/// <summary>
/// Displays the <see cref="System.Windows.Controls.ContextMenu"/> if
/// it was set.
/// </summary>
private void ShowContextMenu(Point screenPosition)
{
if (IsDisposed)
{
return;
}
//raise preview event no matter whether context menu is currently set
//or not (enables client to set it on demand)
var args = RaisePreviewTrayContextMenuOpenEvent();
if (args.Handled)
{
return;
}
var contextMenu = ContextMenu;
if (contextMenu != null)
{
var router = new CommandRerouter(this);
router.AttachCommandHandlers(contextMenu);
CommandRerouter.AttachOneShotCommandHandler
(
contextMenu,
ContextMenu.ClosedEvent,
(sender, e) => router.DetachCommandHandlers(contextMenu)
);
CommandManager.InvalidateRequerySuggested();
//use absolute position
contextMenu.Placement = PlacementMode.AbsolutePoint;
contextMenu.HorizontalOffset = screenPosition.X;
contextMenu.VerticalOffset = screenPosition.Y;
contextMenu.IsOpen = true;
//activate the message window to track deactivation - otherwise, the context menu
//does not close if the user clicks somewhere else
WinApi.SetForegroundWindow(messageSink.MessageWindowHandle);
//bubble event
RaiseTrayContextMenuOpenEvent();
}
}
/// <summary>
/// Displays the <see cref="System.Windows.Controls.ContextMenu"/> if
/// it was set.
/// </summary>
private void ShowContextMenu(Point screenPosition)
{
if (IsDisposed) return;
//raise preview event no matter whether context menu is currently set
//or not (enables client to set it on demand)
var args = RaisePreviewTrayContextMenuOpenEvent();
if (args.Handled) return;
var contextMenu = ContextMenu;
if (contextMenu != null)
{
var router = new CommandRerouter(this);
router.AttachCommandHandlers(contextMenu);
CommandRerouter.AttachOneShotCommandHandler
(
contextMenu,
ContextMenu.ClosedEvent,
(sender, e) => router.DetachCommandHandlers(contextMenu)
);
CommandManager.InvalidateRequerySuggested();
//use absolute position
contextMenu.Placement = PlacementMode.AbsolutePoint;
contextMenu.HorizontalOffset = screenPosition.X;
contextMenu.VerticalOffset = screenPosition.Y;
contextMenu.IsOpen = true;
//activate the message window to track deactivation - otherwise, the context menu
//does not close if the user clicks somewhere else
WinApi.SetForegroundWindow(messageSink.MessageWindowHandle);
//bubble event
RaiseTrayContextMenuOpenEvent();
}
}
