Проблема с отладкой WinAPI

#include <Windows.h>
#include <winuser.h>
 
LRESULT CALLBACK SoftwareMainProcedure(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp); 
WNDCLASS NewWindowClass(HBRUSH BGColor, HCURSOR Cursor, HINSTANCE hInst, HICON Icon, LPCWSTR Name, WNDPROC Procedure);
 
int WINAPI WinMain (HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR args, int ncmdshow) {
    WNDCLASS SoftwareMainClass = NewWindowClass((HBRUSH)COLOR_WINDOW, LoadCursor(NULL, IDC_ARROW), hInst, LoadIcon(NULL, IDI_QUESTION), L"MainWndClass", SoftwareMainProcedure);
    
    if (!RegisterClassW(&SoftwareMainClass)) { return -1;}
    MSG SoftwareMainMessage = { 0 };
    
    CreateWindow(L"MainWndClass",L"First c++ window", WS_OVERLAPPEDWINDOW | WS_VISIBLE, 100, 100, 500, 250, NULL, NULL, NULL, NULL);
    
    while (GetMessage(&SoftwareMainMessage, NULL, NULL, NULL)) {
    TranslateMessage(&SoftwareMainMessage);
    DispatchMessage (&SoftwareMainMessage);
    }
    return 0;
}
WNDCLASS NewWindowClass(HBRUSH BGColor, HCURSOR Cursor, HINSTANCE hInst, HICON Icon, LPCWSTR Name, WNDPROC Procedure) {
    WNDCLASS NWC = { 0 };
 
    NWC.hIcon = Icon;
    NWC.hCursor = Cursor;
    NWC.hInstance = hInst;
    NWC.lpszClassName = Name;
    NWC.hbrBackground = BGColor;
    NWC.lpfnWndProc = Procedure;
    
    return NWC;
}
 
LRESULT CALLBACK SoftwareMainProcedure(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp) {
        switch (msg) {
            case WM_CREATE:
                 break;
            case WM_DESTROY:
                PostQuitMessage(0);
                break;       
        default:return DefWindowProc(hWnd, msg, wp, lp);
        }
}

#include <Windows.h>
//#include <winuser.h>
 
WNDCLASSW NewWindowClass(HBRUSH BGColor,
                        HCURSOR Cursor,
                        HINSTANCE hInst,
                        HICON Icon,
                        LPCWSTR Name,
                        WNDPROC Procedure)
{
  WNDCLASSW NWC = { 0 };
 
  NWC.hIcon = Icon;
  NWC.hCursor = Cursor;
  NWC.hInstance = hInst;
  NWC.lpszClassName = Name;
  NWC.hbrBackground = BGColor;
  NWC.lpfnWndProc = Procedure;
 
  return NWC;
}
 
LRESULT CALLBACK SoftwareMainProcedure(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp)
{
  switch (msg)
  {
    case WM_CREATE:
      break;
    case WM_DESTROY:
      PostQuitMessage(0);
      break;
    default:
      return DefWindowProc(hWnd, msg, wp, lp);
  }
 
  return 0;
}
 
int WINAPI WinMain (HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR args, int ncmdshow)
{
  WNDCLASSW SoftwareMainClass = NewWindowClass((HBRUSH)COLOR_WINDOW,
                                              LoadCursor(NULL, IDC_ARROW),
                                              hInst,
                                              LoadIcon(NULL, IDI_QUESTION),
                                              L"MainWndClass",
                                              SoftwareMainProcedure);
 
  if (!RegisterClassW(&SoftwareMainClass))
  {
    return -1;
  }
  MSG SoftwareMainMessage = { 0 };
 
  CreateWindow("MainWndClass",
                "First c++ window",
                WS_OVERLAPPEDWINDOW | WS_POPUPWINDOW | WS_VISIBLE,
                100, 100, 500, 250,
                NULL, NULL, NULL, NULL);
 
  while (GetMessage(&SoftwareMainMessage, NULL, NULL, NULL))
  {
    TranslateMessage(&SoftwareMainMessage);
    DispatchMessage (&SoftwareMainMessage);
  }
  return 0;
}