There are times when you might need to provide the user with the ability to pick the colours within your Windows application . You can use the ColorDialog class which is a built-in color picker which lets the users to pick the color within the app.
How to allow the user to pick Color from System Color Picker in Winforms Application ?
Just initialize the ColorDialog and call the ShowDialog method to display the Color picker . Once the color is picked , it is available in the Color property of the ColorDialog object.
System.Windows.Forms.ColorDialog ACcolorDialog = new System.Windows.Forms.ColorDialog();
if (ACcolorDialog.ShowDialog() == DialogResult.OK)
{
MessageBox.Show(ACcolorDialog.Color.ToString());
}