你想做 MyCanvas.Children.Clear();
使用以下代码进行测试:
<Grid>
<Canvas Name="MyCanvas"/>
<Button Click="Button_Click" HorizontalAlignment="Right" VerticalAlignment="Bottom" Width="200" Content="Clear"/>
</Grid>
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和
public MainWindow()
{
InitializeComponent();
MyCanvas.Children.Add(new TextBlock() { Text = "Foo" });
}
private void Button_Click(object sender, RoutedEventArgs e)
{
MyCanvas.Children.Clear();
}
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