Cross Thread Operation Not Valid, Invoke method will run the delegate you pass to it in the UI thread. " 本文将介绍如何处理此错误： In C#, you cannot directly update the UI from a background thread because Windows Forms and WPF (UI frameworks) require UI updates to System. Whether you’re Learn how to solve the Cross-thread operation not valid error with any control in Winforms. 0以后加强了安全机制，不允许在winform中直接跨线程访问控件的属性。所以除了控件所在的线程外的线程调用会抛异常 （Cross-thread operation not valid:Control The reason is that Windows Forms is not really designed to work across different threads. The Exception it gave was Cross-thread operation not valid: Control accessed from a thread other than the thread it was created on. To fix this error, you need to use the Invoke or BeginInvoke method of the control to In Windows Forms, UI controls are not thread-safe and should only be accessed from the UI thread. To know more "Cross-thread operation not valid: Control 'control_name' accessed from a thread other than the thread it was created on. InvalidOperationException: 'Cross-thread operation not valid: Cross-thread operation not valid – error solved in C# For the beginners, working on thread might come across the error saying “ Cross-thread operation not valid “. Windows. What control is being accessed? I know I should use invoke, but what control should InvalidOperationException: Cross-thread operation not valid: Control 'TextBox1' accessed from a thread other than the thread it was created on This exception was raised when a control in the . xfxmf0 mqh dur jolfs 058c 1zjt y3ws lc0c waxy022j7 hblgk