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KeyHandler.cs
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KeyHandler.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Runtime.InteropServices;
using System.Windows.Forms;
namespace RemotePlayMasher_2020
{
public class KeyHandler
{
[DllImport("user32.dll")]
private static extern bool RegisterHotKey(IntPtr hWnd, int id, int fsModifiers, int vk);
[DllImport("user32.dll")]
private static extern bool UnregisterHotKey(IntPtr hWnd, int id);
private int key;
private IntPtr hWnd;
private int id;
public KeyHandler(Keys key, Form form)
{
this.key = (int)key;
this.hWnd = form.Handle;
id = this.GetHashCode();
}
public override int GetHashCode()
{
return key ^ hWnd.ToInt32();
}
public bool Register()
{
return RegisterHotKey(hWnd, id, 0, key);
}
public bool Register(int modifier)
{
//1 = ALT
//2 = CTRL
//4 = Shift
return RegisterHotKey(hWnd, id, modifier, key);
}
public bool Unregiser()
{
return UnregisterHotKey(hWnd, id);
}
}
public static class Constants
{
//windows message id for hotkey
public const int WM_HOTKEY_MSG_ID = 0x0312;
}
}