/// <summary>
/// Gets the accessible property value.
/// </summary>
/// <param name="propertyID">The accessible property ID.</param>
/// <returns>The accessible property value.</returns>
internal override object?GetPropertyValue(UiaCore.UIA propertyID)
{
switch (propertyID)
{
case UiaCore.UIA.ControlTypePropertyId:
// If we don't set a default role for the accessible object
// it will be retrieved from Windows.
// And we don't have a 100% guarantee it will be correct, hence set it ourselves.
return(_owningComboBox.AccessibleRole == AccessibleRole.Default
? UiaCore.UIA.ComboBoxControlTypeId
: base.GetPropertyValue(propertyID));
case UiaCore.UIA.HasKeyboardFocusPropertyId:
return(_owningComboBox.Focused);
default:
return(base.GetPropertyValue(propertyID));
}
}
internal override object GetPropertyValue(UiaCore.UIA propertyID)
{
switch (propertyID)
{
case UiaCore.UIA.NamePropertyId:
return(Name);
case UiaCore.UIA.HasKeyboardFocusPropertyId:
return((State & AccessibleStates.Focused) == AccessibleStates.Focused); // Announce the cell when focusing.
case UiaCore.UIA.IsEnabledPropertyId:
return(_owner.DataGridView.Enabled);
case UiaCore.UIA.AutomationIdPropertyId:
return(AutomationId);
case UiaCore.UIA.HelpTextPropertyId:
return(Help ?? string.Empty);
case UiaCore.UIA.IsKeyboardFocusablePropertyId:
return((State & AccessibleStates.Focusable) == AccessibleStates.Focusable);
case UiaCore.UIA.IsPasswordPropertyId:
return(false);
case UiaCore.UIA.IsOffscreenPropertyId:
return((State & AccessibleStates.Offscreen) == AccessibleStates.Offscreen);
case UiaCore.UIA.AccessKeyPropertyId:
return(string.Empty);
case UiaCore.UIA.GridItemContainingGridPropertyId:
return(Owner.DataGridView.AccessibilityObject);
case UiaCore.UIA.IsTableItemPatternAvailablePropertyId:
return(IsPatternSupported(UiaCore.UIA.TableItemPatternId));
case UiaCore.UIA.IsGridItemPatternAvailablePropertyId:
return(IsPatternSupported(UiaCore.UIA.GridItemPatternId));
}
return(base.GetPropertyValue(propertyID));
}
internal override bool IsPatternSupported(UiaCore.UIA patternId)
{
if (patternId == UiaCore.UIA.ExpandCollapsePatternId)
{
if (_owningComboBox.DropDownStyle == ComboBoxStyle.Simple)
{
return(false);
}
return(true);
}
if (patternId == UiaCore.UIA.ValuePatternId)
{
return(true);
}
return(base.IsPatternSupported(patternId));
}
internal override bool IsPatternSupported(UiaCore.UIA patternId)
{
if (patternId == UiaCore.UIA.LegacyIAccessiblePatternId ||
patternId == UiaCore.UIA.InvokePatternId ||
patternId == UiaCore.UIA.ValuePatternId)
{
return(true);
}
if ((patternId == UiaCore.UIA.TableItemPatternId ||
patternId == UiaCore.UIA.GridItemPatternId) &&
// We don't want to implement patterns for header cells
owner.ColumnIndex != -1 && owner.RowIndex != -1)
{
return(true);
}
return(base.IsPatternSupported(patternId));
}
internal override object GetPropertyValue(UiaCore.UIA propertyID)
{
switch (propertyID)
{
case UiaCore.UIA.ControlTypePropertyId:
return(UiaCore.UIA.ButtonControlTypeId);
case UiaCore.UIA.NamePropertyId:
return(Name);
case UiaCore.UIA.IsLegacyIAccessiblePatternAvailablePropertyId:
return(true);
case UiaCore.UIA.LegacyIAccessibleRolePropertyId:
return(Role);
default:
return(base.GetPropertyValue(propertyID));
}
}
