关于动态更换图标的问题,!(求助)
比如我想在一个按钮单击事件中实现更改对话框的图标,,
程序代码:void CMy111Dlg::OnBnClickedOk()
{
// TODO: Add your control notification handler code here
HICON hIcon = AfxGetApp()->LoadIcon(IDI_ICON1);
ASSERT(hIcon);
this->SendMessage(WM_SETICON,TRUE,LPARAM(hIcon));
//OnOK();
}这代码运行后没反应,, - -,,请高手指教,,

