屏蔽按键

Author: luguanxing

17-屏蔽按键/屏蔽win键.cpp

@@ -0,0 +1,66 @@
+#define _WIN32_WINNT 0x0400	//Windows NT 4.0
+#include <windows.h>
+#include <iostream>
+using namespace std;
+
+MSG msg;
+HHOOK mhook=NULL;
+
+LRESULT WINAPI KeyProc(int code,WPARAM wParam,LPARAM lParam)
+{
+	LPKBDLLHOOKSTRUCT p=(LPKBDLLHOOKSTRUCT)lParam;
+	if(code<0)
+		CallNextHookEx(0,code,wParam,lParam);
+	if(code==HC_ACTION)
+	{
+		switch(wParam)
+		{
+		case WM_KEYDOWN:
+			if(p->vkCode==VK_LWIN||p->vkCode==VK_RWIN)
+			{
+				return 1;
+				break;
+			}
+		case WM_KEYUP:
+				if(p->vkCode==VK_LWIN||p->vkCode==VK_RWIN)
+			{
+				return 1;
+				break;
+			}
+		case WM_SYSKEYDOWN:
+			if(p->vkCode==VK_LWIN||p->vkCode==VK_RWIN)
+			{
+				return 1;
+				break;
+			}
+		case WM_SYSKEYUP:
+			if(p->vkCode==VK_LWIN||p->vkCode==VK_RWIN)
+			{
+				return 1;
+				break;
+			}
+		}
+	}
+	CallNextHookEx(0,code,wParam,lParam);
+	return 0;
+}
+
+void messageloop() {	//消息循环，不断处理消息,mfc可不用
+	while (GetMessage (&msg, NULL, 0, 0)) {
+		TranslateMessage (&msg);
+		DispatchMessage (&msg);
+	};
+}
+
+void sethook() {	//建立钩子
+	mhook=::SetWindowsHookEx(WH_KEYBOARD_LL,KeyProc,GetModuleHandle(NULL),0);
+	if(mhook)
+		cout << "已经屏蔽win键" << endl;
+}
+
+
+int main()  {
+	sethook();
+	messageloop();
+	return 0;
+};