How does the Control create a handle in general?

Question

When I debug the OnHandleCreated function which inherits from Control, I find that Handle has a non-null value, so I know that the OnHandleCreated method is a method that call the event handler of HandleCreated. But how the Control create its handle?

Answer 1

But how the Control create its handle?

Like for all Win32 windows, with CreateWindowEx, mainly in CreateHandle function from NativeWindow.cs