Createthread function common error cannot convert parameter 3 from 'unsigned long (void *) 'to 'U

Error c2664: 'createthread': cannot convert parameter 3 from 'unsigned long (void *) 'to 'unsigned long (_ stdcall *) (void *)'

Solution:

(1) If the thread is executing a member function of the class, it must be declared as a static function using static.
For example:
Class echo
{
Static DWORD winapi threadfunc (lpvoid pvoid)
......
......
}

(2) global functions are generally called.

When we use createthread (null, 0, threadproc, null, 0, null) to create a thread, this function requires the function address in the new thread, there are two common solutions:

1. Declare the new thread function we want to call to DWORD winapi threadproc (lpvoid lpparameter ).

2. We can declare the new thread function as a member function in the class: static DWORD winapi threadproc (lpvoid lpparameter)

However, when we write incorrectly, error c2664: 'createthread': cannot convert parameter 3 from 'unsigned long (void *) may often occur *) the question of 'to 'unsigned long (_ stdcall *) (void *)' is also annoying for our beginners,