如何选择 Windows 窗体文本框中的所有文本?

How can I select all the text within a Windows Forms textbox?(如何选择 Windows 窗体文本框中的所有文本?)

问题描述

我想选择文本框中的所有文本.

I want to select all the text that is with in text box.

我已经用下面的代码试过了:

I've tried this using the code below:

textBoxResults.SelectionStart = 0;
textBoxResults.SelectionLength = textBoxResults.Text.Length;

来源:我从这里得到这个代码 http://msdn.microsoft.com/en-us/library/vstudio/hk09zy8f(v=vs.100).aspx但由于某种原因，它似乎不起作用.

Source: I got this code from here http://msdn.microsoft.com/en-us/library/vstudio/hk09zy8f(v=vs.100).aspx but for some reason it doesn't seem to work.

推荐答案

您可以为此使用内置方法.

You can use the built in method for this purpose.

textBoxResults.SelectAll();
textBoxResults.Focus(); //you need to call this to show selection if it doesn't has focus

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