Visual Studio: mylib.lib is not a valid win32 application

Question

I have a solution with two projects: mylib and mylib-test

mylib is a Static Library project.
mylib-test is a Desktop Application project.

mylib-test reference the mylib project.
mylib-test also include the mylib project directory, in order to include mylib.h inside mylib project.

The build order is: mylib, mylib-test
There is correct build order.

However, I got this when I try to run the mylib-test:

Of course, tried exclude mylib from build. But still didnt work.

Answer 1

Set your Windows desktop application project, mylib-test as the solution startup project.

For example, in the property page for the solution -