Classes

[SOURCE]
// SystemCore.h
// Last updated: 20 Feb 2007, Drezard

#include <windows.h>													// Standard windows include file
#include <windowsx.h>													// Standard windows include file

#ifndef SYSTEMCORE_H													// Checks if the header has already been called 
#define SYSTEMCORE_H													// If it hasnt then it will call it with this code

class DrezSystem;														// Declare the class

static LRESULT CALLBACK AppWindowProc(HWND hWnd,						// Declare a WNDPROC to handle Wm_Quit
									  UINT uMsg, 
									  WPARAM wParam, 
									  LPARAM lParam); 
static DrezSystem*	g_pApp = 0;											// Pointer to the class

class DrezSystem {														// Class prototype													

	private:															// Declare all the private members

		WNDCLASSEX	m_Wcex;												// Declare our windows struct
		HINSTANCE  m_hInst;												// Declare a variable for our programs Instance
		HWND  m_hWnd;													// Declare a variable for our programs Handle										

	public:																// Declare all the public members

		DrezSystem();													// Constructor
		~DrezSystem();													// Destructor

		bool run();														// Registers the class

		virtual LRESULT CALLBACK MsgProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { 
		
			return DefWindowProc(hWnd, uMsg, wParam, lParam); 

		}

};

#endif
[/SOURCE]

[SOURCE]
// SystemCore.cpp
// Last updated: 20 Feb 2007, Drezard

#include "SystemCore.h"

	DrezSystem::DrezSystem(){													// Constructor

		g_pApp	= this;															// Set g_aApp pointer to the class
		m_hInst = GetModuleHandle(0);											// Set the programs instance
		m_hWnd = NULL;															// Set the programs handle


		m_Wcex.cbSize		 = sizeof(WNDCLASSEX);								// Size of the windows class
		m_Wcex.style		 = CS_CLASSDC;										// Style
		m_Wcex.lpfnWndProc	 = AppWindowProc;									// No Win Proc yet
		m_Wcex.cbClsExtra	 = 0;							
		m_Wcex.cbWndExtra	 = 0;
		m_Wcex.hInstance	 = m_hInst;											// Hinstance
		m_Wcex.hIcon		 = LoadIcon(0, IDI_APPLICATION);					// Load the icon
		m_Wcex.hCursor		 = LoadCursor(0, IDC_ARROW);						// Load the cursor
		m_Wcex.hbrBackground = 0;
		m_Wcex.lpszMenuName	 = 0;
		m_Wcex.lpszClassName = L"TEST";
		m_Wcex.hIconSm		 = LoadIcon(0, IDI_APPLICATION);


	}

	DrezSystem::~DrezSystem(){													// Destructor

		m_hInst = NULL;															// Set the programs instance (Memory Release)
		m_hWnd = NULL;															// Set the programs handle (Memory Release)

	}


	LRESULT CALLBACK AppWindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
	{
		switch(uMsg)
		{
		case WM_DESTROY:
			PostQuitMessage(true);
			break;
		default:
			return g_pApp->MsgProc(hWnd, uMsg, wParam, lParam);
			break;
		}

		return 0;
	}

	bool DrezSystem::run() {													// Registers the class

			if(!(RegisterClassEx(&m_Wcex))) {										// If Registering the Class fails
		
				return false;														// Return false
	
			}																			

			UnregisterClass(L"TEST", m_hInst);										// Unregister the class (Memory Release)

			return true;														// Return true
		
			m_hWnd = CreateWindowEx(NULL,							// Set the handle
                      L"TEST",													// Our class
                      L"Our First Windowed Program",							// Window title
                      WS_OVERLAPPEDWINDOW,										// Window style
                      300,														// X-position of the window
                      300,														// Y-position of the window
                      500,														// Width of the window
                      400,														// Height of the window
                      NULL,														// Parent Window
                      NULL,														// Menus
                      m_hInst,												// Application Handle
                      NULL);													// Mutliple Windows

			ShowWindow(m_hWnd, nCmdShow);											// Show the Window

			MSG msg;

			while(GetMessage(&msg, NULL, 0, 0))
			{
        
				TranslateMessage(&msg);

				DispatchMessage(&msg);

			}
	};


[/SOURCE]

[SOURCE]
#include "SystemCore.h"
#include <windows.h>
#include <windowsx.h>

int WINAPI WinMain(HINSTANCE hInstance,
                   HINSTANCE hPrevInstance,
                   LPSTR lpCmdLine,
                   int nCmdShow)
{

	DrezSystem::DrezSystem();

	bool DrezSystem::run();

	DrezSystem::~DrezSystem();

}
[/SOURCE]

[SOURCE]
c:\documents and settings\daniel\my documents\engine\systemcore\systemcore\systemcore\systemcore.cpp(77) : error C2065: 'nCmdShow' : undeclared identifier
WinMain.cpp
c:\documents and settings\daniel\my documents\engine\systemcore\systemcore\systemcore\winmain.cpp(13) : error C2761: 'bool DrezSystem::run(void)' : member function redeclaration not allowed
c:\documents and settings\daniel\my documents\engine\systemcore\systemcore\systemcore\winmain.cpp(15) : error C2352: 'DrezSystem::~DrezSystem' : illegal call of non-static member function
        c:\documents and settings\daniel\my documents\engine\systemcore\systemcore\systemcore\systemcore.h(29) : see declaration of 'DrezSystem::~DrezSystem'
[/SOURCE]