private void ImageScroll_PreviewMouseMove(object sender, MouseEventArgs e)
{
var position = e.GetPosition(null);
var difference = _previousPosition - position;
if (e.LeftButton == MouseButtonState.Pressed && DragHelper.IsSignificantDrag(difference))
{
_previousPosition = position;
ImageScroll.ScrollToHorizontalOffset(ImageScroll.HorizontalOffset + difference.X);
ImageScroll.ScrollToVerticalOffset(ImageScroll.VerticalOffset + difference.Y);
}
}
private static void OnPreviewMouseMove(object sender, MouseEventArgs e)
{
var position = e.GetPosition(null);
var difference = _startPosition - position;
if (e.LeftButton == MouseButtonState.Pressed && DragHelper.IsSignificantDrag(difference))
{
var dependencyObject = sender as DependencyObject;
var command = (ICommand)dependencyObject.GetValue(CommandProperty);
//var commandParameter = dependencyObject.GetValue(CommandParameterProperty);
var commandParameter = e.OriginalSource;
command.Execute(commandParameter);
}
}
