private void DragDropService_PreviewDragDrop(object sender, RadDropEventArgs e)
{
DiagramListViewVisualItem dragItem = e.DragInstance as DiagramListViewVisualItem;
RadDiagramElement dropTarget = e.HitTarget as RadDiagramElement;
if (dragItem != null && dropTarget != null && dragItem.Data.Key == "Image")
{
e.Handled = true;
RadDiagramShape shape = dropTarget.Shapes.Last() as RadDiagramShape;
shape.DiagramShapeElement.Shape = null;
shape.BackColor = Color.Transparent;
try
{
OpenFileDialog open = new OpenFileDialog();
open.Filter = "Image Files(*.jpg; *.jpeg; *.gif; *.bmp)|*.jpg; *.jpeg; *.gif; *.bmp";
if (open.ShowDialog() == DialogResult.OK)
{
Bitmap bit = new Bitmap(open.FileName);
shape.DiagramShapeElement.Image = bit;
}
}
catch (Exception)
{
throw new ApplicationException("Failed loading image");
}
shape.DiagramShapeElement.ImageLayout = dragItem.ImageLayout;
}
;
}
public MyItemInformationAdorner(RadDiagramElement diagram)
{
this.Diagram = diagram;
}