如何动态改变BackgroundColor的资源? [英] How to dynamically change resource of BackgroundColor?
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问题描述
我有以下控制权.我想更改某些事件触发器的背景颜色.我想将此 clrGray
资源作为某些事件点击的颜色.
I have following control. I want to change background color on some event trigger. I want to make this clrGray
resource as color on some event click.
我尝试过以下方法,但没有用:(
I have tried by following way but it didn't work :(
XAM:
<local:RoundedFrame x:Name="MyFrame1" HeightRequest="16" IsVisible="True" BackgroundColor="{DynamicResource clrGreen}">
CS:
//On Some event
//Not working
MyFrame1.SetDynamicResource(MyFrame1.BackgroundColor, "clrGreen");
推荐答案
使用 Xamarin.Forms 动态资源.以下是 Xamarin 文档的链接:
Use Xamarin.Forms dynamic resources. Below is a link to the Xamarin documentation:
https://developer.xamarin.com/指南/xamarin-forms/user-interface/styles/dynamic/
它们非常易于使用/实施,并且完全符合您的要求.
They are very easy to use/implement, and do exactly what you want.
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