// overriden methods to move items around the item grid
protected void ItemsMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
// mouse button was clicked
var image = e.Source as Image;
if ((Movable || ItemSellFlag) && image != null && ItemGrid.CaptureMouse())
{
mousePosition = e.GetPosition(ItemCanvas);
prevX = MyGridPositionX(mousePosition);
prevY = MyGridPositionY(mousePosition);
draggedImage = image;
ItemGrid.Children.Remove(draggedImage);
draggedImage.Height = ItemGrid.ActualHeight / 6.0; // convenience rescaling (6 rows in the grid)
draggedImage.Width = ItemGrid.ActualWidth / 5.0;
ItemCanvas.Children.Add(draggedImage);
Canvas.SetLeft(draggedImage, MyCanvasPositionX(mousePosition));
Canvas.SetTop(draggedImage, MyCanvasPositionY(mousePosition));
}
}
