RichTextBox 为所选行设置颜色

发布于 2024-07-14 05:32:41 字数 351 浏览 2 评论 0原文

我是 Windows 窗体新手。我正在使用 VS 2008，C# 编写一个 RichTextBox。我希望在写入 RichTextBox 时能够使用不同的颜色为每行着色。有人可以给我指点样品吗？谢谢

foreach (string file in myfiles)
{
  // As I process my files
  // richTextBox1.Text += "My processing results";
  if(file == "somefileName")
  {
    // Color above entered line or enter new colored line
  }

}

原文

I am new to windows Forms. I am using VS 2008, C# to write a RichTextBox.
I want to be able to color each line with a different color as I write to the RichTextBox. Can someone point me to samples.
Thanks

foreach (string file in myfiles)
{
  // As I process my files
  // richTextBox1.Text += "My processing results";
  if(file == "somefileName")
  {
    // Color above entered line or enter new colored line
  }

}

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伴我老 2024-07-21 05:32:41

在追加之前设置 SelectionColor，例如：

    int line = 0;
    foreach (string file in myfiles)
    {
        // Whatever method you want to choose a color, here
        // I'm just alternating between red and blue
        richTextBox1.SelectionColor = 
            line % 2 == 0 ? Color.Red : Color.Blue;

        // AppendText is better than rtb.Text += ...
        richTextBox1.AppendText(file + "\r\n");
        line++;
    }

Set SelectionColor before you append, something like:

    int line = 0;
    foreach (string file in myfiles)
    {
        // Whatever method you want to choose a color, here
        // I'm just alternating between red and blue
        richTextBox1.SelectionColor = 
            line % 2 == 0 ? Color.Red : Color.Blue;

        // AppendText is better than rtb.Text += ...
        richTextBox1.AppendText(file + "\r\n");
        line++;
    }

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