/*
* Method: GetTypeLibNameForITypeLib
*
* Gets the name of given type library.
*/
internal static bool GetTypeLibNameForITypeLib(TaskLoggingHelper log, bool silent, ITypeLib typeLib, string typeLibId, out string typeLibName)
{
typeLibName = "";
// see if the type library supports ITypeLib2
ITypeLib2 typeLib2 = typeLib as ITypeLib2;
if (typeLib2 == null)
{
// Looks like the type lib doesn't support it. Let's use the Marshal method.
typeLibName = Marshal.GetTypeLibName(typeLib);
return(true);
}
// Get the custom attribute. If anything fails then just return the
// type library name.
try
{
object data = null;
typeLib2.GetCustData(ref NativeMethods.GUID_TYPELIB_NAMESPACE, out data);
// if returned namespace is null or its type is not System.String, fall back to the default
// way of getting the type lib name (just to be safe)
if (data == null || string.Compare(data.GetType().ToString(), "system.string", StringComparison.OrdinalIgnoreCase) != 0)
{
typeLibName = Marshal.GetTypeLibName(typeLib);
return(true);
}
// Strip off the DLL extension if it's there
typeLibName = (string)data;
if (typeLibName.Length >= 4)
{
if (string.Compare(typeLibName.Substring(typeLibName.Length - 4), ".dll", StringComparison.OrdinalIgnoreCase) == 0)
{
typeLibName = typeLibName.Substring(0, typeLibName.Length - 4);
}
}
}
catch (COMException ex)
{
// If anything fails log a warning and just return the type library name.
if (!silent)
{
log.LogWarningWithCodeFromResources("ResolveComReference.CannotAccessTypeLibName", typeLibId, ex.Message);
}
typeLibName = Marshal.GetTypeLibName(typeLib);
return(true);
}
return(true);
}