private void PollingTimer_Elapsed(object sender, ElapsedEventArgs e)
{
var windowPlacement = User32.GetWindowPlacement(windowHandle);
WindowState newWindowState;
switch (windowPlacement.showCmd)
{
case User32.ShowWindowType.SW_MAXIMIZE:
newWindowState = WindowState.Maximized;
break;
case User32.ShowWindowType.SW_HIDE:
case User32.ShowWindowType.SW_SHOWMINNOACTIVE:
case User32.ShowWindowType.SW_MINIMIZE:
case User32.ShowWindowType.SW_SHOWMINIMIZED:
newWindowState = WindowState.Minimized;
break;
case User32.ShowWindowType.SW_NORMAL:
default:
newWindowState = WindowState.Normal;
break;
}
if (newWindowState != windowState)
{
windowState = newWindowState;
if (windowState != null)
{
WindowStateChange?.Invoke(this, new WindowStateChangeEventArgs(windowState ?? WindowState.Normal));
}
}
}
private void OnVisualStateChange(object sender, AutomationPropertyChangedEventArgs e)
{
WindowVisualState visualState = WindowVisualState.Normal;
try
{
visualState = (WindowVisualState)e.NewValue;
}
catch (InvalidCastException)
{
// ignore
}
WindowStateChange?.Invoke(this, new WindowStateChangeEventArgs((WindowState)visualState));
}
