using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace RichCreator.Utility.Utilitys
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{
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public class SystemHotKey
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{
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/// <summary>
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/// 如果函数执行成功,返回值不为0。
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/// 如果函数执行失败,返回值为0。要得到扩展错误信息,调用GetLastError。
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/// </summary>
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/// <param name="hWnd">要定义热键的窗口的句柄</param>
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/// <param name="id">定义热键ID(不能与其它ID重复)</param>
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/// <param name="fsModifiers">标识热键是否在按Alt、Ctrl、Shift、Windows等键时才会生效</param>
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/// <param name="vk">定义热键的内容</param>
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/// <returns></returns>
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[DllImport("user32.dll", SetLastError = true)]
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public static extern bool RegisterHotKey(IntPtr hWnd, int id, KeyModifiers fsModifiers, Keys vk);
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/// <summary>
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/// 注销热键
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/// </summary>
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/// <param name="hWnd">要取消热键的窗口的句柄</param>
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/// <param name="id">要取消热键的ID</param>
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/// <returns></returns>
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[DllImport("user32.dll", SetLastError = true)]
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public static extern bool UnregisterHotKey(IntPtr hWnd, int id);
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/// <summary>
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/// 辅助键名称。
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/// Alt, Ctrl, Shift, WindowsKey
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/// </summary>
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[Flags()]
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public enum KeyModifiers { None = 0, Alt = 1, Ctrl = 2, Shift = 4, WindowsKey = 8 }
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/// <summary>
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/// 注册热键
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/// </summary>
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/// <param name="hwnd">窗口句柄</param>
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/// <param name="hotKey_id">热键ID</param>
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/// <param name="keyModifiers">组合键</param>
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/// <param name="key">热键</param>
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public static bool RegHotKey(IntPtr hwnd, int hotKeyId, KeyModifiers keyModifiers, Keys key)
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{
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if (!RegisterHotKey(hwnd, hotKeyId, keyModifiers, key))
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{
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int errorCode = Marshal.GetLastWin32Error();
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//if (errorCode == 1409)
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//{
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// MessageBox.Show("热键被占用 !");
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//}
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//else
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//{
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// MessageBox.Show("注册热键失败!错误代码:" + errorCode);
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//}
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return false;
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}
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return true;
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}
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/// <summary>
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/// 注销热键
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/// </summary>
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/// <param name="hwnd">窗口句柄</param>
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/// <param name="hotKey_id">热键ID</param>
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public static void UnRegHotKey(IntPtr hwnd, int hotKeyId)
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{
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//注销指定的热键
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UnregisterHotKey(hwnd, hotKeyId);
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}
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}
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}
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