How to load assembly into memory and execute it

Question

This is what im doing:

byte[] bytes = File.ReadAllBytes(@Application.StartupPath+\"/UpdateMainProgaramApp.exe\");
Assembly assembly = Assembly.Load(bytes);
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Answer 1

if you check any WinForm application Program.cs file you'll see there always these 2 lines

Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);

you need to call as well them in your assembly. At least this is what your exception says.

Answer 2

How about calling it in it's own process?

Answer 3

The entry point method is static, so it should be invoked using a null value for the "instance" parameter. Try replacing everything after your Assembly.Load line with the following:

assembly.EntryPoint.Invoke(null, new object[0]);

If the entry point method is not public, you should use the Invoke overload that allows you to specify BindingFlags.