Create a Win32 Window from console

windowcontext.cpp

#include <iostream>
#include <windows.h>

LRESULT __stdcall WindowProcedure(HWND window, UINT msg, WPARAM wp, LPARAM lp)
{
	switch (msg)
	{
	case WM_DESTROY:
		std::cout << "\ndestroying window\n";
		PostQuitMessage(0);
		return 0L;
	case WM_LBUTTONDOWN:
		// fall thru
	default:
		return DefWindowProc(window, msg, wp, lp);
	}
}

int main()
{
	const auto myclass = L"myclass";
	WNDCLASSEX wndclass = { sizeof(WNDCLASSEX), CS_DBLCLKS, WindowProcedure,
	0, 0, GetModuleHandle(0), LoadIcon(0,IDI_APPLICATION),
	LoadCursor(0,IDC_ARROW), HBRUSH(COLOR_WINDOW + 1),
	0, myclass, LoadIcon(0,IDI_APPLICATION) };
	if (RegisterClassEx(&wndclass))
	{
		HWND window = CreateWindowEx(0, myclass, L"title",
			WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT,
			CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, GetModuleHandle(0), 0);

		if (window)
		{
			ShowWindow(window, SW_SHOWDEFAULT);
			MSG msg;
			while (GetMessage(&msg, 0, 0, 0)) DispatchMessage(&msg);
		}
	}
}