WPF SizeChanged 事件不会触发

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时间:2020-09-13 08:52:06  来源:igfitidea点击:

WPF SizeChanged event doesn't fire

c#wpf

提问by iAteABug_And_iLiked_it

This is a bit of a noob question.

这是一个有点菜鸟的问题。

Basically, I have a grid MainGridin my WPF window

基本上,MainGrid我的 WPF 窗口中有一个网格

I'd simply like to be notified when the MainGridis resized ( when user maximizes/resizes the window).

我只想在MainGrid调整大小时收到通知 (当用户最大化/调整窗口大小时)。

This does nothing at the moment. Am I supposed to declare and then add this SizeChanged event earlier before it will work?

目前这没有任何作用。我是否应该在它起作用之前先声明然后添加这个 SizeChanged 事件?

private void MainGrid_SizeChanged(object sender, SizeChangedEventArgs e)
        {
            MyTextBox.Text = "MainGrid resized";
        }

Thank you

谢谢

回答by Rafal

If you have your event in code-behind and this in XAML:

如果您的事件在代码隐藏中并且在 XAML 中:

<Grid SizeChanged="MainGrid_SizeChanged">

it will work.

它会起作用。