이렇게 코드를 짜는 것이 wav 파일을 리소스가 아닌 파일 자체로 읽어서 재생하는 방법 맞나요?

#include <windows.h>
#include "resource.h"
#include <Mmsystem.h>
#pragma comment(lib, "Winmm.lib")
#include <tchar.h>
 
HINSTANCE ghInstance;
HWND ghwnd;
LRESULT CALLBACK WinProc(HWND, UINT, WPARAM, LPARAM);
int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpcmdline, int nshowcmd) {
	WNDCLASS wndCls;
	wndCls.cbClsExtra=0;
	wndCls.cbWndExtra=0;
	wndCls.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);
	wndCls.hCursor=LoadCursor(NULL, IDC_ARROW);
	wndCls.hIcon=NULL;
	wndCls.hInstance=ghInstance=hInstance;
	wndCls.lpfnWndProc=WinProc;
	wndCls.lpszClassName=TEXT("wavesound");
	wndCls.lpszMenuName=NULL;
	wndCls.style=CS_HREDRAW | CS_VREDRAW;
	RegisterClass(&wndCls);
	HWND hwnd=ghwnd=CreateWindow(wndCls.lpszClassName, TEXT("wavesound test"), WS_OVERLAPPEDWINDOW, 300, 300, 500, 500, NULL, NULL, hInstance, NULL);
	ShowWindow(hwnd, nshowcmd);
	MSG message;
	while(  GetMessage(&message, NULL, 0, 0) ) {
		TranslateMessage(&message);
		DispatchMessage(&message);
	}
	return message.wParam;
}
 
void CALLBACK waveOutProc(HWAVEOUT hwo, UINT uMsg, DWORD_PTR dwInstance, DWORD_PTR dwParam1, DWORD_PTR dwParam2) {
 
}
TCHAR tmbuffer[1024];
LRESULT CALLBACK WinProc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam) {
	switch(message) {
		case WM_CREATE:
			{
				/*LPTSTR lpRes;
				HANDLE hResInfo, hRes;
				hResInfo=FindResource(ghInstance, MAKEINTRESOURCE(IDR_WAVE1) , TEXT("WAVE"));
				//hResInfo=FindResource(ghInstance, TEXT("notify.wav") , TEXT("WAVE"));				
				if(hResInfo==NULL) {
					MessageBox(hwnd, TEXT("WM_CREATE"), NULL, MB_OK);
					return 0;
				}
 
				hRes=LoadResource(ghInstance, (HRSRC)hResInfo);
				if(hRes==NULL) {  return 0;  }
				lpRes=(LPTSTR)LockResource(hRes);
				if(lpRes==NULL) {  
					FreeResource(hRes);
					return 0;
				}
				sndPlaySound(lpRes, SND_MEMORY | SND_SYNC | SND_NODEFAULT);
				UnlockResource(hRes);
				FreeResource(hRes);*/
 
				HMMIO mhandle=mmioOpen(  TEXT("notify.wav"), NULL, MMIO_READ  );
				if(mhandle==NULL) {	return 0;	}
				MMIOINFO mediaInfo;
				CHAR buffer[1024];
				if(  mmioSetBuffer(mhandle, buffer, 1024, 0)!=0  ) {
					MessageBox(  ghwnd, TEXT("mmioSetBuffer failed."), NULL, MB_OK);
					mmioClose(mhandle, MMIO_FHOPEN);
					return FALSE;
				}
				MessageBox(ghwnd, TEXT("DS_OK"), NULL, MB_OK);
				MMRESULT mresult=mmioGetInfo(mhandle, &mediaInfo, 0);
				if(mresult!=0) {
					mmioClose(mhandle, MMIO_FHOPEN);
					return FALSE;
				}
 
				LONG rbytes=mmioRead(mhandle, mediaInfo.pchBuffer, 1024);
				if(rbytes==0 || rbytes==-1) {
					MessageBox(ghwnd, TEXT("mmioRead can't read bytes."), NULL, MB_OK);
				}
 
				//_stprintf(  tmbuffer, TEXT("%d"), rbytes);//test
				//MessageBox(ghwnd, tmbuffer, NULL, MB_OK);//test
 
 
 
 
				HWAVEOUT ad_handle;
				UINT ad_id=waveOutGetNumDevs();
				WAVEFORMATEX wfx;
				DWORD_PTR callback_data=0;
 
				_stprintf(  tmbuffer, TEXT("%ld"), ad_id);
				MessageBox(hwnd, tmbuffer, NULL, MB_OK);
 
 
				MMRESULT wResult=waveOutOpen(&ad_handle, ad_id, &wfx, (DWORD_PTR)waveOutProc, callback_data, CALLBACK_FUNCTION);
				//MMRESULT wResult=waveOutOpen(&ad_handle, WAVE_MAPPER, &wfx, (DWORD_PTR)waveOutProc, callback_data, CALLBACK_FUNCTION);
 
				if(wResult!=MMSYSERR_NOERROR) {
					MessageBox(ghwnd, TEXT("waveOutOpen failed."), NULL, MB_OK);
				}
				MessageBox(ghwnd, TEXT("to here"), NULL, MB_OK);//test
				WAVEHDR whdr;
				whdr.lpData=mediaInfo.pchBuffer;
				whdr.dwBufferLength=mediaInfo.cchBuffer;
				whdr.dwFlags=0L;
				whdr.dwLoops=0L;
				wResult=waveOutPrepareHeader(ad_handle, &whdr, sizeof(whdr));
 
				if(wResult!=MMSYSERR_NOERROR) {
					MessageBox(ghwnd, TEXT("waveOutPrepareHeader failed."), NULL, MB_OK);
				}
 
				wResult=waveOutWrite(ad_handle, &whdr, sizeof(whdr));
				if(wResult!=MMSYSERR_NOERROR) {
					MessageBox(ghwnd, TEXT("waveOutWrite failed."), NULL, MB_OK);
				}
 
				return 0;
			}
		case WM_DESTROY:
			PostQuitMessage(0);
			return 0;
	}
	return DefWindowProc(hwnd, message, wparam, lparam);
}