internal override object?GetPropertyValue(UiaCore.UIA propertyId)
{
switch (propertyId)
{
case UiaCore.UIA.IsKeyboardFocusablePropertyId:
case UiaCore.UIA.HasKeyboardFocusPropertyId:
return(false);
case UiaCore.UIA.IsEnabledPropertyId:
return(_ownerDataGridView is null ? throw new InvalidOperationException(SR.DataGridViewTopRowAccessibleObject_OwnerNotSet) : _ownerDataGridView.Enabled);
case UiaCore.UIA.IsOffscreenPropertyId:
return(false);
case UiaCore.UIA.IsContentElementPropertyId:
return(true);
}
return(base.GetPropertyValue(propertyId));
}
internal override object GetPropertyValue(UiaCore.UIA propertyID)
{
switch (propertyID)
{
case UiaCore.UIA.IsTogglePatternAvailablePropertyId:
return(IsPatternSupported(UiaCore.UIA.TogglePatternId));
case UiaCore.UIA.LocalizedControlTypePropertyId:
// We define a custom "LocalizedControlType" by default.
// If DateTimePicker.AccessibleRole value is customized by a user
// then "LocalizedControlType" value will be based on "ControlType"
// which depends on DateTimePicker.AccessibleRole.
return(Owner.AccessibleRole == AccessibleRole.Default
? s_dateTimePickerLocalizedControlTypeString
: base.GetPropertyValue(propertyID));
default:
return(base.GetPropertyValue(propertyID));
}
}
internal override object GetPropertyValue(UiaCore.UIA propertyID)
{
switch (propertyID)
{
case UiaCore.UIA.RuntimeIdPropertyId:
return(RuntimeId);
case UiaCore.UIA.BoundingRectanglePropertyId:
return(BoundingRectangle);
case UiaCore.UIA.ControlTypePropertyId:
return(UiaCore.UIA.ButtonControlTypeId);
case UiaCore.UIA.NamePropertyId:
return(Name);
case UiaCore.UIA.AccessKeyPropertyId:
return(KeyboardShortcut);
case UiaCore.UIA.HasKeyboardFocusPropertyId:
return(_owner.Focused);
case UiaCore.UIA.IsKeyboardFocusablePropertyId:
return((State & AccessibleStates.Focusable) == AccessibleStates.Focusable);
case UiaCore.UIA.IsEnabledPropertyId:
return(_owner.Enabled);
case UiaCore.UIA.HelpTextPropertyId:
return(Help ?? string.Empty);
case UiaCore.UIA.IsPasswordPropertyId:
return(false);
case UiaCore.UIA.IsOffscreenPropertyId:
return((State & AccessibleStates.Offscreen) == AccessibleStates.Offscreen);
default:
return(base.GetPropertyValue(propertyID));
}
}
internal override object GetPropertyValue(UiaCore.UIA propertyID)
{
switch (propertyID)
{
// "ControlType" value depends on owner's AccessibleRole value.
// See: docs/accessibility/accessible-role-controltype.md
case UiaCore.UIA.ControlTypePropertyId:
return(AccessibleRoleControlTypeMap.GetControlType(Role));
case UiaCore.UIA.NamePropertyId:
return(Name);
case UiaCore.UIA.IsExpandCollapsePatternAvailablePropertyId:
return((object)IsPatternSupported(UiaCore.UIA.ExpandCollapsePatternId));
case UiaCore.UIA.IsEnabledPropertyId:
return(_ownerItem.Enabled);
case UiaCore.UIA.IsOffscreenPropertyId:
return(GetIsOffscreenPropertyValue(_ownerItem.Placement, Bounds));
case UiaCore.UIA.IsKeyboardFocusablePropertyId:
return(_ownerItem.CanSelect);
case UiaCore.UIA.HasKeyboardFocusPropertyId:
return(_ownerItem.Selected);
case UiaCore.UIA.AccessKeyPropertyId:
return(KeyboardShortcut);
case UiaCore.UIA.IsPasswordPropertyId:
return(false);
case UiaCore.UIA.HelpTextPropertyId:
return(Help ?? string.Empty);
}
return(base.GetPropertyValue(propertyID));
}
/// <summary>
/// Gets the accessible property value.
