Extend App.config

- Added InstallRedistributablePackage (AutoUpdate may fail, if this is disabled) Fixes: #362

Author: bitbeans

SimpleDnsCrypt/App.config

@@ -77,6 +77,9 @@
             <setting name="TrayMode" serializeAs="String">
                 <value>True</value>
             </setting>
+            <setting name="InstallRedistributablePackage" serializeAs="String">
+                <value>True</value>
+            </setting>
         </SimpleDnsCrypt.Properties.Settings>
     </userSettings>
 </configuration>

SimpleDnsCrypt/Properties/Settings.Designer.cs

@@ -53,5 +53,8 @@
     <Setting Name="TrayMode" Type="System.Boolean" Scope="User">
       <Value Profile="(Default)">True</Value>
     </Setting>
+    <Setting Name="InstallRedistributablePackage" Type="System.Boolean" Scope="User">
+      <Value Profile="(Default)">True</Value>
+    </Setting>
   </Settings>
 </SettingsFile>

SimpleDnsCrypt/Properties/Settings.settings

@@ -59,13 +59,19 @@ private async void InitializeApplication()
 				}
 				else
 				{
-					ProgressText = LocalizationEx.GetUiString("loader_redistributable_package_installing", Thread.CurrentThread.CurrentCulture);
-					//minisign needs this (to verify the installer with libsodium)
-					await PrerequisiteHelper.DownloadAndInstallRedistributablePackage();
-					if (PrerequisiteHelper.IsRedistributablePackageInstalled())
+					//Note: if this is disabled, the auto update may not work
+					if (Properties.Settings.Default.InstallRedistributablePackage)
 					{
-						ProgressText = LocalizationEx.GetUiString("loader_redistributable_package_ready", Thread.CurrentThread.CurrentCulture);
-						await Task.Delay(1000).ConfigureAwait(false);
+						ProgressText = LocalizationEx.GetUiString("loader_redistributable_package_installing",
+							Thread.CurrentThread.CurrentCulture);
+						//minisign needs this (to verify the installer with libsodium)
+						await PrerequisiteHelper.DownloadAndInstallRedistributablePackage();
+						if (PrerequisiteHelper.IsRedistributablePackageInstalled())
+						{
+							ProgressText = LocalizationEx.GetUiString("loader_redistributable_package_ready",
+								Thread.CurrentThread.CurrentCulture);
+							await Task.Delay(1000).ConfigureAwait(false);
+						}
 					}
 				}