缩放控件到 WPF 表单 [英] Zoom control to WPF Form

问题描述

如何为我的 wpf 表单实现类似于 Visual Studio 设计器中可用的缩放控件?

How can I implement a zoom control to my wpf forms similar to the one avaialble in the visual studio designer?

谢谢！

推荐答案

把你的东西放到一个网格中，将网格的缩放渲染变换绑定到一个滑块(滑块的最小值应该为 1):

Put your stuff into a grid, bind the grid's scale render transformation to a slider (slider should have min value of 1):

    <Grid x:Name="LayoutRoot">
        <Grid.RowDefinitions>
            <RowDefinition Height="0.867*"/>
            <RowDefinition Height="0.133*"/>
        </Grid.RowDefinitions>
        <Slider x:Name="slider" Grid.Row="1" Minimum="1"/>
        <Grid RenderTransformOrigin="0.5,0.5">
            <Grid.RenderTransform>
                <TransformGroup>
                    <ScaleTransform 
                    ScaleY="{Binding Path=Value, ElementName=slider}" 
                    ScaleX="{Binding Path=Value, ElementName=slider}"/>
                </TransformGroup>
            </Grid.RenderTransform>
            <TextBox Text="TextBox" Height="45.214"
 VerticalAlignment="Top" Margin="194,139,209,0"/>
            <TextBox VerticalAlignment="Bottom" 
Text="TextBox" Margin="194,0,209,118.254" Height="48.96"/>
        </Grid>
    </Grid>

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