/// </summary>
/// <param name="propertyID">The accessible property ID.</param>
/// <returns>The accessible property value.</returns>
internal override object?GetPropertyValue(UiaCore.UIA propertyID)
{
switch (propertyID)
{
case UiaCore.UIA.ControlTypePropertyId:
return(UiaCore.UIA.ListControlTypeId);
case UiaCore.UIA.HasKeyboardFocusPropertyId:
return(false); // Narrator should keep the keyboard focus on th ComboBox itself but not on the DropDown.
case UiaCore.UIA.IsKeyboardFocusablePropertyId:
return((State & AccessibleStates.Focusable) == AccessibleStates.Focusable);
case UiaCore.UIA.IsEnabledPropertyId:
return(_owningComboBox.Enabled);
case UiaCore.UIA.AutomationIdPropertyId:
return(COMBO_BOX_LIST_AUTOMATION_ID);
case UiaCore.UIA.NativeWindowHandlePropertyId:
return(_childListControlhandle);
case UiaCore.UIA.IsOffscreenPropertyId:
return(false);
case UiaCore.UIA.IsSelectionPatternAvailablePropertyId:
return(true);
case UiaCore.UIA.SelectionCanSelectMultiplePropertyId:
return(CanSelectMultiple);
case UiaCore.UIA.SelectionIsSelectionRequiredPropertyId:
return(IsSelectionRequired);
default:
return(base.GetPropertyValue(propertyID));
}
}
/// <summary>
/// Gets the accessible property value.
/// </summary>
/// <param name="propertyID">The accessible property ID.</param>
/// <returns>The accessible property value.</returns>
internal override object?GetPropertyValue(UiaCore.UIA propertyID)
{
switch (propertyID)
{
case UiaCore.UIA.ControlTypePropertyId:
return(UiaCore.UIA.TextControlTypeId);
case UiaCore.UIA.HasKeyboardFocusPropertyId:
return(_owner.Focused);
case UiaCore.UIA.IsKeyboardFocusablePropertyId:
return((State & AccessibleStates.Focusable) == AccessibleStates.Focusable);
case UiaCore.UIA.IsEnabledPropertyId:
return(_owner.Enabled);
case UiaCore.UIA.IsOffscreenPropertyId:
return(false);
default:
return(base.GetPropertyValue(propertyID));
}
}
internal override object GetPropertyValue(UiaCore.UIA propertyID)
{
switch (propertyID)
{
case UiaCore.UIA.RuntimeIdPropertyId:
return(RuntimeId);
case UiaCore.UIA.NamePropertyId:
return(Name);
case UiaCore.UIA.BoundingRectanglePropertyId:
return(Bounds);
case UiaCore.UIA.LegacyIAccessibleStatePropertyId:
return(State);
case UiaCore.UIA.LegacyIAccessibleRolePropertyId:
return(Role);
default:
return(base.GetPropertyValue(propertyID));
}
}
internal override object?GetPropertyValue(UiaCore.UIA propertyID)
{
switch (propertyID)
{
case UiaCore.UIA.RuntimeIdPropertyId:
return(RuntimeId);
case UiaCore.UIA.ControlTypePropertyId:
return(UiaCore.UIA.EditControlTypeId);
case UiaCore.UIA.NamePropertyId:
return(Name);
case UiaCore.UIA.HasKeyboardFocusPropertyId:
return(Owner.Focused);
case UiaCore.UIA.IsEnabledPropertyId:
return(!IsReadOnly);
case UiaCore.UIA.ClassNamePropertyId:
return(Owner.GetType().ToString());
case UiaCore.UIA.FrameworkIdPropertyId:
return(NativeMethods.WinFormFrameworkId);
case UiaCore.UIA.IsValuePatternAvailablePropertyId:
return(IsPatternSupported(UiaCore.UIA.ValuePatternId));
case UiaCore.UIA.IsTextPatternAvailablePropertyId:
return(IsPatternSupported(UiaCore.UIA.TextPatternId));
case UiaCore.UIA.IsTextPattern2AvailablePropertyId:
return(IsPatternSupported(UiaCore.UIA.TextPattern2Id));
}
return(base.GetPropertyValue(propertyID));
}
internal override object GetPropertyValue(UiaCore.UIA propertyID)
