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分享HWND hDeskTop=FindWindow("#32769(桌面)",NULL);
::SendMessage(hDeskTop,WM_KEYDOWN,VK_F5,1);
::SendMessage(hDeskTop,WM_KEYUP,VK_F5,1); HRESULT hr;
IActiveDesktop *pActiveDesktop;
//Create an instance of the Active Desktop
hr = CoCreateInstance(CLSID_ActiveDesktop, NULL, CLSCTX_INPROC_SERVER,
IID_IActiveDesktop, (void**)&pActiveDesktop);
//Insert code to call the IActiveDesktop methods
pActiveDesktop->ApplyChanges(AD_APPLY_REFRESH);
// Call the Release method
pActiveDesktop->Release();