停止comboBox的selectedIndexChanged事件触发时，窗体加载 [英] Stop comboBox's selectedIndexChanged event from firing when the form loads

问题描述

我有一个带有 ComboBox 的表单，提供了一个下拉列表。在comboBox的 SelectedIndexChanged事件，我运行一些代码，但我不希望该代码在表单加载时运行。不幸的是，当我加载表单（在我在组合框中选择之前），组合框的 SelectedIndexChanged fires（我认为当组合框 databinding ）。是否有避免此类行为的方法？

I have a form with a ComboBox that provides a dropdownlist. On the comboBox's SelectedIndexChanged event, am running some code, but I don't want that code to run when the form loads. Unfortunately, when I load the form (before I make a selection in the combobox), SelectedIndexChanged of the combobox fires (I think when the combobox is databinding). Is there a way of avoiding such behaviour?

推荐答案

如果您只想在用户更改组合中的选定项目框，那么最好订阅 SelectionChangeCommitted 。

If you want to react only when the user change the selected item in the combo box, then it is better to subscribe to SelectionChangeCommitted.

这篇关于停止comboBox的selectedIndexChanged事件触发时，窗体加载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IT屋！