简单钩子
2012-11-01 09:57 龙成 阅读(178) 评论(0) 编辑 收藏 举报1 LRESULT CALLBACK KeyBoardHook(int nCode, WPARAM wParam, LPARAM lParam) 2 { 3 if ((lParam&WS_POPUP) == 0) 4 { 5 CString str; 6 unsigned char ch; 7 if(GetKeyState(VK_CAPITAL))//大小写 8 { 9 ch=(char)wParam; 10 str.Format("%c",ch); 11 12 } 13 else 14 { 15 ch=(char)(wParam+32); 16 str.Format("%c",ch); 17 18 } 19 20 CtestMFCDlg *dlg = (CtestMFCDlg*)AfxGetApp()->GetMainWnd(); 21 22 str.Format("%c",ch); 23 dlg->ListBox.AddString(str); 24 } 25 return CallNextHookEx(hk_Myhook,nCode,wParam,lParam); 26 }
1 hk_Myhook = SetWindowsHookEx(WH_KEYBOARD,KeyBoardHook,0,GetCurrentThreadId());