有没有办法在 Windows 8 Metro 应用程序中拖放图像。 我正在使用 C# 和 XAML。 以下是我需要的...
最佳答案
当然有。你必须自己控制它,但这很容易。您需要像这样使用一些指针事件:
XAML:
<Grid Background="{StaticResource ApplicationPageBackgroundThemeBrush}" PointerMoved="GridPointerMoved">
<Image x:Name="image1" HorizontalAlignment="Left" Height="100" VerticalAlignment="Top" Width="100" Source="Assets/imageFile.png" PointerPressed="ImagePointerPressed" PointerReleased="ImagePointerReleased"/>
</Grid>
然后在你的 CS 文件中:
Point positionWithinImage;
private void ImagePointerPressed(object sender, PointerRoutedEventArgs e)
{
Debug.WriteLine("Pressed");
holding = true;
positionWithinImage = e.GetCurrentPoint(sender as Image).Position;
}
private void ImagePointerReleased(object sender, PointerRoutedEventArgs e)
{
Debug.WriteLine("Released");
holding = false;
}
bool holding = false;
private void GridPointerMoved(object sender, PointerRoutedEventArgs e)
{
if (holding)
{
var pos = e.GetCurrentPoint(image1.Parent as Grid).Position;
image1.Margin = new Thickness(pos.X - this.positionWithinImage.X, pos.Y - this.positionWithinImage.Y, 0, 0);
}
}
关于c# - 在 Windows 8 Metro App 中拖放图像,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/13000587/