From dc41cebc183c072c5187f6d4e2323079d2fbcc36 Mon Sep 17 00:00:00 2001
From: soukoku <yinchun.wang@gmail.com>
Date: Sat, 12 Apr 2014 11:22:05 -0400
Subject: [PATCH] Added error handling to wpf example.

---
 Tests/Tester.WPF/MainWindow.xaml.cs |  9 +++++++++
 Tests/Tester.WPF/Tester.WPF.csproj  | 12 ++++++++++++
 Tests/Tester.WPF/TwainVM.cs         | 24 ++++++++++++++++++++++++
 Tests/Tester.WPF/app.config         | 13 +++++++++++--
 Tests/Tester.WPF/packages.config    |  2 ++
 5 files changed, 58 insertions(+), 2 deletions(-)

diff --git a/Tests/Tester.WPF/MainWindow.xaml.cs b/Tests/Tester.WPF/MainWindow.xaml.cs
index 0b6dd5e..d607aa2 100644
--- a/Tests/Tester.WPF/MainWindow.xaml.cs
+++ b/Tests/Tester.WPF/MainWindow.xaml.cs
@@ -20,6 +20,8 @@ using CommonWin32;
 using System.Threading;
 using ModernWPF.Controls;
 using System.Reflection;
+using System.ComponentModel;
+using GalaSoft.MvvmLight.Messaging;
 
 namespace Tester.WPF
 {
@@ -44,6 +46,13 @@ namespace Tester.WPF
 
             _twainVM = new TwainVM();
             this.DataContext = _twainVM;
+            if (!DesignerProperties.GetIsInDesignMode(this))
+            {
+                Messenger.Default.Register<DialogMessage>(this, msg =>
+                {
+                    ModernMessageBox.Show(this, msg.Content, msg.Caption, msg.Button, msg.Icon, msg.DefaultResult);
+                });
+            }
         }
 
         protected override void OnClosed(EventArgs e)
diff --git a/Tests/Tester.WPF/Tester.WPF.csproj b/Tests/Tester.WPF/Tester.WPF.csproj
index d991a50..0278e66 100644
--- a/Tests/Tester.WPF/Tester.WPF.csproj
+++ b/Tests/Tester.WPF/Tester.WPF.csproj
@@ -44,6 +44,15 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\packages\CommonWin32.2.0.4\lib\net35-Client\CommonWin32.dll</HintPath>
     </Reference>
+    <Reference Include="GalaSoft.MvvmLight.Extras.WPF4">
+      <HintPath>..\..\packages\MvvmLightLibs.4.3.31.1\lib\net40\GalaSoft.MvvmLight.Extras.WPF4.dll</HintPath>
+    </Reference>
+    <Reference Include="GalaSoft.MvvmLight.WPF4">
+      <HintPath>..\..\packages\MvvmLightLibs.4.3.31.1\lib\net40\GalaSoft.MvvmLight.WPF4.dll</HintPath>
+    </Reference>
+    <Reference Include="Microsoft.Practices.ServiceLocation">
+      <HintPath>..\..\packages\CommonServiceLocator.1.2\lib\portable-windows8+net40+sl5+windowsphone8\Microsoft.Practices.ServiceLocation.dll</HintPath>
+    </Reference>
     <Reference Include="ModernWPF, Version=1.0.0.0, Culture=neutral, PublicKeyToken=c99d0cfbea7491ef, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\packages\ModernWPF.1.1.41.2\lib\net40-Client\ModernWPF.dll</HintPath>
@@ -51,6 +60,9 @@
     <Reference Include="System" />
     <Reference Include="System.Data" />
     <Reference Include="System.Windows.Forms" />
+    <Reference Include="System.Windows.Interactivity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\MvvmLightLibs.4.3.31.1\lib\net40\System.Windows.Interactivity.dll</HintPath>
+    </Reference>
     <Reference Include="System.Xml" />
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Core" />
diff --git a/Tests/Tester.WPF/TwainVM.cs b/Tests/Tester.WPF/TwainVM.cs
index 7367f76..409e44e 100644
--- a/Tests/Tester.WPF/TwainVM.cs
+++ b/Tests/Tester.WPF/TwainVM.cs
@@ -10,6 +10,7 @@ using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using CommonWin32;
 using System.Threading;
+using GalaSoft.MvvmLight.Messaging;
 
 namespace Tester.WPF
 {
@@ -42,6 +43,29 @@ namespace Tester.WPF
             }
         }
 
+        protected override void OnTransferError(TransferErrorEventArgs e)
+        {
+            if (e.Exception != null)
+            {
+                Messenger.Default.Send(new DialogMessage(e.Exception.Message, null)
+                {
+                    Caption = "Transfer Error Exception",
+                    Icon = System.Windows.MessageBoxImage.Error,
+                    Button = System.Windows.MessageBoxButton.OK
+                });
+            }
+            else
+            {
+                Messenger.Default.Send(new DialogMessage(string.Format("Return Code: {0}\nCondition Code: {1}", e.ReturnCode, e.SourceStatus.ConditionCode), null)
+                {
+                    Caption = "Transfer Error",
+                    Icon = System.Windows.MessageBoxImage.Error,
+                    Button = System.Windows.MessageBoxButton.OK
+                });
+            }
+            base.OnTransferError(e);
+        }
+
         protected override void OnTransferReady(TransferReadyEventArgs e)
         {
             // set it up to use file xfer
diff --git a/Tests/Tester.WPF/app.config b/Tests/Tester.WPF/app.config
index 2f7cce7..712761a 100644
--- a/Tests/Tester.WPF/app.config
+++ b/Tests/Tester.WPF/app.config
@@ -1,3 +1,12 @@
-<?xml version="1.0"?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0,Profile=Client"/></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0,Profile=Client" /></startup>
+  <runtime>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="Microsoft.Practices.ServiceLocation" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-1.2.0.0" newVersion="1.2.0.0" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
+</configuration>
diff --git a/Tests/Tester.WPF/packages.config b/Tests/Tester.WPF/packages.config
index a6523ff..446489e 100644
--- a/Tests/Tester.WPF/packages.config
+++ b/Tests/Tester.WPF/packages.config
@@ -1,5 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="CommonServiceLocator" version="1.2" targetFramework="net40-Client" />
   <package id="CommonWin32" version="2.0.4" targetFramework="net40-Client" />
   <package id="ModernWPF" version="1.1.41.2" targetFramework="net40-Client" />
+  <package id="MvvmLightLibs" version="4.3.31.1" targetFramework="net40-Client" />
 </packages>
\ No newline at end of file