public void SubmitThumbnailButtons(bool add)
{
int hr = -1;
if (MainThread.MainWindow.IsDisposed ||
MainThread.MainWindow.Disposing)
{
return;
}
if (_taskbarList != null && _buttons.Count > 0)
{
if (add || !_addedOnce)
{
hr = _taskbarList.ThumbBarAddButtons(MainThread.MainWindow.Handle,
(uint)Math.Min(_buttons.Count, 7), _buttons.ToArray());
_addedOnce = true;
}
else
{
hr = _taskbarList.ThumbBarUpdateButtons(MainThread.MainWindow.Handle,
(uint)Math.Min(_buttons.Count, 7), _buttons.ToArray());
}
}
_buttons.Clear();
}
internal static void AddThumbnailButtons(IntPtr hwnd, params ThumbButton[] buttons)
{
if (IsInitialized)
{
HResult res = taskbar.ThumbBarAddButtons(hwnd, (uint)buttons.Length, buttons);
if (res != HResult.Ok)
{
throw new COMException("Cannot add thumbnail button(s): " + res);
}
}
}
// Thumbnail Toolbars ============================================
/// <summary>Adds a thumbnail toolbar with a specified set of buttons to the thumbnail image of a window in a taskbar button flyout.</summary>
/// <param name="parent">The window whose thumbnail representation will receive the toolbar. This window must belong to the calling process.</param>
/// <param name="buttons">
/// An array of THUMBBUTTON structures. Each THUMBBUTTON defines an individual button to be added to the toolbar. Buttons cannot be added or deleted
/// later, so this must be the full defined set. Buttons also cannot be reordered, so their order in the array, which is the order in which they are
/// displayed left to right, will be their permanent order.
/// </param>
public static void ThumbBarAddButtons(IWin32Window parent, THUMBBUTTON[] buttons)
{
Validate7OrLater();
if (parent == null)
{
throw new ArgumentNullException(nameof(parent));
}
if (buttons == null)
{
throw new ArgumentNullException(nameof(buttons));
}
taskbar4?.ThumbBarAddButtons(parent.Handle, (uint)buttons.Length, buttons);
}