WPF Drag and Drop [Form WPF编程宝典]

最新推荐文章于 2025-09-18 21:11:29 发布

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最新推荐文章于 2025-09-18 21:11:29 发布 · 246 阅读

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本文深入探讨了WPF中的拖放(Drag and Drop)功能，详细解释了如何在WPF应用中实现元素的拖放操作，包括设置数据源、处理拖放事件以及自定义视觉反馈等关键步骤。通过实例代码展示，帮助开发者更好地理解和应用WPF拖放功能。

<Window x:Class="RoutedEvents.DragAndDrop"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="DragAndDrop" Height="257.6" Width="392.8"
    >
  <Grid Margin="5">
    <Grid.RowDefinitions>
      <RowDefinition></RowDefinition>
      <RowDefinition></RowDefinition>
    </Grid.RowDefinitions>
    <Grid.ColumnDefinitions>
      <ColumnDefinition></ColumnDefinition>
      <ColumnDefinition></ColumnDefinition>
    </Grid.ColumnDefinitions>
    <TextBox Padding="10" VerticalAlignment="Center" HorizontalAlignment="Center">Drag from this TextBox</TextBox>
    <Label Grid.Column="1" Padding="20" Background="LightGoldenrodYellow" 
           VerticalAlignment="Center"  HorizontalAlignment="Center"
           MouseDown="lblSource_MouseDown">Or this Label</Label>
    <Lab