在文本框中添加新行而无需重新填充现有文本C# [英] Adding new line in textbox without repalcing existing text C#

问题描述

如何在C#中按下按钮后在文本框中添加新行而不重新排列现有文本?

How to add new line in textbox without repalcing existing text after pressing a button in C# ?

推荐答案

TextBox1.Text += " learn to use Google";

为了添加新行，首先需要将文本框模式设置为MultiLine.这是一个例子.

In order to add new line, first you need to set the textbox mode to MultiLine. Here is an example.

TextBox1.TextMode = TextBoxMode.MultiLine;
TextBox1.Text = "First Line" + Environment.NewLine + "Second Line";
TextBox1.Text += "\nThird Line\r\nFourth Line";

结果看起来像

一线
第二行
第三行
第四行

The results will look like

First Line
Second Line
Third Line
Fourth Line

您可以使用 StringBuilder [ ^ ]类 AppendLine [

You can use StringBuilder[^] class AppendLine[^] functionality. Look the example at the bottom of the article.

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