// Should the command menu be shown based on the event type?
protected bool ShouldShowCommandMenu(Wpf.EventType eventType)
{
// Check for single event types
if (MenuActivation == eventType)
{
return(true);
}
// Check for compound types
switch (MenuActivation)
{
case Wpf.EventType.Any:
return(true);
case Wpf.EventType.DoubleClick:
if (eventType == Wpf.EventType.LeftButtonDoubleClick ||
eventType == Wpf.EventType.MiddleButtonDoubleClick ||
eventType == Wpf.EventType.RightButtonDoubleClick)
{
return(true);
}
break;
case Wpf.EventType.SingleClick:
if (eventType == Wpf.EventType.LeftButtonSingleClick ||
eventType == Wpf.EventType.MiddleButtonSingleClick ||
eventType == Wpf.EventType.RightButtonSingleClick)
{
return(true);
}
break;
}
return(false);
}
// Called when a window even occurs in the notification area icon
public void OnNotificationIconEvent(object sender, NotifyIconEventArgs e)
{
// Convert from the Win32 event type to the wpf event type
if (e != null)
{
Wpf.EventType eventType = (Wpf.EventType)e.Type;
// Forward the event to any commands
ForwardEventToCommand(eventType);
// Handle the content menu
HandleCommandMenu(eventType, e.CursorX, e.CursorY);
}
}
// Forward events to any registed commands
protected void ForwardEventToCommand(Wpf.EventType eventType)
{
switch (eventType)
{
case Wpf.EventType.LeftButtonDoubleClick:
case Wpf.EventType.MiddleButtonDoubleClick:
case Wpf.EventType.RightButtonDoubleClick:
// Handle double click
if (DoubleClickCommand?.CanExecute(DoubleClickCommandParameter) == true)
{
DoubleClickCommand?.Execute(DoubleClickCommandParameter);
}
break;
}
}
// Handle the display of the command menu, based on the event type
protected void HandleCommandMenu(Wpf.EventType eventType, int cursorX, int cursorY)
{
if (ContextMenu != null)
{
// Should we
if (ShouldShowCommandMenu(eventType))
{
// Set the position of the menu
ContextMenu.Placement = PlacementMode.AbsolutePoint;
ContextMenu.HorizontalOffset = cursorX;
ContextMenu.VerticalOffset = cursorY;
ContextMenu.IsOpen = true;
// Show the window
HwndSource hwndSource = PresentationSource.FromVisual(ContextMenu) as HwndSource;
if (hwndSource != null)
{
NotificationAreaIcon.SetForegroundWindow(hwndSource.Handle);
}
}
}
}
