From 91dd10ebcb7f8c568d92f88d95194267ad9fe2be Mon Sep 17 00:00:00 2001
From: RKrom <robin@getgreenshot.org>
Date: Fri, 14 Sep 2012 14:38:39 +0000
Subject: [PATCH] Added some debug information, hopefully this will tell us
 something.

git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@2032 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
---
 Greenshot/Helpers/IEInterop/IEContainer.cs |  6 ++++
 GreenshotInterop/Interop/COMWrapper.cs     | 35 ++++++++++++++--------
 2 files changed, 29 insertions(+), 12 deletions(-)

diff --git a/Greenshot/Helpers/IEInterop/IEContainer.cs b/Greenshot/Helpers/IEInterop/IEContainer.cs
index c74246ffc..1544341e9 100644
--- a/Greenshot/Helpers/IEInterop/IEContainer.cs
+++ b/Greenshot/Helpers/IEInterop/IEContainer.cs
@@ -150,6 +150,12 @@ namespace Greenshot.Helpers.IEInterop {
 			} catch (Exception ex) {
 				LOG.Error("Error checking the compatibility mode:");
 				LOG.Error(ex);
+				try {
+					Type document3Type = COMWrapper.GetUnderlyingType(document3 as IDispatch);
+					COMWrapper.DumpTypeInfo(document3Type);
+				} catch (Exception exInternal) {
+					LOG.Error(exInternal);
+				}
 			}
 			Rectangle clientRectangle = contentWindow.WindowRectangle;
 			try {
diff --git a/GreenshotInterop/Interop/COMWrapper.cs b/GreenshotInterop/Interop/COMWrapper.cs
index ade06c33d..a756c7f6f 100644
--- a/GreenshotInterop/Interop/COMWrapper.cs
+++ b/GreenshotInterop/Interop/COMWrapper.cs
@@ -365,7 +365,7 @@ namespace Greenshot.Interop {
 		/// </summary>
 		/// <param name="wrapperProxy">wrapperProxy to get the type from</param>
 		/// <returns>Type</returns>
-		public static Type GetUnderlyingType(object wrapperProxy) {
+		public static Type GetUnderlyingTypeForWrapper(object wrapperProxy) {
 			Type returnType = null;
 			COMWrapper wrapper = RemotingServices.GetRealProxy(wrapperProxy) as COMWrapper;
 			if (wrapper != null) {
@@ -381,32 +381,43 @@ namespace Greenshot.Interop {
 		}
 
 		/// <summary>
-		/// Dump the Type-Information for the COM type to the log, this uses reflection
+		/// Return the Type of a IDispatch
 		/// </summary>
-		/// <param name="wrapperProxy">wrapperProxy to inspect</param>
-		public static void DumpTypeInfo(object wrapperProxy) {
-			Type comType = COMWrapper.GetUnderlyingType(wrapperProxy);
-			if (comType == null) {
-				LOG.InfoFormat("Can't get Typeinformation");
-				return;
+		/// <param name="dispatch">IDispatch to get the type object for</param>
+		/// <returns>Type of the IDispatch</returns>
+		public static Type GetUnderlyingType(IDispatch dispatch) {
+			Type returnType = null;
+			if (dispatch != null) {
+				int result = dispatch.GetTypeInfo(0, 0, out returnType);
+				if (result != 0) {
+					LOG.DebugFormat("GetTypeInfo : 0x{0} ({1})", result.ToString("X"), result);
+				}
 			}
-			LOG.InfoFormat("Type information for COM object with name: {0}", comType.Name);
+			return returnType;
+		}
+
+		/// <summary>
+		/// Dump the Type-Information for the Type to the log, this uses reflection
+		/// </summary>
+		/// <param name="type">Type to inspect</param>
+		public static void DumpTypeInfo(Type type) {
+			LOG.InfoFormat("Type information for Type with name: {0}", type.Name);
 			try {
-				foreach (MemberInfo memberInfo in comType.GetMembers()) {
+				foreach (MemberInfo memberInfo in type.GetMembers()) {
 					LOG.InfoFormat("Member: {0};", memberInfo.ToString());
 				}
 			} catch (Exception memberException) {
 				LOG.Error(memberException);
 			}
 			try {
-				foreach (PropertyInfo propertyInfo in comType.GetProperties()) {
+				foreach (PropertyInfo propertyInfo in type.GetProperties()) {
 					LOG.InfoFormat("Property: {0};", propertyInfo.ToString());
 				}
 			} catch (Exception propertyException) {
 				LOG.Error(propertyException);
 			}
 			try {
-				foreach (FieldInfo fieldInfo in comType.GetFields()) {
+				foreach (FieldInfo fieldInfo in type.GetFields()) {
 					LOG.InfoFormat("Field: {0};", fieldInfo.ToString());
 				}
 			} catch (Exception fieldException) {