1 files changed, 52 insertions, 0 deletions
diff --git a/src/inc/tlbutils.h b/src/inc/tlbutils.h
new file mode 100644
index 0000000000..54a274587c
--- /dev/null
+++ b/src/inc/tlbutils.h
@@ -0,0 +1,52 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+//
+// Utilities used to help manipulating typelibs
+//
+
+
+#ifndef _TLBUTILS_H
+#define _TLBUTILS_H
+
+#ifndef FEATURE_COMINTEROP_TLB_SUPPORT
+#error FEATURE_COMINTEROP_TLB_SUPPORT is required for this file
+#endif // FEATURE_COMINTEROP_TLB_SUPPORT
+
+#include "windows.h"
+#include "utilcode.h"
+
+struct StdConvertibleItfInfo
+{
+    LPUTF8      m_strMngTypeName;
+    GUID      * m_pNativeTypeIID;
+    LPUTF8      m_strCustomMarshalerTypeName;
+    LPUTF8      m_strCookie;
+};
+
+// This method returns the custom marshaler info to convert the native interface
+// to its managed equivalent. Or null if the interface is not a standard convertible interface.
+const StdConvertibleItfInfo *GetConvertionInfoFromNativeIID(REFGUID rGuidNativeItf);
+
+// This function determines the namespace name for a TypeLib.
+HRESULT GetNamespaceNameForTypeLib(     // S_OK or error.
+    ITypeLib    *pITLB,                 // [IN] The TypeLib.
+    BSTR        *pwzNamespace);         // [OUT] Put the namespace name here.
+
+// This function determines the namespace.name for a TypeInfo.  If no namespace
+//  is provided, it is retrieved from the containing library.
+HRESULT GetManagedNameForTypeInfo(      // S_OK or error.
+    ITypeInfo   *pITI,                  // [IN] The TypeInfo.
+    LPCWSTR     wzNamespace,            // [IN, OPTIONAL] Default namespace name.
+    LPCWSTR     wzAsmName,              // [IN, OPTIONAL] Assembly name.
+    BSTR        *pwzName);              // [OUT] Put the name here.
+
+#endif // _TLBUTILS_H
+
+
+
+
+
+
+