LitDev.FormWait.setColour C# (CSharp) Method

        public void setColour(Color colour)
        {
            this.BackColor = Color.FromArgb(colour.R, colour.G, colour.B);
            this.Opacity = colour.A /255.0;
        }
    }

 private static void ShowWait()
 {
     _FormWait = new FormWait();
     _FormWait.setText(_TextWait);
     _FormWait.setColour(_Colour);
     _FormWait.TopMost = true;
     StartPosition(_FormWait, null);
     _FormWait.ShowDialog(Utilities.ForegroundHandle());
 }