Question

MFC/C++ 如何向桌面发送刷新消息？？

MFC/C++ 如何向桌面发送刷新消息？？就像在桌面上右键--刷新 一样的效果，桌面一闪

Answer 1

弄个按钮加入下面代码试试
keybd_event(VK_LWIN, 0, 0 ,0);
keybd_event('D', 0, 0 ,0);
keybd_event('D', 0, KEYEVENTF_KEYUP ,0);
keybd_event(VK_LWIN, 0, KEYEVENTF_KEYUP,0);
Sleep(100);
keybd_event(116, 0, 0 ,0);
keybd_event(116, 0, KEYEVENTF_KEYUP,0);
Sleep(10);
keybd_event(VK_LWIN, 0, 0 ,0);
keybd_event('D', 0, 0 ,0);
keybd_event('D', 0, KEYEVENTF_KEYUP ,0);
keybd_event(VK_LWIN, 0, KEYEVENTF_KEYUP,0);

Answer 2

在想刷新的地方加
Invalidate();