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POC# can't see text when updating text box
 

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  1. POC# can't see text when updating text box
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    <p>I was wondering if someone could help me with a little issue I'm having. I'm trying to update a textbox from another class but the text is not showing up on in the textbox even though it is being sent as I have printed it to the screen.</p> <p>The code I'm using is below:</p> <p>Program.cs</p> <pre><code>namespace Search { static class Program { /// &lt;summary&gt; /// The main entry point for the application. /// &lt;/summary&gt; [STAThread] static void Main() { Application.EnableVisualStyles(); try { Application.SetCompatibleTextRenderingDefault(false); } catch (InvalidOperationException e) { } Application.Run(new Form1()); } public static readonly Form1 MainLogWindow = new Form1(); } } </code></pre> <p>HexToASCII:</p> <pre><code>public class HexToASCII { Output o = new Output(); public void hexToAscii(String hex, int textBox) { //Convert the string of HEX to ASCII StringBuilder sb = new StringBuilder(); for (int i = 0; i &lt; hex.Length; i += 2) { string hs = hex.Substring(i, 2); sb.Append(Convert.ToChar(Convert.ToUInt32(hs, 16))); } //Pass the string to be output string convertedHex = sb.ToString(); Program.MainLogWindow.UpdateTextBox(convertedHex); } } </code></pre> <p>Form1:</p> <pre><code> private delegate void NameCallBack(string varText); public void UpdateTextBox(string input) { if (InvokeRequired) { textBox2.BeginInvoke(new NameCallBack(UpdateTextBox), new object[] { input }); } else { textBox2.Text = textBox2.Text + Environment.NewLine + input; } } </code></pre> <p>I have tried to run it using a new thread ThreadStart ts = delegate()... but I'm unable to get the textbox to update. Sorry I'm very new to c#, could someone please explain the issue so I can understand it and learn for next time. Many thanks :)</p>
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    1. PO
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    1. USJames
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      1. POC# can't see text when updating text box
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      1. VTUpMod
    1. CORefresh the text box after setting its value
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      1. POC# can't see text when updating text box
      1. USBeatles1692
    2. COLooks like you have two completely separate instances of `Form1`. Try out following, instead `Application.Run(new Form1());` write `Application.Run(Program.MainLogWindow);`
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      1. POC# can't see text when updating text box
      1. USsll
 

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