diff --git a/msbuild-gui-installer/msbuild-gui-installer.vdproj b/msbuild-gui-installer/msbuild-gui-installer.vdproj
index 8f652c6..ce907f1 100644
--- a/msbuild-gui-installer/msbuild-gui-installer.vdproj
+++ b/msbuild-gui-installer/msbuild-gui-installer.vdproj
@@ -246,15 +246,15 @@
         {
         "Name" = "8:Microsoft Visual Studio"
         "ProductName" = "8:MsBuild-Gui"
-        "ProductCode" = "8:{7990D27C-5549-435F-A418-4BF971E40604}"
-        "PackageCode" = "8:{6BEAF04A-54F2-443D-911F-85775EEAB763}"
+        "ProductCode" = "8:{3D1157FB-35CF-485D-A542-150C3B87B638}"
+        "PackageCode" = "8:{51F28A31-8F2A-46FC-918A-9EE9E234321E}"
         "UpgradeCode" = "8:{7D70ECDB-383F-40E2-B1A8-D750CFA02BE0}"
         "AspNetVersion" = "8:4.0.30319.0"
         "RestartWWWService" = "11:FALSE"
         "RemovePreviousVersions" = "11:TRUE"
         "DetectNewerInstalledVersion" = "11:TRUE"
         "InstallAllUsers" = "11:FALSE"
-        "ProductVersion" = "8:1.0.1"
+        "ProductVersion" = "8:1.0.2"
         "Manufacturer" = "8:yt3trees"
         "ARPHELPTELEPHONE" = "8:"
         "ARPHELPLINK" = "8:"
diff --git a/msbuild-gui/MainWindow.xaml b/msbuild-gui/MainWindow.xaml
index 9eade92..b6d822c 100644
--- a/msbuild-gui/MainWindow.xaml
+++ b/msbuild-gui/MainWindow.xaml
@@ -96,7 +96,8 @@
                  MouseDoubleClick="SourceList_MouseDoubleClick"
                  KeyDown="SourceList_KeyDown"
                  ScrollViewer.HorizontalScrollBarVisibility="Auto"
-                 TabIndex="7" />
+                 TabIndex="7"
+                 SelectionMode="Extended" />
         <ListBox x:Name="TargetList"
                  d:ItemsSource="{d:SampleData ItemCount=5}"
                  Margin="10,40,10,0"
@@ -107,7 +108,8 @@
                  MouseDoubleClick="TargetList_MouseDoubleClick"
                  KeyDown="TargetList_KeyDown"
                  ScrollViewer.HorizontalScrollBarVisibility="Auto"
-                 TabIndex="10" />
+                 TabIndex="10"
+                 SelectionMode="Extended" />
         <Grid Grid.Column="2"
               Grid.Row="3">
             <Grid.ColumnDefinitions>
diff --git a/msbuild-gui/MainWindow.xaml.cs b/msbuild-gui/MainWindow.xaml.cs
index 794af60..ffd14d5 100644
--- a/msbuild-gui/MainWindow.xaml.cs
+++ b/msbuild-gui/MainWindow.xaml.cs
@@ -188,10 +188,18 @@ private void MenuItem_Click(object sender, RoutedEventArgs e)
         /// </summary>
         private void AddButton_Click(object sender, RoutedEventArgs e)
         {
-            string? sourceFolder = SourceList.SelectedItem as string;
-            if (sourceFolder != null)
+            string[]? sourceFolder = new string[0];
+            int i = 0;
+
+            foreach(var item in SourceList.SelectedItems)
+            {
+                Array.Resize(ref sourceFolder, i + 1);
+                sourceFolder[i] = item.ToString();
+                i++;
+            }
+            foreach(var item in sourceFolder)
             {
-                TargetList.Items.Add(sourceFolder);
+                TargetList.Items.Add(item);
             }
         }
         /// <summary>
@@ -199,8 +207,19 @@ private void AddButton_Click(object sender, RoutedEventArgs e)
         /// </summary>
         private void RemoveButton_Click(object sender, RoutedEventArgs e)
         {
-            string? targetFolder = TargetList.SelectedItem as string;
-            TargetList.Items.Remove(targetFolder);
+            string[]? targetFolder = new string[0];
+            int i = 0;
+
+            foreach(var item in TargetList.SelectedItems)
+            {
+                Array.Resize(ref targetFolder, i + 1);
+                targetFolder[i] = item.ToString();
+                i++;
+            }
+            foreach (var item in targetFolder)
+            {
+                TargetList.Items.Remove(item);
+            }
         }
 
         private void ProjCombo_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
diff --git a/msbuild-gui/msbuild-gui.csproj b/msbuild-gui/msbuild-gui.csproj
index 4251a1f..6dc4938 100644
--- a/msbuild-gui/msbuild-gui.csproj
+++ b/msbuild-gui/msbuild-gui.csproj
@@ -6,9 +6,9 @@
     <RootNamespace>msbuild_gui</RootNamespace>
     <Nullable>enable</Nullable>
     <UseWPF>true</UseWPF>
-    <AssemblyVersion>1.0.1.0</AssemblyVersion>
+    <AssemblyVersion>1.0.2.0</AssemblyVersion>
     <Company>yt3trees</Company>
-    <FileVersion>1.0.1.0</FileVersion>
+    <FileVersion>1.0.2.0</FileVersion>
     <PackageIcon>MsBuild-Gui.png</PackageIcon>
     <ApplicationIcon>image\MsBuild-Gui.ico</ApplicationIcon>
     <ApplicationManifest>app.manifest</ApplicationManifest>