3 references to ThrowIfNull
System.Windows.Forms (3)
System\Windows\Forms\Rendering\DrawingEventArgs.cs (1)
51ArgumentValidation.ThrowIfNull(dc);
System\Windows\Forms\Rendering\GdiCache.cs (1)
61ArgumentValidation.ThrowIfNull(scope.HDC, "hdc");
System\Windows\Forms\Rendering\ScreenDcCache.cs (1)
64ArgumentValidation.ThrowIfNull(hdc);