如何做到在XAML计算，而绑定？ [英] How to do calculation in xaml while binding?

问题描述

我可以绑定一个标签，一个滑块，如下所示：

I can bind a label to a slider as shown below:

<Label Name="lblTest" Content="{Binding ElementName=slider1, Path=Value}"/>

如何绑定另一个标签用的，比如显示值，滑块的价值的30％，同样的滑盖的？我该怎么做在XAML，而不是在我的code计算？谢谢你。

How do I bind another label to the same slider with display value of, say, 30% of the value of slider? How do I do the calculation in xaml and not in my code? Thanks.

推荐答案

您不能做在XAML计算，可以适用，但有些<一个href=\"http://msdn.microsoft.com/en-us/library/system.windows.data.binding.converter.aspx\">converter它会为你。

You cannot do the calculation in XAML, you could however apply some converter which does it for you.

此问题可能是相关的：<一href=\"http://stackoverflow.com/questions/4969600/how-do-you-change-a-bound-value-reverse-it-multiply-it-subtract-from-it-or-ad\">How你更改绑定值，扭转它，繁衍，从失败中加上或减去呢？

This question might be relevant: How do you change a bound value, reverse it, multiply it, subtract from it or add to it?

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