在UWP中实现InkCanvas和Canvas之间的切换可以通过以下步骤完成:
<Grid>
<InkCanvas x:Name="inkCanvas" />
<Canvas x:Name="canvas" Visibility="Collapsed" />
</Grid>
private void SwitchButton_Click(object sender, RoutedEventArgs e)
{
if (inkCanvas.Visibility == Visibility.Visible)
{
// 切换到Canvas
inkCanvas.Visibility = Visibility.Collapsed;
canvas.Visibility = Visibility.Visible;
}
else
{
// 切换到InkCanvas
canvas.Visibility = Visibility.Collapsed;
inkCanvas.Visibility = Visibility.Visible;
}
}
private void SwitchButton_Click(object sender, RoutedEventArgs e)
{
if (inkCanvas.Visibility == Visibility.Visible)
{
// 保存InkCanvas的绘图数据
var inkData = inkCanvas.InkPresenter.StrokeContainer.GetStrokes();
// 切换到Canvas
inkCanvas.Visibility = Visibility.Collapsed;
canvas.Visibility = Visibility.Visible;
// 在Canvas中加载绘图数据
foreach (var stroke in inkData)
{
// 将stroke添加到canvas中
canvas.Children.Add(stroke);
}
}
else
{
// 在Canvas中保存绘图数据
var inkData = new List<InkStroke>();
foreach (var child in canvas.Children)
{
if (child is InkStroke stroke)
{
inkData.Add(stroke);
}
}
// 清空Canvas
canvas.Children.Clear();
// 切换到InkCanvas
canvas.Visibility = Visibility.Collapsed;
inkCanvas.Visibility = Visibility.Visible;
// 在InkCanvas中加载绘图数据
inkCanvas.InkPresenter.StrokeContainer.AddStrokes(inkData);
}
}
这样,你就可以通过点击一个按钮或其他交互方式,在InkCanvas和Canvas之间进行切换。在切换时,你可以根据需要保存或加载绘图数据。请注意,这只是一个简单的示例,你可以根据实际需求进行修改和扩展。
关于UWP开发和InkCanvas的更多信息,你可以参考腾讯云的官方文档:
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