C++ Call Function with Address DLL

#include <iostream>
#include <Windows.h>

typedef int (__stdcall *msgtype)(HWND hWnd, LPCTSTR lpText, LPCTSTR lpCaption, UINT uType);

int main()
{

    msgtype msgtypeaddr = (msgtype)0x775C27CE;

    LoadLibrary("user32.dll");

    msgtypeaddr(0, "ZXC", "QWE", 0x00000000L);

    // __stdcall clear stack arguments
}