在将文本输入到 TextBox 时立即触发 TextChanged 事件 [英] Having TextChanged Event Fire Immediately as Text is Typed into TextBox
本文介绍了在将文本输入到 TextBox 时立即触发 TextChanged 事件的处理方法,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小编来一起学习吧!
问题描述
在具有 TextChanged
事件的 wpf TextBox
上,它似乎仅在焦点从文本框移开时触发;但不是因为输入了单个字符.
On a wpf TextBox
that has an TextChanged
event, it seems to only fires when focus is taken away from the textbox; but not as individual characters are typed in.
是否有一个类似于 TextChanged
的事件在文本框中输入字符时立即触发,而不是在焦点改变时触发?
Is there an event similar to TextChanged
that fires immediately when a character is typed into the textbox, rather than when focus changes?
推荐答案
您可以绑定 Text
属性并使用 UpdateSourceTrigger.
You can bind the Text
property and make use of the UpdateSourceTrigger.
UpdateSourceTrigger=PropertyChanged
通过将其设置为 PropertyChanged
,您将在每次文本更改时收到通知.
By setting it to PropertyChanged
, you will get a notification each and every time the text changes.
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