wpf Canvas 限定范围拖动鼠标滚轴改变大小

最新推荐文章于 2024-06-02 11:23:21 发布

原创

最新推荐文章于 2024-06-02 11:23:21 发布 · 6.5k 阅读

4 ·

CC 4.0 BY-SA版权

文章标签：

#wpf #binding #object #path #border #c

本文介绍了如何在WPF中使用Canvas，实现元素在限定范围内拖动及鼠标滚轴调整Canvas大小的功能。通过XAML和C#代码展示了具体的实现方法，涉及到wpf、binding、object、path、border等相关技术。

xaml代码:

<Canvas Name="movBg">
            <Canvas.Background>
                <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
                    <GradientStop Color="White" Offset="0" />
                    <GradientStop Color="#FFF5FF00" Offset="1" />
                </LinearGradientBrush>
            </Canvas.Background>
            <Canvas Canvas.Top="50" Canvas.Left="50"  Height="100" HorizontalAlignment="Left" Name="mov" VerticalAlignment="Top" Width="200" MouseLeftButtonDown="mov_MouseLeftButtonDown" MouseLeftButtonUp="mov_MouseLeftButtonUp" MouseMove="mov_MouseMove" MouseWheel="mov_MouseWheel" MaxWidth="300" MaxHeight="300">
                <Border BorderThickness="1" BorderBrush="Black" Width="{Binding ElementName=mov,Path=Width}" Height="{Binding ElementName=mov,Path=Height}" MaxWidth="{Binding ElementName=mov,Path