0xC0000005 : 0x0000000000000000 위치를 읽는 액세스 위반. C++

Question

저는 작업중인 것에 매우 성가신 문제가 있습니다. 나는 수많은 솔루션을 시도하고이 오류를 연구하여 정확한 문제를 해결하는 데 도움이되지 않습니다. 누구든지 도울 수 있니? 나는

#include "Overlay.h" 

Overlay::Overlay() { 
m_hWnd = NULL; 
m_hGame = NULL; 

m_pDirect3D = nullptr; 
m_pDevice = nullptr; 

memset(&m_Present, NULL, sizeof(D3DPRESENT_PARAMETERS)); 
} 

Overlay::~Overlay() { 
if (m_pDevice) { 
    m_pDevice->Release(); 
    m_pDevice = nullptr; 
} 

if (m_pDirect3D) { 
    m_pDirect3D->Release(); 
    m_pDirect3D = nullptr; 
} 
} 

bool Overlay::Attach(HWND hWnd) { 
m_hGame = hWnd; 

if (!m_hGame) { 
    return false; 
} 

RECT client; 

GetClientRect(m_hGame, &client); 

m_nSize[0] = client.right; 
m_nSize[1] = client.bottom; 

WNDCLASSEX wc = { NULL }; 

wc.cbSize   = sizeof(WNDCLASSEX); 
wc.style   = CS_VREDRAW | CS_HREDRAW; 
wc.lpfnWndProc  = WndProcedure; 
wc.cbClsExtra  = NULL; 
wc.cbWndExtra  = NULL; 
wc.hInstance  = NULL; 
wc.hIcon   = LoadIcon(NULL, IDI_APPLICATION); 
wc.hCursor   = LoadCursor(NULL, IDC_ARROW); 
wc.hbrBackground = (HBRUSH)COLOR_WINDOW; 
wc.lpszMenuName  = NULL; 
wc.lpszClassName = OVERLAY_NAME; 
wc.hIconSm   = LoadIcon(NULL, IDI_APPLICATION); 

if (!RegisterClassEx(&wc)) { 
    return false; 
} 

m_hWnd = CreateWindowEx(WS_EX_TOPMOST | WS_EX_COMPOSITED | WS_EX_TRANSPARENT | WS_EX_LAYERED, OVERLAY_NAME, OVERLAY_NAME, WS_POPUP, CW_USEDEFAULT, CW_USEDEFAULT, m_nSize[0], m_nSize[1], NULL, NULL, NULL, NULL); 

if (!m_hWnd) { 
    return false; 
} 

MARGINS margin = { -1, -1, -1, -1 }; 

DwmExtendFrameIntoClientArea(m_hWnd, &margin); 

ShowWindow(m_hWnd, SW_SHOWDEFAULT); 

UpdateWindow(m_hWnd); 

RECT game; 

GetWindowRect(m_hGame, &game); 

RECT cl; 

GetClientRect(m_hGame, &cl); 

int w = game.right - game.left; 
int h = game.bottom - game.top; 

LONG_PTR dwStyle = GetWindowLongPtr(m_hGame, GWL_STYLE); 

if (dwStyle & WS_BORDER) { 
    int x = GetSystemMetrics(SM_CXBORDER); 
    int y = GetSystemMetrics(SM_CYCAPTION) + GetSystemMetrics(SM_CYBORDER); 

    game.left += x; 
    game.top += y; 

    w -= x; 
    h -= y; 
} 

MoveWindow(m_hWnd, game.left, game.top, w, h, TRUE); 

m_nSize[0] = w; 
m_nSize[1] = h; 

return InitDirectX(); 
} 

int Overlay::OnFrame() { 
MSG msg; 

while (true) { 
    Sleep(1); 

    if (PeekMessage(&msg, NULL, NULL, NULL, PM_REMOVE)) { 
     if (msg.message == WM_QUIT) { 
      break; 
     } 

     TranslateMessage(&msg); 
     DispatchMessageA(&msg); 
    } else { 
     m_pDevice->Clear(NULL, NULL, D3DCLEAR_TARGET, NULL, 1.0f, NULL); 
     m_pDevice->BeginScene(); 

     if (!m_pOnFrameList.empty()) { 
      for (auto& pOnFrame : m_pOnFrameList) { 
       if (pOnFrame) { 
        pOnFrame(); 
       } 
      } 
     } 

     m_pDevice->EndScene(); 
     m_pDevice->Present(NULL, NULL, NULL, NULL); 
    } 
} 

return (int)msg.wParam; 
} 

void Overlay::AddOnFrame(const OnFrameFn& pFunction) { 
m_pOnFrameList.push_back(pFunction); 
} 

void Overlay::GetScreenSize(int* width, int* height) { 
if (width) { 
    *width = m_nSize[0]; 
} 

if (height) { 
    *height = m_nSize[1]; 
} 
} 

IDirect3DDevice9* Overlay::GetDevice() const { 
return m_pDevice; 
} 

bool Overlay::InitDirectX() { 
m_Present.EnableAutoDepthStencil = TRUE; 
m_Present.AutoDepthStencilFormat = D3DFMT_D16; 
m_Present.Windowed     = TRUE; 
m_Present.BackBufferCount   = 1; 
m_Present.BackBufferFormat   = D3DFMT_A8R8G8B8; 
m_Present.BackBufferWidth   = m_nSize[0]; 
m_Present.BackBufferHeight   = m_nSize[1]; 
m_Present.MultiSampleType   = D3DMULTISAMPLE_NONE; 
m_Present.SwapEffect    = D3DSWAPEFFECT_DISCARD; 
m_Present.PresentationInterval  = D3DPRESENT_INTERVAL_IMMEDIATE; 
m_Present.hDeviceWindow    = m_hWnd; 

m_pDirect3D = Direct3DCreate9(D3D_SDK_VERSION); 

if (!m_pDirect3D) { 
    return false; 
} 

if (FAILED(m_pDirect3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, m_hWnd, D3DCREATE_HARDWARE_VERTEXPROCESSING, &m_Present, &m_pDevice))) { 
    return false; 
} 

if (!m_pDevice) { 
    return false; 
} 

return true; 
} 

LRESULT WINAPI Overlay::WndProcedure(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) { 
switch (message) { 
case WM_DESTROY: 
    PostQuitMessage(NULL); 
    break; 

default: 
    return DefWindowProc(hWnd, message, wParam, lParam); 
} 

return NULL; 
} 

내 오류가 어떤 도움이 많이 NULL이 0x0으로 의미

Answer 1

감사하겠습니다이 줄 m_pDevice->Clear(NULL, NULL, D3DCLEAR_TARGET, NULL, 1.0f, NULL);

에서 발생 아래에있는 내 Overlay.cpp을 ... 포함 시켰습니다. 아마도 NULL을 m_pDevice-> Clear()로 전달할 것입니다.

또한 m_pDevice가 nullptr이 아니어야합니다.