private void LoadTypeLibrary(string typeLibFile)
{
// Load type library via DllImported COM f(x).
LoadTypeLibEx(typeLibFile, REGKIND.REGKIND_DEFAULT, out theTypeLib);
// Get a managed version of type lib attributes.
string typLibStats;
TYPELIBATTR libAtts = new TYPELIBATTR();
Type TYPELIBATTRType = libAtts.GetType();
int structSize = Marshal.SizeOf(TYPELIBATTRType);
IntPtr ptr = IntPtr.Zero;
ptr = Marshal.AllocHGlobal(structSize);
theTypeLib.GetLibAttr(out ptr);
libAtts = (TYPELIBATTR) Marshal.PtrToStructure(ptr, TYPELIBATTRType);
// Print out stats and release memory.
typLibStats = "LIBID: " + libAtts.guid.ToString()
+ "\nVersion (Major): " + libAtts.wMajorVerNum.ToString()
+ "\nVersion (Minor): " + libAtts.wMinorVerNum.ToString();
lblTypeLibStats.Text = typLibStats;
theTypeLib.ReleaseTLibAttr(ptr);
Marshal.DestroyStructure(ptr, libAtts.GetType());
}