{
switch (propertyID)
{
case UiaCore.UIA.BoundingRectanglePropertyId:
return(BoundingRectangle);
case UiaCore.UIA.ControlTypePropertyId:
return(UiaCore.UIA.ListControlTypeId);
case UiaCore.UIA.NamePropertyId:
return(Name);
case UiaCore.UIA.HasKeyboardFocusPropertyId:
bool result = _owningListBox.HasKeyboardFocus && _owningListBox.Focused;
if (GetChildCount() > 0)
{
_owningListBox.HasKeyboardFocus = false;
}
return(result);
case UiaCore.UIA.NativeWindowHandlePropertyId:
return(_owningListBox.Handle);
case UiaCore.UIA.IsSelectionPatternAvailablePropertyId:
return(IsPatternSupported(UiaCore.UIA.SelectionPatternId));
case UiaCore.UIA.IsScrollPatternAvailablePropertyId:
return(IsPatternSupported(UiaCore.UIA.ScrollPatternId));
case UiaCore.UIA.IsLegacyIAccessiblePatternAvailablePropertyId:
return(IsPatternSupported(UiaCore.UIA.LegacyIAccessiblePatternId));
default:
return(base.GetPropertyValue(propertyID));
}
}
/// <summary>
/// Gets the accessible property value.
/// </summary>
/// <param name="propertyID">The accessible property ID.</param>
/// <returns>The accessible property value.</returns>
internal override object?GetPropertyValue(UiaCore.UIA propertyID)
{
switch (propertyID)
{
// "ControlType" value depends on owner's AccessibleRole value.
// See: docs/accessibility/accessible-role-controltype.md
case UiaCore.UIA.ControlTypePropertyId:
return(AccessibleRoleControlTypeMap.GetControlType(Role));
case UiaCore.UIA.IsEnabledPropertyId:
return(_ownerItem.Enabled);
case UiaCore.UIA.IsOffscreenPropertyId:
return(GetIsOffscreenPropertyValue(_ownerItem.Placement, Bounds));
case UiaCore.UIA.IsKeyboardFocusablePropertyId:
return(_ownerItem.CanSelect);
case UiaCore.UIA.HasKeyboardFocusPropertyId:
return(_ownerItem.Selected);
}
return(base.GetPropertyValue(propertyID));
}
internal override bool IsPatternSupported(UiaCore.UIA patternId)
{
return(patternId == UiaCore.UIA.LegacyIAccessiblePatternId ||
patternId == UiaCore.UIA.InvokePatternId ||
base.IsPatternSupported(patternId));
}
internal static void False(AccessibleObject accessibleObject, UiaCore.UIA propertyId)
{
Assert.False((bool)accessibleObject.GetPropertyValue(propertyId));
}
internal override bool IsPatternSupported(UiaCore.UIA patternId) => (patternId == UiaCore.UIA.TogglePatternId && ((DateTimePicker)Owner).ShowCheckBox) || patternId == UiaCore.UIA.ExpandCollapsePatternId || base.IsPatternSupported(patternId);
internal override object GetPropertyValue(UiaCore.UIA propertyID)
{
return(propertyID == UiaCore.UIA.NamePropertyId
? Name
: base.GetPropertyValue(propertyID));
}
internal override object?GetPropertyValue(UiaCore.UIA propertyID)
{
return(_accessibleObject.GetPropertyValue(propertyID));
}
internal override bool IsPatternSupported(UiaCore.UIA patternId)
{
return(patternId.Equals(UiaCore.UIA.LegacyIAccessiblePatternId));
}
/// <inheritdoc /> internal override bool IsPatternSupported(UiaCore.UIA patternId) => patternId == UiaCore.UIA.InvokePatternId || base.IsPatternSupported(patternId);
internal override object GetPropertyValue(UiaCore.UIA propertyID)
{
switch (propertyID)
{
case UiaCore.UIA.NamePropertyId:
return(Name);
case UiaCore.UIA.HasKeyboardFocusPropertyId:
return(false); // Only inner cell should be announced as focused by Narrator but not entire DGV.
