Import 3dm file with c++

Hi;

 ON_wString filename= "E:\myfile\001.3dm";
 filename.TrimLeftAndRight();
 ON_wString script;
 script.Format( L"_-Import \"%s\"", filename );
 RhinoApp().RunScript( script, 1 );

I want to import a 3dm file with c++, now I have know the file path, but it is don’t succeed,cant any one help me?

You have tho escape the backslashes
"E:\\myfile\\001.3dm"

Think you menno.