private void AddTypeLibAttr(System.Runtime.InteropServices.ComTypes.ITypeLib typeLib)
{
if (this.tlbAttrs == null)
{
this.tlbAttrs = new ArrayList();
}
IntPtr invalidIntPtr = System.Design.NativeMethods.InvalidIntPtr;
typeLib.GetLibAttr(out invalidIntPtr);
if (invalidIntPtr != System.Design.NativeMethods.InvalidIntPtr)
{
System.Runtime.InteropServices.TYPELIBATTR typelibattr = (System.Runtime.InteropServices.TYPELIBATTR)Marshal.PtrToStructure(invalidIntPtr, typeof(System.Runtime.InteropServices.TYPELIBATTR));
this.tlbAttrs.Add(typelibattr);
typeLib.ReleaseTLibAttr(invalidIntPtr);
}
}
internal Assembly GetPrimaryInteropAssembly(System.Runtime.InteropServices.ComTypes.ITypeLib typeLib, TypeLibConverter tlbConverter)
{
Assembly assem = this.FindRCW(typeLib);
if (assem == null)
{
IntPtr invalidIntPtr = System.Design.NativeMethods.InvalidIntPtr;
typeLib.GetLibAttr(out invalidIntPtr);
if (!(invalidIntPtr != System.Design.NativeMethods.InvalidIntPtr))
{
return(assem);
}
System.Runtime.InteropServices.TYPELIBATTR typelibattr = (System.Runtime.InteropServices.TYPELIBATTR)Marshal.PtrToStructure(invalidIntPtr, typeof(System.Runtime.InteropServices.TYPELIBATTR));
string asmName = null;
string asmCodeBase = null;
try
{
tlbConverter.GetPrimaryInteropAssembly(typelibattr.guid, typelibattr.wMajorVerNum, typelibattr.wMinorVerNum, typelibattr.lcid, out asmName, out asmCodeBase);
if ((asmName != null) && (asmCodeBase == null))
{
try
{
assem = Assembly.ReflectionOnlyLoad(asmName);
asmCodeBase = this.GetLocalPath(assem.EscapedCodeBase);
}
catch (Exception)
{
}
}
else if (asmCodeBase != null)
{
asmCodeBase = this.GetLocalPath(asmCodeBase);
assem = Assembly.ReflectionOnlyLoadFrom(asmCodeBase);
}
if (assem != null)
{
this.AddRCW(typeLib, assem);
this.AddReferencedAssembly(asmCodeBase);
}
}
finally
{
typeLib.ReleaseTLibAttr(invalidIntPtr);
}
}
return(assem);
}
public static string GetFileOfTypeLib(ref System.Runtime.InteropServices.TYPELIBATTR tlibattr)
{
string path = null;
path = System.Design.NativeMethods.QueryPathOfRegTypeLib(ref tlibattr.guid, tlibattr.wMajorVerNum, tlibattr.wMinorVerNum, tlibattr.lcid);
if (path.Length <= 0)
{
return(path);
}
int index = path.IndexOf('\0');
if (index > -1)
{
path = path.Substring(0, index);
}
if (File.Exists(path))
{
return(path);
}
int length = path.LastIndexOf(Path.DirectorySeparatorChar);
if (length != -1)
{
bool flag = true;
for (int i = length + 1; i < path.Length; i++)
{
if ((path[i] != '\0') && !char.IsDigit(path[i]))
{
flag = false;
break;
}
}
if (flag)
{
path = path.Substring(0, length);
if (!File.Exists(path))
{
path = null;
}
return(path);
}
}
return(null);
}
private static string GetFileOfTypeLib(System.Runtime.InteropServices.ComTypes.ITypeLib typeLib)
{
IntPtr invalidIntPtr = System.Design.NativeMethods.InvalidIntPtr;
typeLib.GetLibAttr(out invalidIntPtr);
if (invalidIntPtr != System.Design.NativeMethods.InvalidIntPtr)
{
System.Runtime.InteropServices.TYPELIBATTR tlibattr = (System.Runtime.InteropServices.TYPELIBATTR)Marshal.PtrToStructure(invalidIntPtr, typeof(System.Runtime.InteropServices.TYPELIBATTR));
try
{
return(GetFileOfTypeLib(ref tlibattr));
}
finally
{
typeLib.ReleaseTLibAttr(invalidIntPtr);
}
}
return(null);
}
internal Assembly FindRCW(System.Runtime.InteropServices.ComTypes.ITypeLib typeLib)
{
if (this.rcwCache != null)
{
IntPtr invalidIntPtr = System.Design.NativeMethods.InvalidIntPtr;
typeLib.GetLibAttr(out invalidIntPtr);
try
{
if (invalidIntPtr != System.Design.NativeMethods.InvalidIntPtr)
{
System.Runtime.InteropServices.TYPELIBATTR typelibattr = (System.Runtime.InteropServices.TYPELIBATTR)Marshal.PtrToStructure(invalidIntPtr, typeof(System.Runtime.InteropServices.TYPELIBATTR));
return((Assembly)this.rcwCache[typelibattr.guid]);
}
}
finally
{
typeLib.ReleaseTLibAttr(invalidIntPtr);
}
}
return(null);
}
internal void AddRCW(System.Runtime.InteropServices.ComTypes.ITypeLib typeLib, Assembly assem)
{
if (this.rcwCache == null)
{
this.rcwCache = new Hashtable();
}
IntPtr invalidIntPtr = System.Design.NativeMethods.InvalidIntPtr;
typeLib.GetLibAttr(out invalidIntPtr);
try
{
if (invalidIntPtr != System.Design.NativeMethods.InvalidIntPtr)
{
System.Runtime.InteropServices.TYPELIBATTR typelibattr = (System.Runtime.InteropServices.TYPELIBATTR)Marshal.PtrToStructure(invalidIntPtr, typeof(System.Runtime.InteropServices.TYPELIBATTR));
this.rcwCache.Add(typelibattr.guid, assem);
}
}
finally
{
typeLib.ReleaseTLibAttr(invalidIntPtr);
}
}
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());
}
public static string GetFileOfTypeLib (ref TYPELIBATTR tlibattr)
{
throw new NotImplementedException ();
}
internal static TypeLibKey GetTypeLibKey(TYPELIBATTR typeLibAttr)
{
TypeLibKey typeLibKey = new TypeLibKey(typeLibAttr.guid,
typeLibAttr.wMajorVerNum + "." + typeLibAttr.wMinorVerNum);
TraceUtil.WriteLineInfo(null, "TypeLibKey: " + typeLibKey);
return typeLibKey;
}
