Call Winforms ControlPaint.Light() in WPF project

Question

I have a Brush object that I want to lighten using the Windows Forms ControlPaint.Light() method.

I want to convert a System.Windows.Media.Brush object to System.Drawing.Color so that I can change any XAML button background color to its "light color" on button click, because System.Windows.Forms.ControlPaint.Light() takes only color as argument.

Since my Brush object is not a SolidColorBrush and so does not have a Color property, is there some alternative to achieve this?

Answer 1

Try this:

        Brush brush = Brushes.Yellow;
        Color color = ((SolidColorBrush) brush).Color;

Answer 2

You could try getting the A,RGB values of the brush, and then pass them to System.Drawing.Color.FromARGB() Pseudo-Code:

Brush br = Brushes.Green;
byte a = ((Color)br.GetValue(SolidColorBrush.ColorProperty)).A;
byte g = ((Color)br.GetValue(SolidColorBrush.ColorProperty)).G;
byte r = ((Color)br.GetValue(SolidColorBrush.ColorProperty)).R;
byte b = ((Color)br.GetValue(SolidColorBrush.ColorProperty)).B;
System.Windows.Forms.ControlPaint.Light(
    System.Drawing.Color.FromArgb((int)a,(int)r,(int)g,(int)b));

I'm not a WPF expert, but the main thing I think you need to keep in mind is the easiest way to do what you are trying is to use System.Drawing.Color.FromArgb() or even System.Drawing.Color.FromName().