CreateWindowEX() call always retuns NULL by Lerp^_

RenderWindow::RenderWindow( LPSTR strTitle, int iX, int iY, int iWidth,                             int iHeight, int iBpp, COLORREF clrBackground, bool bFullscreen )     : m_bActive( true ), m_bUpdate( true ), m_iWidth( iWidth ), m_iHeight( iHeight ),       m_bFullscreen( bFullscreen ), m_iBpp( iBpp ) {     ofstream fut( "Temp.txt" );     HINSTANCE hInst = GetModuleHandle( NULL );          fut << iWidth << " " << iHeight << " " << iBpp << endl;     RECT rcWindow;     WNDCLASS m_wc;     fut << "Start" << endl;     rcWindow.left    = (long)0;     rcWindow.right    = (long)m_iWidth;     rcWindow.top    = (long)0;     rcWindow.bottom    = (long)m_iHeight;     m_wc.cbClsExtra        = 0;     m_wc.cbWndExtra        = 0;     m_wc.hInstance        = hInst;     m_wc.hIcon            = NULL;     m_wc.hCursor        = (HCURSOR)LoadCursor( NULL, IDC_ARROW );     m_wc.hbrBackground    = NULL;     m_wc.lpszMenuName    = NULL;     m_wc.style            = CS_VREDRAW | CS_HREDRAW | CS_OWNDC;     m_wc.lpfnWndProc    = (WNDPROC)GlobalMsgProc;         m_wc.lpszClassName    = "dsEngine";     fut << "Start2" << endl;     if( !RegisterClass( &m_wc ) )     {         fut << "Start3" << endl;         throw CException( __TIME__, __FILE__, __LINE__,             E_CRITICAL, "Could not register window class." );     }     fut << "Start4" << endl;     if( bFullscreen )     {         fut << "Start5" << endl;         DEVMODE dmScreenSettings;         memset( &dmScreenSettings, 0, sizeof( dmScreenSettings ) );                  dmScreenSettings.dmSize = sizeof( dmScreenSettings );         dmScreenSettings.dmPelsWidth    = m_iWidth;         dmScreenSettings.dmPelsHeight    = m_iHeight;         dmScreenSettings.dmBitsPerPel    = m_iBpp;         dmScreenSettings.dmFields        = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;         LONG lReturnValue;         lReturnValue = ChangeDisplaySettings( &dmScreenSettings, CDS_FULLSCREEN );         if( lReturnValue != DISP_CHANGE_SUCCESSFUL )         {             fut << "Start6" << endl;             g_DisplaySettingsError( lReturnValue );         }     }     fut << "Start7" << endl;     if( m_bFullscreen )     {         fut << "Start8" << endl;         dwExStyle = WS_EX_APPWINDOW;         dwStyle = WS_POPUP;         ShowCursor( FALSE );     }     else     {         fut << "Start9" << endl;         dwExStyle = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE;         dwStyle = WS_OVERLAPPEDWINDOW;     }     AdjustWindowRectEx( &rcWindow, dwStyle, FALSE, dwExStyle );     m_hWnd = CreateWindowEx(    dwExStyle,                                 "dsEngine",                                 strTitle,                                 dwStyle | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,                                 iX, iY,                                 rcWindow.right - rcWindow.left,                                 rcWindow.bottom - rcWindow.top,                                 NULL,                                 NULL,                                 hInst,                                 NULL );     if( !m_hWnd )     {         fut << "NULL" << endl;         fut << GetLastError() << endl;         Destroy();         throw CException( __TIME__, __FILE__, __LINE__ );     }     if( !SetWindowLong( m_hWnd, GWL_USERDATA, long( this ) ) )     {         fut << "SWL" << endl;         throw CException( __TIME__, __FILE__, __LINE__,                 E_NORMAL );     }     static PIXELFORMATDESCRIPTOR PixelFormatDesc = {         sizeof( PIXELFORMATDESCRIPTOR ),    // Size of Pixel Format Descriptor         1,                                    // Version Number         PFD_DRAW_TO_WINDOW |                         PFD_SUPPORT_OPENGL |         PFD_DOUBLEBUFFER |         PFD_TYPE_RGBA,         m_iBpp,                                // Color Depth         0, 0, 0, 0, 0, 0,                    // Color Bits Ignored         0,                                    // Alpha Buffer         0,                                    // Shift Bit Ignored         0,                                    // Accumulation Buffer         0, 0, 0, 0,                            // Accumlation Bits         16,                                    // Z-Buffer (Depth Buffer)         0,                                    // Stencil Buffer         0,                                    // Auxiliary Buffer         PFD_MAIN_PLANE,                        // Main Drawing Layer         0,                                    // Reserved         0, 0, 0                                // Layer Masks     };          m_hDC = GetDC( m_hWnd );     if( m_hDC == NULL )     {         fut << "DC NULL" << endl;         Destroy();         throw CException( __TIME__, __FILE__, __LINE__,                 E_CRITICAL, "Could Not Get Window Device Context" );     }     uiPixelFormat = ChoosePixelFormat( m_hDC, &PixelFormatDesc );     if( !uiPixelFormat )     {         fut << "Pixel Format not found" << endl;         Destroy();         throw CException( __TIME__, __FILE__, __LINE__,                 E_CRITICAL, "Could Not Find Suitable Pixel Format" );     }     if( !SetPixelFormat( m_hDC, uiPixelFormat, &PixelFormatDesc ) )     {         Destroy();         throw CException( __TIME__, __FILE__, __LINE__,                 E_CRITICAL, "Could Not Set The Pixel Format" );     }              m_hRC = wglCreateContext( m_hDC );     if( m_hRC == NULL )     {         Destroy();         throw CException( __TIME__, __FILE__, __LINE__,                 E_CRITICAL, "Could Not Create GL Rendering Context" );     }     if( !wglMakeCurrent( m_hDC, m_hRC ) )     {         Destroy();         throw CException( __TIME__, __FILE__, __LINE__,                 E_CRITICAL, "Could Not Activate GL Rendering Context" );     }     ShowWindow( m_hWnd, SW_SHOW );     SetForegroundWindow( m_hWnd );     SetFocus( m_hWnd ); } I pass in 800 x 600 x 32, and this is the exact code from NeHe basically but the CreateWindowEx() calls always returns a NULL to me.