How can I run a WPF project using a Console project within same process in C#?

I have two simple Hello world projects. One is Console_App and the second is WPF_App.

Using C# Process.Start() will run project is separate process. In my case I have to run the WPF_App with in the Console_App process. The WPF_App should run only in Console_App process.

Sample Console and WPF Projects