#include <windows.h>

LRESULT CALLBACK WndProcedure(HWND hWnd, UINT uMsg,
							  WPARAM wParam, LPARAM lParam);

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd )
{
	MSG Msg;
	HWND hWnd;
	HRESULT hResult;
	WNDCLASSEX WndClsEx;

	// Populate the WNDCLASSEX structure
	WndClsEx.cbSize = sizeof(WNDCLASSEX);
	WndClsEx.style = CS_VREDRAW | CS_HREDRAW;
	WndClsEx.lpfnWndProc = WndProcedure;
	WndClsEx.cbClsExtra = 0;
	WndClsEx.cbWndExtra = 0;
	WndClsEx.hIcon = LoadIcon(NULL, IDI_APPLICATION);
	WndClsEx.hCursor = LoadCursor(NULL, IDC_ARROW);
	WndClsEx.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
	WndClsEx.lpszMenuName = NULL;
	WndClsEx.lpszClassName = "TEST";
	WndClsEx.hInstance = hInstance;
	WndClsEx.hIconSm = LoadIcon(NULL, IDI_APPLICATION);

	// Register the class
	RegisterClassEx(&WndClsEx);

	// Create the window object
	hWnd = CreateWindow("TEST", "TEST", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, hInstance, NULL);

	// Verify window creation
	if(!hWnd) // If the window was not created,
		return 0; // stop the application

	// Show the window
	ShowWindow(hWnd, SW_SHOWNORMAL);
	UpdateWindow(hWnd);

	// Message Pump
	while((hResult = GetMessage(&Msg, NULL, 0, 0)) != 0)
	{
		if(hResult == -1)
		{
			// handle the error and possible exit
		}
		else
		{
			TranslateMessage(&Msg);
			DispatchMessage(&Msg);
		}
	}
}

LRESULT CALLBACK WndProcedure(HWND hWnd, UINT Msg,
							  WPARAM wParam, LPARAM lParam)
{
	switch(Msg)
	{
	case WM_DESTROY:
		// user wants to exit
		PostQuitMessage(WM_QUIT);
		break;
	default:
		// Hand off unprocessed messages to DefWindowProc
		return DefWindowProc(hWnd, Msg, wParam, lParam);
	}
}