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April 22, 2026 16:50
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最标称的 csharp win32 窗口
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| using System; | |
| using System.Runtime.InteropServices; | |
| using Windows.Win32; | |
| using Windows.Win32.Foundation; | |
| using Windows.Win32.Graphics.Gdi; | |
| using Windows.Win32.UI.WindowsAndMessaging; | |
| internal static unsafe class App | |
| { | |
| private const string ClassName = "AppCoreApplication_MainWnd"; | |
| private const string WindowTitle = "AppCoreApplication"; | |
| // 保持 WndProc 委托存活，避免被 GC 回收导致 native 回调时崩溃。 | |
| private static readonly WNDPROC s_wndProc = WndProc; | |
| [STAThread] | |
| private static int Main() | |
| { | |
| using var hModule = PInvoke.GetModuleHandle((string?)null); | |
| fixed (char* pClassName = ClassName) | |
| { | |
| WNDCLASSEXW wc = new() | |
| { | |
| cbSize = (uint)Marshal.SizeOf<WNDCLASSEXW>(), | |
| lpfnWndProc = s_wndProc, | |
| hInstance = (HINSTANCE)hModule.DangerousGetHandle(), | |
| hCursor = PInvoke.LoadCursor(default, PInvoke.IDC_ARROW), | |
| hbrBackground = (HBRUSH)(IntPtr)(COLOR_WINDOW + 1), | |
| lpszClassName = pClassName, | |
| }; | |
| if (PInvoke.RegisterClassEx(in wc) == 0) | |
| { | |
| return Marshal.GetLastPInvokeError(); | |
| } | |
| } | |
| HWND hwnd = PInvoke.CreateWindowEx( | |
| dwExStyle: 0, | |
| lpClassName: ClassName, | |
| lpWindowName: WindowTitle, | |
| dwStyle: WINDOW_STYLE.WS_OVERLAPPEDWINDOW, | |
| X: PInvoke.CW_USEDEFAULT, | |
| Y: PInvoke.CW_USEDEFAULT, | |
| nWidth: PInvoke.CW_USEDEFAULT, | |
| nHeight: PInvoke.CW_USEDEFAULT, | |
| hWndParent: default, | |
| hMenu: default, | |
| hInstance: hModule, | |
| lpParam: null); | |
| if (hwnd.IsNull) | |
| { | |
| return Marshal.GetLastPInvokeError(); | |
| } | |
| PInvoke.ShowWindow(hwnd, SHOW_WINDOW_CMD.SW_SHOW); | |
| PInvoke.UpdateWindow(hwnd); | |
| MSG msg; | |
| while (PInvoke.GetMessage(out msg, default, 0, 0).Value > 0) | |
| { | |
| PInvoke.TranslateMessage(in msg); | |
| PInvoke.DispatchMessage(in msg); | |
| } | |
| return (int)msg.wParam.Value; | |
| } | |
| private static LRESULT WndProc(HWND hwnd, uint msg, WPARAM wParam, LPARAM lParam) | |
| { | |
| switch (msg) | |
| { | |
| case PInvoke.WM_DESTROY: | |
| PInvoke.PostQuitMessage(0); | |
| return default; | |
| } | |
| return PInvoke.DefWindowProc(hwnd, msg, wParam, lParam); | |
| } | |
| private const int COLOR_WINDOW = 5; | |
| } |
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| RegisterClassExW | |
| CreateWindowExW | |
| DefWindowProcW | |
| ShowWindow | |
| UpdateWindow | |
| GetMessageW | |
| TranslateMessage | |
| DispatchMessageW | |
| PostQuitMessage | |
| LoadCursorW | |
| GetModuleHandleW | |
| IDC_ARROW | |
| CW_USEDEFAULT | |
| WM_DESTROY | |
| HBRUSH |
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cswin32 ping string 到 PCWSTR 必须要 fixed unsafe code 别想了