ZIndex 和 Silverlight [英] ZIndex and silverlight

问题描述

我有一个构成问题主题的图像，我想在它上面放置按钮供用户点击.

I have an image which constitutes the subject of a question and I want to place buttons on top of it for the user to click.

我有一个定位精灵的对象(一个带有变换背景图像的矩形)

I have an object which positions a sprite (a rectangle with a background image which is transformed)

我有一个 ItemsControl，它使用 Margin.left 和 top 来定位按钮.像这样

And I have an ItemsControl which positions the buttons using Margin.left and top. Like so

<Grid x:Name="imageGrid">
        <local:spriteView Canvas.ZIndex="10" x:Name="QuestionImage" Sprite="{Binding QuestionImageSprite}" />
        <local:ImageAnswers Canvas.ZIndex="50" x:Name="AnswersImages" Answers="{Binding answers}"></local:ImageAnswers>
</Grid>

我希望 AnswerImages 直接位于 QuestionImage 之上，但 QuestionImage 将 AnswerImages 向下推并且 AnswerImages 也影响了 QuestionImage 的位置.

I want AnswersImages to be positioned directly on top of QuestionImage but QuestionImage is pushing AnswerImages down and AnswerImages is also affecting the position of QuestionImage.

我如何阻止他们这样做?我可以强制它们绝对定位在 ImageGrid

How do I stop them from doing that? Can I force them to be positioned absolutely within the ImageGrid

推荐答案

删除 Canvas.ZIndex 声明.如果您将它们都放在一个网格中而不指定额外的 Column 和 Row 定义，它们将按照它们在 XAML

Remove the Canvas.ZIndex declarations. If your putting them both in a grid without specifying additional Column and Row definitions they will lay ontop of each other in the order they appear in the XAML

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