because it is always the last item in the tree
UiaCore.NavigateDirection.NextSibling => null,
_ => 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 UiaCore.IRawElementProviderFragment?FragmentNavigate(UiaCore.NavigateDirection direction)
{
if (!_owningComboBox.IsHandleCreated)
{
return(null);
}
switch (direction)
{
case UiaCore.NavigateDirection.FirstChild:
return(GetFirstChild());
case UiaCore.NavigateDirection.LastChild:
return(GetLastChild());
default:
return(base.FragmentNavigate(direction));
}
}
internal override UiaCore.IRawElementProviderFragment?FragmentNavigate(UiaCore.NavigateDirection direction)
{
switch (direction)
{
case UiaCore.NavigateDirection.Parent:
DataGridViewCell currentCell = _ownerDataGridView.CurrentCell;
if (currentCell is not null && _ownerDataGridView.IsCurrentCellInEditMode)
{
return(currentCell.AccessibilityObject);
}
break;
case UiaCore.NavigateDirection.FirstChild:
case UiaCore.NavigateDirection.LastChild:
return(_ownerDataGridView.EditingControlAccessibleObject);
}
return(null);
}
/// <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 UiaCore.IRawElementProviderFragment?FragmentNavigate(UiaCore.NavigateDirection direction)
{
if (_parentPropertyGrid.IsHandleCreated &&
_parentPropertyGrid.AccessibilityObject is PropertyGrid.PropertyGridAccessibleObject propertyGridAccessibleObject)
{
UiaCore.IRawElementProviderFragment navigationTarget = propertyGridAccessibleObject.ChildFragmentNavigate(this, direction);
if (navigationTarget is not null)
{
return(navigationTarget);
}
}
if (_owningPropertyGridView.OwnerGrid.SortedByCategories)
{
switch (direction)
{
case UiaCore.NavigateDirection.FirstChild:
return(GetFirstCategory());
case UiaCore.NavigateDirection.LastChild:
return(GetLastCategory());
}
}
else
{
switch (direction)
{
case UiaCore.NavigateDirection.FirstChild:
return(GetChild(0));
case UiaCore.NavigateDirection.LastChild:
int childCount = GetChildCount();
if (childCount > 0)
{
return(GetChild(childCount - 1));
}
return(null);
}
}
return(base.FragmentNavigate(direction));
}
internal override UiaCore.IRawElementProviderFragment?FragmentNavigate(UiaCore.NavigateDirection direction)
{
AccessibleObject _parentInternal = _owningListView.AccessibilityObject;
switch (direction)
{
case UiaCore.NavigateDirection.Parent:
return(_parentInternal);
case UiaCore.NavigateDirection.NextSibling:
int childIndex = _parentInternal.GetChildIndex(this);
return(childIndex == -1 ? null : _parentInternal.GetChild(childIndex + 1));
case UiaCore.NavigateDirection.PreviousSibling:
return(_parentInternal.GetChild(_parentInternal.GetChildIndex(this) - 1));
}
return(base.FragmentNavigate(direction));
}
internal override UiaCore.IRawElementProviderFragment FragmentNavigate(UiaCore.NavigateDirection direction)
{
switch (direction)
{
case UiaCore.NavigateDirection.FirstChild:
return(GetChildFragment(0));
case UiaCore.NavigateDirection.LastChild:
var childFragmentCount = GetChildFragmentCount();
if (childFragmentCount > 0)
{
return(GetChildFragment(childFragmentCount - 1));
}
break;
}
return(base.FragmentNavigate(direction));
}
internal override UiaCore.IRawElementProviderFragment FragmentNavigate(UiaCore.NavigateDirection direction)
{
switch (direction)
{
case UiaCore.NavigateDirection.Parent:
Debug.WriteLine("Edit parent " + _owner.AccessibilityObject.GetPropertyValue(UiaCore.UIA.ControlTypePropertyId));
return(_owner.AccessibilityObject);
case UiaCore.NavigateDirection.NextSibling:
