Question

我试图在UserControl中的Viewport3D中使用VisualBrush，当我在Blend for Visual Studio环境中时，一切都很好，它显示了！但是当我调试项目时它根本就不会出现！

我在UserControl中有2个网格（作为页面）和1个Viewport3D对象，我希望当我单击“前进”按钮时，Viewport3D将page1翻转到page2，它在Window中工作正常，但我无法使用它在UserControl中，我的意思是它不会出现。

如果可以，请指导我。

UserControl.cs链接 - ＆gt; Click Here

Answer 1

如果您只是期待将视觉画笔视为漫反射材料

你去吧

<Grid>
    <Grid x:Name="Page1_Grid" HorizontalAlignment="Left" Height="210" VerticalAlignment="Top" Width="216" Visibility="Hidden">
        <Grid x:Name="Page1" HorizontalAlignment="Left" Height="210" VerticalAlignment="Top" Width="216">
            <Border BorderBrush="Black" BorderThickness="1" HorizontalAlignment="Left" Height="190" VerticalAlignment="Top" Width="196" Margin="10,10,0,0" CornerRadius="5" Background="#FFFF9B9B" RenderTransformOrigin="-0.041,0.411">
                <Button x:Name="button" Content="Forward" Margin="9,19,99,130" Click="Button_Click"/>
            </Border>
        </Grid>
    </Grid>
    <Grid x:Name="Page2_Grid" HorizontalAlignment="Left" Height="210" VerticalAlignment="Top" Width="216" Visibility="Hidden" d:IsHidden="True">
        <Grid x:Name="Page2" HorizontalAlignment="Left" Height="210" VerticalAlignment="Top" Width="216">
            <Border BorderBrush="Black" BorderThickness="1" HorizontalAlignment="Left" Height="190" VerticalAlignment="Top" Width="196" Margin="10,10,0,0" CornerRadius="5" Background="#FFFF9B9B" RenderTransformOrigin="-0.041,0.411">
                <Button Content="Back" Margin="9,19,99,130"/>
            </Border>
        </Grid>
    </Grid>
    <Viewport3D HorizontalAlignment="Left" Height="190" VerticalAlignment="Top" Width="196" Margin="10,10,0,0">
        <Viewport3D.Camera>

我在视口之前移动了包含画笔视觉效果的网格，以便在漫反射材质可以拾取之前准备就绪。

在UserControl WPF中的Viewport中使用VisualBrush

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