From e41ebb0a13a106ba04c61c269d1886266ecc94ea Mon Sep 17 00:00:00 2001
From: ivan-danilov <van.danilov@gmail.com>
Date: Sun, 27 Sep 2015 17:31:37 +0300
Subject: [PATCH] Fixed a bug where all server-side thrown exceptions were
 translated to client as TargetInvocationException

---
 .../Schema/UiaMethodInfoHelper.cs                    | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/ManagedUiaCustomizationCore/Schema/UiaMethodInfoHelper.cs b/ManagedUiaCustomizationCore/Schema/UiaMethodInfoHelper.cs
index 062f445..31eee04 100644
--- a/ManagedUiaCustomizationCore/Schema/UiaMethodInfoHelper.cs
+++ b/ManagedUiaCustomizationCore/Schema/UiaMethodInfoHelper.cs
@@ -161,7 +161,17 @@ public void DispatchCallToProvider(object provider, UiaParameterListHelper param
             }
 
             // call provider
-            object result = ProviderMethodInfo.Invoke(provider, providerCallParameters);
+            object result = null;
+            try
+            {
+                result = ProviderMethodInfo.Invoke(provider, providerCallParameters);
+            }
+            catch (TargetInvocationException e)
+            {
+                if (e.InnerException != null)
+                    throw e.InnerException;
+                throw;
+            }
 
             // write back out params
             for (int i = 0; i < PatternMethodParamDescriptions.Count; i++)