Support silent mode

In silent mode, we do not launch the wizard after install completes. Instead it will be shown when the user first runs the app.

Author: eltos

Installer/PasteIntoFile.wxs

@@ -32,10 +32,11 @@
                   AllowSameVersionUpgrades="no" />
 
     <!-- After install: launch wizard -->
-    <CustomAction Id='LaunchProgram' FileKey='mainExecutable' ExeCommand='wizard' Return='asyncNoWait' />
+    <CustomAction Id='LaunchProgram' FileKey='mainExecutable' ExeCommand='wizard' Impersonate='yes' Return='asyncNoWait' />
 
     <InstallExecuteSequence>
-      <Custom Action='LaunchProgram' After='InstallFinalize'>NOT Installed</Custom>
+      <!-- This action is not executed during uninstall and silent mode -->
+      <Custom Action='LaunchProgram' After='InstallFinalize'>(NOT Installed) AND (NOT UILevel=2)</Custom>
     </InstallExecuteSequence>
 
   </Product>