case UiaCore.UIA.IsKeyboardFocusablePropertyId:
return(owner.CanFocus);
case UiaCore.UIA.IsEnabledPropertyId:
return(owner.Enabled);
case UiaCore.UIA.IsControlElementPropertyId:
return(true);
case UiaCore.UIA.IsTablePatternAvailablePropertyId:
return(IsPatternSupported(UiaCore.UIA.TablePatternId));
case UiaCore.UIA.IsGridPatternAvailablePropertyId:
return(IsPatternSupported(UiaCore.UIA.GridPatternId));
case UiaCore.UIA.ControlTypePropertyId:
return(UiaCore.UIA.TableControlTypeId);
case UiaCore.UIA.ItemStatusPropertyId:
// Whether the owner DataGridView can be sorted by some column.
// If so, provide not-sorted/sorted-by item status.
bool canSort = false;
for (int i = 0; i < owner.Columns.Count; i++)
{
if (owner.IsSortable(owner.Columns[i]))
{
canSort = true;
break;
}
}
if (canSort)
{
switch (owner.SortOrder)
{
case SortOrder.None:
return(SR.NotSortedAccessibleStatus);
case SortOrder.Ascending:
return(string.Format(SR.DataGridViewSortedAscendingAccessibleStatusFormat, owner.SortedColumn?.HeaderText));
case SortOrder.Descending:
return(string.Format(SR.DataGridViewSortedDescendingAccessibleStatusFormat, owner.SortedColumn?.HeaderText));
}
}
break;
}
return(base.GetPropertyValue(propertyID));
}
internal override bool IsPatternSupported(UiaCore.UIA patternId)
{
return(_accessibleObject.IsPatternSupported(patternId));
}
internal override object?GetPropertyValue(UiaCore.UIA propertyID)
=> propertyID == UiaCore.UIA.NamePropertyId
? SR.PropertyGridViewDropDownControlHolderAccessibleName
: base.GetPropertyValue(propertyID);
internal override object?GetPropertyValue(UiaCore.UIA propertyID)
=> propertyID switch
{
internal override object?GetPropertyValue(UiaCore.UIA propertyID)
=> propertyID == UiaCore.UIA.ControlTypePropertyId
? UiaCore.UIA.ButtonControlTypeId
: base.GetPropertyValue(propertyID);
internal override bool IsPatternSupported(UiaCore.UIA patternId) => patternId == UiaCore.UIA.ExpandCollapsePatternId ? true : base.IsPatternSupported(patternId);
internal override bool IsPatternSupported(UiaCore.UIA patternId)
=> patternId switch
{
internal override bool IsPatternSupported(UiaCore.UIA patternId)
{
return((patternId == UiaCore.UIA.TablePatternId && RowCount > 0) ||
patternId == UiaCore.UIA.GridPatternId ||
base.IsPatternSupported(patternId));
}
