如何自动向上滚动texbox中的文本 [英] How to Scroll up the Text in texbox automatically

问题描述

上传文本文件后，在文本框中显示文本.当到达光标的最后一行时，应使用计时器控件自动向上滚动文本.

After upload the Textfile text display in textbox. when reach the cursor last line text should be scroll up automatically using timer control.

public partial class Form1 : Form
  {
      DateTime dt1, dt2;

      public Form1()
      {
          InitializeComponent();
      }

      private void btnLoad_Click(object sender, EventArgs e)
      {
          OpenFileDialog openFile1 = new OpenFileDialog();

          openFile1.Filter = "Text Files|*.txt";
          dt1 = DateTime.Now;


          if (openFile1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
              richTextBox1.LoadFile(openFile1.FileName,
              RichTextBoxStreamType.PlainText);
      }
  }

这是我的代码如何将文本排列起来

[edit]已添加代码块-OriginalGriff [/edit]

here is my code how to scoll the text up

[edit]Code block added - OriginalGriff[/edit]

推荐答案

这是一个解决方案，但您需要从计时器滴答事件中调用send message方法

每次调用以下方法时，它将向上移动一行

Here is a solution but you need to call send message method from your timer tick event

Each time you call following method it will move one line up

SendMessage(richTextBox1.Handle, (uint)0x00B6, (UIntPtr)0, (IntPtr)(-1));

http://stackoverflow. com/questions/205794/如何在c-sharp-richtextbox中一行移动滚动条

http://stackoverflow.com/questions/205794/how-to-move-scroll-bar-up-by-one-line-in-c-sharp-richtextbox

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