利用windows api方式实现系统热键的功能！主要类设计如下：using System;using System.Windows.Forms; // for Key namespaceusing System.Runtime.InteropServices; namespace 实现系统热键{ /// <summary> /// WIN32 Windows API辅助操作类. /// </summary> public class NativeWIN32 { public NativeWIN32() {} /* ------- using WIN32 Windows API in a C# application ------- */ [DllImport("user32.dll", CharSet=CharSet.Auto)] static public extern IntPtr GetForegroundWindow(); // [StructLayout(LayoutKind.Sequential, CharSet=CharSet.Auto)] public struct STRINGBUFFER { [MarshalAs(UnmanagedType.ByValTStr, SizeConst=256)] public string szText; } [DllImport("user32.dll", CharSet=CharSet.Auto)] public static extern int GetWindowText(IntPtr hWnd, out STRINGBUFFER ClassName, int nMaxCount); [DllImport("user32.dll", CharSet=CharSet.Auto)] public static extern int SendMessage(IntPtr hWnd, int msg, int wParam, int lParam); [DllImport("user32.dll", CharSet=CharSet.Auto)] public static extern IntPtr SendMessage(IntPtr hWnd, int msg, int wParam, IntPtr lParam); public const int WM_SYSCOMMAND = 0x0112; public const int SC_CLOSE = 0xF060; public delegate bool EnumThreadProc(IntPtr hwnd, IntPtr lParam); [DllImport("user32.dll", CharSet=CharSet.Auto)] public static extern bool EnumThreadWindows(int threadId, EnumThreadProc pfnEnum, IntPtr lParam); [DllImport("user32.dll", CharSet=CharSet.Auto)] public static extern IntPtr FindWindowEx(IntPtr parent, IntPtr next, string sClassName, IntPtr sWindowTitle);
/* ------- using HOTKEYs in a C# application ------- in form load : bool success = RegisterHotKey(Handle, 100, KeyModifiers.Control | KeyModifiers.Shift, Keys.J); in form closing : UnregisterHotKey(Handle, 100); protected override void WndProc( ref Message m ) { const int WM_HOTKEY = 0x0312; switch(m.Msg) { case WM_HOTKEY: MessageBox.Show("Hotkey pressed"); break; } base.WndProc(ref m ); } ------- using HOTKEYs in a C# application ------- */ [DllImport("user32.dll", SetLastError=true)] public static extern bool RegisterHotKey( IntPtr hWnd, // handle to window int id, // hot key identifier KeyModifiers fsModifiers, // key-modifier options Keys vk // virtual-key code ); [DllImport("user32.dll", SetLastError=true)] public static extern bool UnregisterHotKey( IntPtr hWnd, // handle to window int id // hot key identifier ); [Flags()] public enum KeyModifiers { None = 0, Alt = 1, Control = 2, Shift = 4, Windows = 8 } }}
转载于:https://www.cnblogs.com/tuyile006/archive/2006/08/30/490419.html
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