using System;
using System.Drawing;
using System.Text.RegularExpressions;

// The 'windowHandle' parameter will contain the window handle for the:
// - Active window when run by hotkey
// - Window Location target when run by a Window Location rule
// - TitleBar Button owner when run by a TitleBar Button
// - Jump List owner when run from a Taskbar Jump List
// - Currently focused window if none of these match
public static class DisplayFusionFunction
{
	public static void Run(IntPtr windowHandle)
	{	
		//exit function if we couldn't get the window
		if (windowHandle == IntPtr.Zero)
		return;

		//get the transparency of the window
        string input = BFS.Dialog.GetUserInputList ("choose the opacity you want",new string [] {"100%", "90%","80%","70%","60%","50%","40%","30%","20%","10%"});
        //reg to judge num
        string values =  Regex.Replace(input, "[^0-9]", "");
        //string type translate to decmal type 
		decimal alpha = decimal.Parse(values);
        //transparency value should be 0~1
		alpha = Math.Round(alpha / 10) * 10m;

		//set the transparency
		BFS.Window.SetTransparency(windowHandle, Math.Floor(alpha));
	}
}