代码库の全局快捷键
using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Windows.Forms;
static class Hotkey
{
/*注:快捷键是通过消息触发的,因此要重载WndProc函数,
* 在里面添加对快捷键回调消息的处理方法Hotkey.ProcessHotKey(m)。
* 注意,回调函数(要执行的方法,动作等)不加括号!
// protected override void WndProc(ref Message m)
// {
// base.WndProc(ref m);
// Hotkey.ProcessHotKey(m);
// }
*/
#region 系统api
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
static extern bool RegisterHotKey(IntPtr hWnd, int id, HotkeyModifiers fsModifiers, Keys vk);
[DllImport("user32.dll")]
static extern bool UnregisterHotKey(IntPtr hWnd, int id);
#endregion
/// <summary>
/// 注册快捷键
/// </summary>
/// <param name="hWnd">持有快捷键窗口的句柄</param>
/// <param name="fsModifiers">组合键</param>
/// <param name="vk">快捷键的虚拟键码</param>
/// <param name="callBack">回调函数</param>
public static void Regist(IntPtr hWnd, HotkeyModifiers fsModifiers, Keys vk, HotKeyCallBackHanlder callBack)
{
int id = keyid++;
if (!RegisterHotKey(hWnd, id, fsModifiers, vk))
throw new Exception("regist hotkey fail.");
keymap[id] = callBack;
}
/// <summary>
/// 注销快捷键
/// </summary>
/// <param name="hWnd">持有快捷键窗口的句柄</param>
/// <param name="callBack">回调函数</param>
public static void UnRegist(IntPtr hWnd, HotKeyCallBackHanlder callBack)
{
foreach (KeyValuePair<int, HotKeyCallBackHanlder> var in keymap)
{
if (var.Value == callBack)
UnregisterHotKey(hWnd, var.Key);
}
}
/// <summary>
/// 快捷键消息处理
/// </summary>
public static void ProcessHotKey(System.Windows.Forms.Message m)
{
if (m.Msg == WM_HOTKEY)
{
int id = m.WParam.ToInt32();
HotKeyCallBackHanlder callback;
if (keymap.TryGetValue(id, out callback))
{
callback();
}
}
}
const int WM_HOTKEY = 0x312;
static int keyid = 10;
static Dictionary<int, HotKeyCallBackHanlder> keymap = new Dictionary<int, HotKeyCallBackHanlder>();
public delegate void HotKeyCallBackHanlder();
}
enum HotkeyModifiers
{
MOD_ALT = 0x1,
MOD_CONTROL = 0x2,
MOD_SHIFT = 0x4,
MOD_WIN = 0x8
}
/*附:虚拟键值表附:常用模拟键的键值对照表。
键盘键与虚拟键码对照表
字母和数字键 数字小键盘的键 功能键 其它键
键 键码 键 键码 键 键码 键 键码
A 65 0 96 F1 112 Backspace 8
B 66 1 97 F2 113 Tab 9
C 67 2 98 F3 114 Clear 12
D 68 3 99 F4 115 Enter 13
E 69 4 100 F5 116 Shift 16
F 70 5 101 F6 117 Control 17
G 71 6 102 F7 118 Alt 18
H 72 7 103 F8 119 Caps Lock 20
I 73 8 104 F9 120 Esc 27
J 74 9 105 F10 121 Spacebar 32
K 75 * 106 F11 122 Page Up 33
L 76 + 107 F12 123 Page Down 34
M 77 Enter 108 -- -- End 35
N 78 - 109 -- -- Home 36
O 79 . 110 -- -- Left Arrow 37
P 80 / 111 -- -- Up Arrow 38
Q 81 -- -- -- -- Right Arrow 39
R 82 -- -- -- -- Down Arrow 40
S 83 -- -- -- -- Insert 45
T 84 -- -- -- -- Delete 46
U 85 -- -- -- -- Help 47
V 86 -- -- -- -- Num Lock 144
W 87
X 88
Y 89
Z 90
0 48
1 49
2 50
3 51
4 52
5 53
6 54
7 55
8 56
9 57
*/