/// <summary>
/// Runs a specified application and starts the main loop to update its state.
/// This is the entry point for a given application of type <typeparamref name="T"/>, and it should be
/// called as soon as the process is launched, excluding any other additional initialization needed.
/// <para>To launch an application, simply add this line to the project being used:</para>
/// <c>Win32ApplicationRunner.Run<MyApplication>();</c>
/// </summary>
/// <typeparam name="T">The type of application being launched.</typeparam>
/// <returns>The exit code for the application.</returns>
public static int Run(Win32Application application)
{
Win32ApplicationRunner.application = application;
IntPtr hInstance = FX.GetModuleHandleW(null);
fixed(char *name = Assembly.GetExecutingAssembly().FullName)
fixed(char *windowTitle = application.GetType().ToString())
{
// Initialize the window class
WNDCLASSEXW windowClassEx = new()
{
cbSize = (uint)sizeof(WNDCLASSEXW),
style = FX.CS_HREDRAW | FX.CS_VREDRAW,
lpfnWndProc = &WindowProc,
hInstance = hInstance,
hCursor = FX.LoadCursorW(IntPtr.Zero, FX.MAKEINTRESOURCE(32512)),
lpszClassName = (ushort *)name
};
// Register the window class
_ = FX.RegisterClassExW(&windowClassEx);
Rectangle windowRect = new(0, 0, 1280, 720);
// Set the target window size
_ = FX.AdjustWindowRect((RECT *)&windowRect, FX.WS_OVERLAPPEDWINDOW, FX.FALSE);
uint
height = (uint)(windowRect.Bottom - windowRect.Top),
width = (uint)(windowRect.Right - windowRect.Left);
// Create the window and store a handle to it
hwnd = FX.CreateWindowExW(
0,
windowClassEx.lpszClassName,
(ushort *)windowTitle,
FX.WS_OVERLAPPEDWINDOW,
FX.CW_USEDEFAULT,
FX.CW_USEDEFAULT,
(int)width,
(int)height,
HWND.NULL,
HMENU.NULL,
hInstance,
(void *)GCHandle.ToIntPtr(GCHandle.Alloc(application))
);
MARGINS margins = default;
margins.cxLeftWidth = -1;
margins.cxRightWidth = -1;
margins.cyTopHeight = -1;
margins.cyBottomHeight = -1;
_ = FX.DwmExtendFrameIntoClientArea(hwnd, &margins);
}
// Initialize the application
application.OnInitialize(hwnd);
// Display the window
_ = FX.ShowWindow(hwnd, FX.SW_SHOWDEFAULT);
MSG msg = default;
// Setup the render thread that enables smooth resizing of the window
renderThread = new Thread(static args =>
