winform 使用SplashScreen窗口_splash form has already been displayed

作者：2023面试高手 | 2024-03-25 11:30:33

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splash form has already been displayed

() { CreateInstance(splashFormType); Application.Run(_SplashForm); })); _SplashThread.IsBackground = true; _SplashThread.SetApartmentState(ApartmentState.STA); _SplashThread.Start(); } public static void ChangeTitle(string status) { ChangeFormTextdelegate de = new ChangeFormTextdelegate(ChangeText); _SplashForm.Invoke(de, status); } public static void Close() { if (_SplashThread == null || _SplashForm == null) return;try { _SplashForm.Invoke(new MethodInvoker(_SplashForm.Close)); } catch (Exception) { } _SplashThread = null; _SplashForm = null; } private static void ChangeText(string title) { _SplashForm.Text = title.ToString(); } private static void CreateInstance(Type FormType) { if (_SplashForm == null) { lock (_obj) { object obj = FormType.InvokeMember(null, BindingFlags.DeclaredOnly | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.CreateInstance, null, null, null); _SplashForm = obj as Form; _SplashForm.TopMost = true; _SplashForm.ShowInTaskbar = false; _SplashForm.BringToFront(); _SplashForm.StartPosition = FormStartPosition.CenterScreen; if (_SplashForm == null) {throw (new Exception()); } } } } } }

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