Support for https://www.youtube.com/watch?v=x_W235wKUVU

test_win32_window.cpp

#include <windows.h>

LRESULT CALLBACK WindowProcessMessages(HWND hwnd, UINT msg, WPARAM param, LPARAM lparam);

int WINAPI WinMain(HINSTANCE currentInstance, HINSTANCE previousInstance, PSTR cmdLine, INT cmdCount) {
	// Register the window class
	const char *CLASS_NAME = "myWin32WindowClass";
	WNDCLASS wc{};
	wc.hInstance = currentInstance;
	wc.lpszClassName = CLASS_NAME;
	wc.hCursor = LoadCursor(nullptr, IDC_ARROW);
	wc.hbrBackground = (HBRUSH)COLOR_WINDOW;
	wc.lpfnWndProc = WindowProcessMessages;
	RegisterClass(&wc);

	// Create the window
	CreateWindow(CLASS_NAME, "Win32 Tutorial",
		WS_OVERLAPPEDWINDOW | WS_VISIBLE,			// Window style
		CW_USEDEFAULT, CW_USEDEFAULT,				// Window initial position
		800, 600,						// Window size
		nullptr, nullptr, nullptr, nullptr);
	
	// Window loop
	MSG msg{};
	while (GetMessage(&msg, nullptr, 0, 0)) {
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}

	return 0;
}

LRESULT CALLBACK WindowProcessMessages(HWND hwnd, UINT msg, WPARAM param, LPARAM lparam) {
	switch (msg) {
	case WM_DESTROY:
		PostQuitMessage(0);
		return 0;
	default:
		return DefWindowProc(hwnd, msg, param, lparam);
	}
}