wpf 围绕中心旋转图像 [英] wpf rotate image around center
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问题描述
我在一个按钮上有一个图像,当用户点击它时我想旋转它.我几乎有它的工作.单击时图像可以很好地旋转,但不会围绕其中心旋转.
I have an image on a button which I would like to rotate when the user clicks it. I allmost have it to work. The image rotates fine on click, but it doesn't rotate round its center.
如何使图像围绕其中心而不是左上角旋转?
How can I make the image rotate around its center and not the top left corner?
这是我的代码:
<Button Name="btnRefreshPortList"
Grid.Column="1"
Margin="10 0 0 0"
Command="{Binding RefreshPortList}">
<Image Source="Images/refresh.jpg"
Height="15">
<Image.RenderTransform>
<RotateTransform x:Name="AnimatedRotateTransform" Angle="0" />
</Image.RenderTransform>
<Image.Triggers>
<EventTrigger RoutedEvent="MouseDown">
<BeginStoryboard>
<Storyboard>
<DoubleAnimation Storyboard.TargetName="AnimatedRotateTransform"
Storyboard.TargetProperty="Angle"
By="10"
To="360"
Duration="0:0:0.5"
FillBehavior="Stop" />
</Storyboard>
</BeginStoryboard>
</EventTrigger>
</Image.Triggers>
</Image>
</Button>
BR萤火虫3000
推荐答案
只需将图像上的 RenderTransformOrigin
设置为 (0.5, 0.5)
Just set RenderTransformOrigin
to (0.5, 0.5) on the image
<Image Source="Images/refresh.jpg"
RenderTransformOrigin=".5,.5"
Height="15">
...
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