private static void RedrawWindowsSystemTrayArea()
{
try
{
// Windows XP and earlier
IntPtr hNotificationArea = Native.FindWindowEx
(
Native.FW(Native.FW(Native.FW(IntPtr.Zero, "Shell_TrayWnd"), "TrayNotifyWnd"), "SysPager"),
IntPtr.Zero,
"ToolbarWindow32",
"Notification Area"
);
// Windows Vista and later
if ((hNotificationArea == IntPtr.Zero) || (hNotificationArea.ToInt32() == Native.INVALID_HANDLE_VALUE))
{
hNotificationArea = Native.FindWindowEx
(
Native.FW(Native.FW(Native.FW(IntPtr.Zero, "Shell_TrayWnd"), "TrayNotifyWnd"), "SysPager"),
IntPtr.Zero,
"ToolbarWindow32",
"User Promoted Notification Area"
);
}
if ((hNotificationArea == IntPtr.Zero) || (hNotificationArea.ToInt32() == Native.INVALID_HANDLE_VALUE))
{
return;
}
// Get the notification bounds
Native.Rect rect = new Native.Rect();
Native.GetClientRect(hNotificationArea, ref rect);
// Wiggle the mouse over the notification area
// Note: this doesn't actually move the mouse cursor on the screen -- this just sends a message to the system tray window
// that mouse movement occurred over it, forcing it to refresh. Sending messages asking for a repaint or invalidated
// area don't work, but this does.
for (UInt32 x = 0; x < rect.Right; x += 5)
{
for (UInt32 y = 0; y < rect.Bottom; y += 5)
{
Native.SendMessage(hNotificationArea, Native.WM_MOUSEMOVE, 0, (y << 16) | x);
}
}
}
catch { }
}
public static IntPtr FW(IntPtr hwndParent, string lpszClass)
{
return(Native.FindWindowEx(hwndParent, IntPtr.Zero, lpszClass, string.Empty));
}
