public static void DisableControlBox(this Window window)
{
WindowInteropHelper windowInteropHelper = new WindowInteropHelper(window);
Int64 windowLong = WindowClass.GetWindowLong(windowInteropHelper.EnsureHandle(), WindowClass.GWL_STYLE);
WindowClass.SetWindowLong(windowInteropHelper.EnsureHandle(), WindowClass.GWL_STYLE, (Int32)(windowLong & ~WindowStyles.WS_SYSMENU));
}
public static void DisableMinimizeBox(this Window window)
{
WindowInteropHelper windowInteropHelper = new WindowInteropHelper(window);
Int64 windowLong = WindowClass.GetWindowLong(windowInteropHelper.EnsureHandle(), WindowClass.GWL_STYLE);
WindowClass.SetWindowLong(windowInteropHelper.EnsureHandle(), WindowClass.GWL_STYLE, (Int32)(windowLong & ~WindowStyles.WS_MINIMIZEBOX));
}