if (_owner.DropDownStyle == ComboBoxStyle.Simple)
{
return(null);
}
if (_owner.AccessibilityObject is ComboBoxAccessibleObject comboBoxAccessibleObject)
{
int comboBoxChildFragmentCount = comboBoxAccessibleObject.GetChildFragmentCount();
if (comboBoxChildFragmentCount > 1)
{ // DropDown button is next;
return(comboBoxAccessibleObject.GetChildFragment(comboBoxChildFragmentCount - 1));
}
}
return(null);
case UiaCore.NavigateDirection.PreviousSibling:
comboBoxAccessibleObject = _owner.AccessibilityObject as ComboBoxAccessibleObject;
if (comboBoxAccessibleObject != null)
{
AccessibleObject firstComboBoxChildFragment = comboBoxAccessibleObject.GetChildFragment(0);
if (RuntimeId != firstComboBoxChildFragment.RuntimeId)
{
return(firstComboBoxChildFragment);
}
}
return(null);
default:
return(base.FragmentNavigate(direction));
}
}
internal override UiaCore.IRawElementProviderFragment?FragmentNavigate(UiaCore.NavigateDirection direction)
{
if (!_owningListView.IsHandleCreated)
{
return(null);
}
int childCount = GetChildCount();
if (childCount == 0)
{
return(null);
}
return(direction switch
{
UiaCore.NavigateDirection.FirstChild => GetChild(0),
UiaCore.NavigateDirection.LastChild => GetChild(childCount - 1),
_ => base.FragmentNavigate(direction)
});
internal override UiaCore.IRawElementProviderFragment? FragmentNavigate(UiaCore.NavigateDirection direction)
{
if (Owner is null)
{
throw new InvalidOperationException(SR.DataGridViewCellAccessibleObject_OwnerNotSet);
}
if (Owner.OwningRow is null)
{
return(null);
}
return(direction switch
{
UiaCore.NavigateDirection.Parent => Owner.OwningRow.AccessibilityObject,
UiaCore.NavigateDirection.NextSibling =>
(Owner.DataGridView is not null && Owner.DataGridView.Columns.GetColumnCount(DataGridViewElementStates.Visible) > 0)
? Owner.OwningRow.AccessibilityObject.GetChild(1) // go to the next sibling
: null,
_ => null,
});
internal override UiaCore.IRawElementProviderFragment FragmentNavigate(UiaCore.NavigateDirection direction)
{
int childCount = _owningListBox.Items.Count;
if (childCount == 0)
{
return(null);
}
switch (direction)
{
case UiaCore.NavigateDirection.FirstChild:
return(GetChild(0));
case UiaCore.NavigateDirection.LastChild:
return(GetChild(childCount - 1));
default:
return(base.FragmentNavigate(direction));
}
}
internal override UiaCore.IRawElementProviderFragment?FragmentNavigate(UiaCore.NavigateDirection direction)
{
if (!_owningListView.IsHandleCreated || _owningListView.VirtualMode)
{
return(null);
}
switch (direction)
{
case UiaCore.NavigateDirection.Parent:
return(_owningListView.AccessibilityObject);
case UiaCore.NavigateDirection.NextSibling:
return((_owningListView.AccessibilityObject as ListView.ListViewAccessibleObject)?.GetNextChild(this));
case UiaCore.NavigateDirection.PreviousSibling:
return((_owningListView.AccessibilityObject as ListView.ListViewAccessibleObject)?.GetPreviousChild(this));
case UiaCore.NavigateDirection.FirstChild:
int childCount = GetChildCount();
if (childCount > 0)
{
return(GetChild(0));
}
return(null);
case UiaCore.NavigateDirection.LastChild:
childCount = GetChildCount();
if (childCount > 0)
{
return(GetChild(childCount - 1));
}
return(null);
default:
return(null);
}
}
internal override UiaCore.IRawElementProviderFragment FragmentNavigate(UiaCore.NavigateDirection direction)
{
if (_owner == null)
{
throw new InvalidOperationException(SR.DataGridViewCellAccessibleObject_OwnerNotSet);
}
if (_owner.OwningColumn == null || _owner.OwningRow == null)
