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 class AShape : ElementShape
//{
// //public override GraphicsPath CreatePath(Rectangle bounds)
// //{
// // GraphicsPath path = new GraphicsPath();
// // path.AddString("PcsTec", new FontFamily("Arial"), 0, 50, Point.Empty, StringFormat.GenericTypographic);
// // return path;
// //}
//}
private void radDiagramToolbox1_VisualItemFormatting(object sender, ListViewVisualItemEventArgs e)
{
DiagramListViewDataItem dataItem = e.VisualItem.Data as DiagramListViewDataItem;
if (dataItem != null)
{
if (dataItem.Key == "Image")
{
DiagramListViewVisualItem visual = e.VisualItem as DiagramListViewVisualItem;
visual.Image = Properties.Resources.background_ok;
visual.ImageLayout = ImageLayout.Zoom;
visual.ShapeElement.Opacity = 0;
}
}
}
