It is possible in UWP to set package.manifest property from C# code?

It is possible in UWP to set package. manifest property from C# code?

I want to set all Assets images from C# code depending on some condition
like
if(MA) - Assets Type 1
if(OC) - Assets Type 2

       Executable="$targetnametoken$.exe"
  EntryPoint="MangoAppsUWP.App">
           DisplayName="MangoApps"
    Square150x150Logo="Assets\Square150x150Logo.png"
    Square44x44Logo="Assets\Square44x44Logo.png"
    Description="MangoApps"
    BackgroundColor="transparent">







                   Category="windows.startupTask"
          Executable="MangoAppsUWP.exe"
          EntryPoint="MangoAppsUWP.App">
                     TaskId="MangoAppsUWPStartUpId"
          Enabled="true"
          DisplayName="MangoApps" />