求救高手！！虚拟键盘问题

Question

如何获取用户的击键动作，如何发送虚拟键给一个文本文件写入内容
给出源代码更好，在此感谢！！

Answer 1

LONG APIENTRY WndProc(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam)
{
   switch(msg)
   {
     case WM_COMMAND:
          switch(LOWORD(wParam))
          {case IDC_CLOSE:
          DestroyWindow(hwndMain);
          temp="00000804";
          hkl=LoadKeyboardLayout(temp,KLF_ACTIVATE);//装载输入法
  ActivateKeyboardLayout(hkl,KLF_SETFORPROCESS);
          PostQuitMessage(0);
          break;
          case IDC_WAVE:
          keybd_event(0xC0,0,0,0);
           keybd_event(0xC0,0,KEYEVENTF_KEYUP,0);
          if (gbShift)
             {
             keybd_event(0x10,0,KEYEVENTF_KEYUP,0);
             gbShift=false;
             }
          break;
          case IDC_1:
          keybd_event(0x31,0,0,0);
          keybd_event(0x31,0,KEYEVENTF_KEYUP,0);
          if (gbShift)
             {
             keybd_event(0x10,0,KEYEVENTF_KEYUP,0);
             gbShift=false;
             }
          break;
          case IDC_2:
          keybd_event(0x32,0,0,0);
           keybd_event(0x32,0,KEYEVENTF_KEYUP,0);
          if (gbShift)
             {
             keybd_event(0x10,0,KEYEVENTF_KEYUP,0);
             gbShift=false;
             }
          break;
          case IDC_3:
          keybd_event(0x33,0,0,0);
           keybd_event(0x33,0,KEYEVENTF_KEYUP,0);
          if (gbShift)
             {
             keybd_event(0x10,0,KEYEVENTF_KEYUP,0);
             gbShift=false;
             }
          break;
          case IDC_4:
          keybd_event(0x34,0,0,0);
           keybd_event(0x34,0,KEYEVENTF_KEYUP,0);
          if (gbShift)
             {
             keybd_event(0x10,0,KEYEVENTF_KEYUP,0);
             gbShift=false;
             }
          break;
          case IDC_5:
          keybd_event(0x35,0,0,0);
           keybd_event(0x35,0,KEYEVENTF_KEYUP,0);
          if (gbShift)
             {
             keybd_event(0x10,0,KEYEVENTF_KEYUP,0);
             gbShift=false;
             }
          break;
          case IDC_6:
          keybd_event(0x36,0,0,0);
           keybd_event(0x36,0,KEYEVENTF_KEYUP,0);
          if (gbShift)
             {
             keybd_event(0x10,0,KEYEVENTF_KEYUP,0);
             gbShift=false;
             }
          break;
          case IDC_7:
          keybd_event(0x37,0,0,0);
           keybd_event(0x37,0,KEYEVENTF_KEYUP,0);
          if (gbShift)
             {
             keybd_event(0x10,0,KEYEVENTF_KEYUP,0);
             gbShift=false;
             }
          break;
          case IDC_8:
          keybd_event(0x38,0,0,0);
           keybd_event(0x38,0,KEYEVENTF_KEYUP,0);
          if (gbShift)
             {
             keybd_event(0x10,0,KEYEVENTF_KEYUP,0);
             gbShift=false;
             }
          break;
          case IDC_9:
          keybd_event(0x39,0,0,0);
           keybd_event(0x39,0,KEYEVENTF_KEYUP,0);
          if (gbShift)
             {
             keybd_event(0x10,0,KEYEVENTF_KEYUP,0);
             gbShift=false;
             }
          break;
          case IDC_0:
          keybd_event(0x30,0,0,0);
           keybd_event(0x30,0,KEYEVENTF_KEYUP,0);
          if (gbShift)
             {
             keybd_event(0x10,0,KEYEVENTF_KEYUP,0);
             gbShift=false;
             }
          break;
          case IDC_MINUS:
          keybd_event(0xBD,0,0,0);
           keybd_event(0xBD,0,KEYEVENTF_KEYUP,0);
          if (gbShift)
             {
             keybd_event(0x10,0,KEYEVENTF_KEYUP,0);
             gbShift=false;
             }
          break;
          case IDC_PLUS:
          keybd_event(0xBB,0,0,0);
           keybd_event(0xBB,0,KEYEVENTF_KEYUP,0);
          if (gbShift)
             {
             keybd_event(0x10,0,KEYEVENTF_KEYUP,0);
             gbShift=false;
             }
          break;
          case IDC_OEM5:
          keybd_event(0xDC,0,0,0);
           keybd_event(0xDC,0,KEYEVENTF_KEYUP,0);
          if (gbShift)
             {
             keybd_event(0x10,0,KEYEVENTF_KEYUP,0);
             gbShift=false;
             }
          break;
          case IDC_TAB:
          keybd_event(0x09,0,0,0);
           keybd_event(0x09,0,KEYEVENTF_KEYUP,0);
          if (gbShift)
             {
             keybd_event(0x10,0,KEYEVENTF_KEYUP,0);
             gbShift=false;
             }
          break;
          case IDC_Q:
          keybd_event(0x51,0,0,0);
           keybd_event(0x51,0,KEYEVENTF_KEYUP,0);
          if (gbShift)
             {
             keybd_event(0x10,0,KEYEVENTF_KEYUP,0);
             gbShift=false;
             }
          break;
 //---------------------------------------
          case IDC_W:
          keybd_event(0x57,0,0,0);
           keybd_event(0x57,0,KEYEVENTF_KEYUP,0);
          if (gbShift)
             {
             keybd_event(0x10,0,KEYEVENTF_KEYUP,0);
             gbShift=false;
             }
          break;