private static WindowStyleFlag GetWindowStyle(DependencyObject obj, WindowStyleFlag windowStyle, DependencyPropertyChangedEventArgs ex)
{
var style = windowStyle;
switch (ex.Property.Name)
{
case "MinimizeBox":
if ((bool)obj.GetValue(MinimizeBoxProperty))
{
style |= WindowStyleFlag.WS_MINIMIZEBOX;
}
else
{
style ^= WindowStyleFlag.WS_MINIMIZEBOX;
}
break;
case "MaximizeBox":
if ((bool)obj.GetValue(MaximizeBoxProperty))
{
style |= WindowStyleFlag.WS_MAXIMIZEBOX;
}
else
{
style ^= WindowStyleFlag.WS_MAXIMIZEBOX;
}
break;
case "ControlBox":
if ((bool)obj.GetValue(ControlBoxProperty))
{
style |= WindowStyleFlag.WS_SYSMENU;
}
else
{
style ^= WindowStyleFlag.WS_SYSMENU;
}
break;
}
return(style);
}
private static extern uint SetWindowLong(IntPtr hWnd, int index, WindowStyleFlag dwLong);
