private static IVisio.Document TryOpenStencil(IVisio.Documents docs, string filename)
{
const short flags = (short)IVisio.VisOpenSaveArgs.visOpenRO | (short)IVisio.VisOpenSaveArgs.visOpenDocked;
try
{
var doc = docs.OpenEx(filename, flags);
return doc;
}
catch (System.Runtime.InteropServices.COMException)
{
return null;
}
}
