ColorDialog.CustomColor
using System;
using System.Drawing;
using System.ComponentModel;
using System.Windows.Forms;
public class ColorDialogWithCustomColor{
public static void Main(){
ColorDialog dlg=new ColorDialog();
dlg.FullOpen = true;
// Define the first five of the custom color settings
// 0xAARRGGBB where AA is alpha,
// RR is red,
// GG is green
// BB is blue
// expressed as the hexadecimal byte equivalent
dlg.CustomColors = new int[5]{0x00ff8040, 0x00c256fe,
0x00aa2005, 0x0004f002, 0x002194b5};
dlg.ShowDialog();
}
}
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