windowsAPI之键盘输入

 WM_CHAR为0-9，a-z等按键；WM_KEYDOWN为上下左右、F1、F2等按键。

case WM_CHAR:
           switch(wParam)
           {
           case'a':
                  MessageBox(NULL,"A",NULL,NULL);
                  break;
           case'1':
                  MessageBox(NULL,"1",NULL,NULL);
                  break;
           default:
                  break;
           }
           break;
    caseWM_KEYDOWN:
           switch(wParam)
           {
           caseVK_LEFT:
                  MessageBox(NULL,"LEFT",NULL,NULL);
                  break;
           caseVK_UP:
                  MessageBox(NULL,"UP",NULL,NULL);
                  break;
           caseVK_F2:
                  MessageBox(NULL,"F2",NULL,NULL);
                  break;
           default:
                  break;
           }
           break;