WebC# 从另一个线程附加到textbox,c#,multithreading,winforms,invoke,C#,Multithreading,Winforms,Invoke,我有一个有许多选项卡的表单,我想在同一时间从多个线程写入它们 (UI BackGroundWorker等) 我已经编写了这段代码,它正在主选项卡上工作(应用程序启动时可见的选项卡) … WebNov 18, 2024 · If you're using WinForms and you want to execute something on the UI thread, you need to call either Invoke or BeginInvoke on some control (be it a Button or a Form or whatever) that was created on that thread. You'll need …
winforms - How to call an event manually in C#? - Stack Overflow
WebActually, if the code that fires the event is in the method of a subclass of Control, you can use InvokeOnClick like so: InvokeOnClick (control, new EventArgs ()). Note that it is a protected instance method ( that doesn't use this) instead of a public static method as one might expect. – Andres Riofrio Feb 10, 2016 at 18:41 Add a comment 4 WebOct 1, 2010 · If you REALLY need to call an event manually, you can get the backing delegate, which is usually private. Use a .NET decompiler (such as ILSPY) to locate the Event's backing field, then use reflection to get the backing delegate. Decompile the BackgroundWorker class in ILSpy, and you see this: public event DoWorkEventHandler … even wash meaning
c# - Must I Invoke() to show dialog or MessageBox from a thread ...
WebJan 25, 2024 · Open Visual Studio. On the start window, choose Create a new project.. On the Create a new project window, choose the Windows Forms App (.NET Framework) template for C#. (If you prefer, you can … WebApr 8, 2024 · cbx_StopBits为lable文字"停止位" 后对应控件命名. cbx_Parity为labl文字"校验位" 后对应控件命名. btn_StartComm为"打开串口(关闭串口)"按钮命名. Senddatademo为"指令1"按钮命名. textBox1为打印区域控件命名. using System; using System.IO.Ports; using System.Threading; using System.Windows.Forms ... WebApr 23, 2009 · this.Invoke (new Action ( () => this.DoSomething (param1, param2))); or even this.Invoke (new Func ( () => this.DoSomething (param1, param2))); where the first option is the best one, because MethodInvoker is concepted for that purposes and has a better performance. Share Improve this answer Follow edited May 2, 2012 at … even walls fall down song