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      2. 如何在 C# 中的列表框中插入复选框?

        时间:2023-10-07

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                • 本文介绍了如何在 C# 中的列表框中插入复选框?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                  问题描述

                  我想要一个代码在 c 语言的列表框中插入一个复选框.在选中复选框时,列表框中的所有项目都必须被选中.

                  I want a code to insert a checkbox inside a listbox in c sharp. on selecting the checkbox all the items in listbox must get selected.

                  推荐答案

                  您可以使用 CheckListBox 显示一个列表,每个项目旁边都有一个复选框.

                  You can use a CheckListBox to display a list with a check box next to each item.

                  但是要制作一个选择列表中所有内容的复选框,它必须在列表框之外(在它的上方或下方或旁边).然后你可以使用如下代码:

                  But to make a single checkbox that selects everything in a list, it must be outside the list box (above or below or beside it). Then you can use code like:

                  public void SelectAllCheckBox_CheckedChanged(object s, EventArgs e) 
                  {
                      foreach (var item in ListBox1.Items) 
                      {
                          item.Selected = SelectAllCheckBox.Checked;
                      }
                  }
                  

                  列表中没有任何控件具有单个复选框:例如,这就是您的意思:

                  There is no control that has a single check box inside a list: eg this is what you mean:

                  +----------------------------------------+
                  | [x] Select All                         |
                  | Item one                               |
                  | Item two                               |
                  | Item three                             |
                  | Item four                              |
                  | Item five                              |
                  +----------------------------------------+
                  

                  相反,您必须使用两个控件:一个复选框和一个单独的列表框:

                  Instead you must use two controls: a checkbox and a separate list box:

                  [x] Select All                         
                  
                  +----------------------------------------+
                  | Item one                               |
                  | Item two                               |
                  | Item three                             |
                  | Item four                              |
                  | Item five                              |
                  +----------------------------------------+
                  

                  这篇关于如何在 C# 中的列表框中插入复选框?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

                  上一篇:获取 ListBoxItem 的索引 - WPF 下一篇:如何在 WinForms ListBox 上设置多个选定项

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