Multiple Module Catalog MVVM

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C#

WPF

MVVM

PRISM

I want to have two sets of module Catalogs, need to initialise on based on what system the user selects from login control. eg.

I have Module Catalog 1:

<modules>
    <module assemblyFile="Module.ModuleA.dll" moduleType="Org.UI.Module.ModuleModuleA, Module.ModuleA" moduleName="ModuleA"/>

   <module assemblyFile="Module.ModuleB.dll" moduleType="Org.UI.Module.ModuleModuleB, Module.ModuleB" moduleName="ModuleB"/>
  </modules>

and Module Catalog 1:

<modules>
    <module assemblyFile="Module.ModuleC.dll" moduleType="Org.UI.Module.ModuleModuleC, Module.ModuleC" moduleName="ModuleC"/>

   <module assemblyFile="Module.ModuleD.dll" moduleType="Org.UI.Module.ModuleModuleD, Module.ModuleD" moduleName="ModuleD"/>
  </modules>

On start up when a user chooses application 1 I need to initialise and load Catalog 1, when App2 Need to load Catalog 2, please assist.