CFileDialog对话框中，如何修改对话框标题

 

CFileDialog dlgin(TRUE,".tif","",OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,"TIF文件(*.tif;*.TIF)|*.tif;*.TIF|img文件(*.img;*.IMG)|*.img;*.IMG|(ALL*.*)|*.*||",NULL);
dlgin.m_ofn.lpstrTitle="设置标题"; //此处加上这行代码
if (dlgin.DoModal()==IDOK)
{
}