char szFilters[]=
"MyType Files (*.*)|*.bmp|All Files (*.*)|*.*||";
CFileDialog fileDialog (TRUE, "bmp", "*.bmp",
OFN_FILEMUSTEXIST| OFN_HIDEREADONLY, szFilters, this);
CString filePath = "";
CString fileName = "";
if( fileDialog.DoModal ()==IDOK )
{
filePath = fileDialog.GetPathName();
fileName = fileDialog.GetFileTitle ();
}