{
return(null);
}
switch (direction)
{
case UiaCore.NavigateDirection.Parent:
return(_owner.OwningRow.AccessibilityObject);
case UiaCore.NavigateDirection.NextSibling:
return(NavigateForward(false));
case UiaCore.NavigateDirection.PreviousSibling:
return(NavigateBackward(false));
case UiaCore.NavigateDirection.FirstChild:
case UiaCore.NavigateDirection.LastChild:
if (_owner.DataGridView.CurrentCell == _owner &&
_owner.DataGridView.IsCurrentCellInEditMode &&
_owner.DataGridView.EditingControl != null)
{
return(_child);
}
break;
default:
return(null);
}
return(null);
}
/// <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 UiaCore.IRawElementProviderFragment?FragmentNavigate(UiaCore.NavigateDirection direction)
{
if (!_owningComboBox.IsHandleCreated)
{
return(null);
}
switch (direction)
{
case UiaCore.NavigateDirection.Parent:
return(_owningComboBox.AccessibilityObject);
case UiaCore.NavigateDirection.FirstChild:
return(GetChildFragment(0));
case UiaCore.NavigateDirection.LastChild:
var childFragmentCount = GetChildFragmentCount();
if (childFragmentCount > 0)
{
return(GetChildFragment(childFragmentCount - 1));
}
return(null);
case UiaCore.NavigateDirection.NextSibling:
return(_owningComboBox.DropDownStyle == ComboBoxStyle.DropDownList
? _owningComboBox.ChildTextAccessibleObject
: _owningComboBox.ChildEditAccessibleObject);
case UiaCore.NavigateDirection.PreviousSibling:
// A workaround for an issue with an Inspect not responding. It also simulates native control behavior.
return(_owningComboBox.DropDownStyle == ComboBoxStyle.Simple
? _owningComboBox.ChildListAccessibleObject
: null);
default:
return(base.FragmentNavigate(direction));
}
}
internal override UiaCore.IRawElementProviderFragment FragmentNavigate(UiaCore.NavigateDirection direction)
{
if (direction == UiaCore.NavigateDirection.Parent)
{
return(_owner.AccessibilityObject);
}
else if (direction == UiaCore.NavigateDirection.PreviousSibling)
{
if (_owner.AccessibilityObject is ComboBoxAccessibleObject comboBoxAccessibleObject)
{
int comboBoxChildFragmentCount = comboBoxAccessibleObject.GetChildFragmentCount();
if (comboBoxChildFragmentCount > 1)
{ // Text or edit is previous;
return(comboBoxAccessibleObject.GetChildFragment(comboBoxChildFragmentCount - 1));
}
}
return(null);
}
return(base.FragmentNavigate(direction));
}
internal override UiaCore.IRawElementProviderFragment? FragmentNavigate(UiaCore.NavigateDirection direction)
{
switch (direction)
{
case UiaCore.NavigateDirection.Parent:
return(Parent);
case UiaCore.NavigateDirection.NextSibling:
if (Parent.GetChildCount() > 1)
{
if (_ownerDataGridView is null)
{
throw new InvalidOperationException(SR.DataGridViewTopRowAccessibleObject_OwnerNotSet);
}
return(_ownerDataGridView.Rows.Count == 0 ? null : Parent.GetChild(1));
}
break;
case UiaCore.NavigateDirection.FirstChild:
if (GetChildCount() > 0)
{
return(GetChild(0));
}
break;
case UiaCore.NavigateDirection.LastChild:
if (GetChildCount() > 0)
{
return(GetChild(GetChildCount() - 1));
}
break;
}
return(null);
}
internal override UiaCore.IRawElementProviderFragment FragmentNavigate(UiaCore.NavigateDirection direction)
{
if (Owner.OwningColumn == null)
{
return(null);
}
switch (direction)
{
case UiaCore.NavigateDirection.Parent:
return(Parent);
case UiaCore.NavigateDirection.NextSibling:
return(NavigateForward());
case UiaCore.NavigateDirection.PreviousSibling:
return(NavigateBackward());
default:
return(null);
}
}
