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Код:

#include "stdafx.h"
//-------------------
LPCWSTR szWindowClass = L"Direct3DTemplateProj";
LPCWSTR szTitle = L"Direct3d Demo by Michael Flenov";
//--------------------
IDirect3D9 *pD3D = NULL;
IDirect3DDevice9 *pD3DDevice = NULL;
int iWidth = 800;
int iHeight = 600;
//--------------------
int PASCAL WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR lpCmdLine, int nShowCmd);
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
bool Init(HWND hWnd);
void GraphEngine();
//--------------------
int PASCAL WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR lpCmdLine, int nShowCmd)
{
	WNDCLASSEX wcex;
	MSG msg;
	HWND hWnd;	
	CoInitialize(NULL);
	//-------------------
	wcex.cbSize = sizeof(wcex);
	wcex.style = CS_CLASSDC;
	wcex.lpfnWndProc = (WNDPROC)WndProc;
	wcex.cbClsExtra = 0;
	wcex.cbWndExtra = 0;
	wcex.hInstance = hInst;
	wcex.hIcon = LoadIcon(NULL, IDI_APPLICATION);
	wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
	wcex.hbrBackground = NULL;
	wcex.lpszMenuName = NULL;
	wcex.lpszClassName = szWindowClass;
	wcex.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
	if(!RegisterClassEx(&wcex))
		return FALSE;
	//----------------------
	hWnd = CreateWindow(szWindowClass, szTitle, WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX, CW_USEDEFAULT, CW_USEDEFAULT, iWidth, iHeight, NULL, NULL, hInst, NULL);
	if(!hWnd)
		return FALSE;
	//----------------------
	ShowWindow(hWnd, SW_NORMAL);
	UpdateWindow(hWnd);
	//----------------------
	if(Init(hWnd) == TRUE)
	{
		while(true)
		{
			if(PeekMessage(&msg, NULL,NULL,NULL,PM_REMOVE))
			{
				TranslateMessage(&msg);
				DispatchMessage(&msg);
				if(msg.message == WM_QUIT) break;
			}
			GraphEngine();
		}
	}
	//----------------------------
	if(pD3DDevice) {pD3DDevice = NULL; pD3DDevice = NULL;}
	if(pD3D) {pD3D = NULL; pD3D = NULL;}
	CoUninitialize();
	return 0;	
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message,WPARAM wParam,LPARAM lParam)
{
	switch(message)
	{
	case WM_DESTROY:
		PostQuitMessage(0);
		break;
	default:
		return DefWindowProc(hWnd, message, wParam, lParam);
	}
	return 0;
}
bool Init(HWND hWnd)
{
	if(DX3DInitZ(&pD3D, &pD3DDevice, hWnd,iWidth,iHeight,FALSE) != S_OK)
	{
		MessageBox(hWnd, (LPCWSTR)L"DirectX Initialize Error", (LPCWSTR)L"Error", MB_OK);
		return FALSE;
	}
	return TRUE;
}
void GraphEngine()
{
	pD3DDevice->Clear(0,NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(0,0,0), 1.0f,0);
	if(SUCCEEDED(pD3DDevice->BeginScene()))
	{
		pD3DDevice->EndScene();
	}
	pD3DDevice->Present(NULL,NULL,NULL,NULL);
}

Ошибка 1 error LNK2001: неразрешенный внешний символ ""long __cdecl DX3DInitZ(struct IDirect3D9 * *,struct IDirect3DDevice9 * *,struct HWND__ *,unsigned long,unsigned long,int)" (?DX3DInitZ@@YAJPAPAUIDirect3D9@@PAPAUIDirect3DDevice9@@PAUHWND__@@KKH@Z)" directx.obj
Ошибка 2 fatal error LNK1120: 1 неразрешенных внешних элементов C:\MVS\p\directX\directx\Release\directx.exe

кто чего может подсказать?