/// <summary>
/// Draw the rubberband.
/// </summary>
/// <param name="e"></param>
/// <param name="control"></param>
public static void DrawOnMouseMove(MouseEventArgs e, DiagramDesignerCanvas control)
{
if (IgnoreRubberbandSelectionOnce)
{
IgnoreRubberbandSelectionOnce = false;
CancelRubberbandSelection();
return;
}
if (RubberbandSelectionStartPoint.HasValue)
{
// if mouse button is not pressed we have no drag operation, ...
if (e.LeftButton != MouseButtonState.Pressed)
RubberbandSelectionStartPoint = null;
// ... but if mouse button is pressed and start
// point value is set we do have one
else
{
Point pCurrent = e.GetPosition(control);
if (Math.Abs(pCurrent.X - RubberbandSelectionStartPoint.Value.X) > 5 ||
Math.Abs(pCurrent.Y - RubberbandSelectionStartPoint.Value.Y) > 5)
{
// create rubberband adorner
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(control);
if (adornerLayer != null)
{
DiagramDesignerRubberbandAdorner adorner = new DiagramDesignerRubberbandAdorner(control, RubberbandSelectionStartPoint);
if (adorner != null)
{
adornerLayer.Add(adorner);
}
}
}
}
}
}
/// <summary>
/// Draw the rubberband.
/// </summary>
/// <param name="e"></param>
/// <param name="control"></param>
public static void DrawOnMouseMove(MouseEventArgs e, DiagramDesignerCanvas control)
{
if (IgnoreRubberbandSelectionOnce)
{
IgnoreRubberbandSelectionOnce = false;
CancelRubberbandSelection();
return;
}
if (RubberbandSelectionStartPoint.HasValue)
{
// if mouse button is not pressed we have no drag operation, ...
if (e.LeftButton != MouseButtonState.Pressed)
{
RubberbandSelectionStartPoint = null;
}
// ... but if mouse button is pressed and start
// point value is set we do have one
else
{
Point pCurrent = e.GetPosition(control);
if (Math.Abs(pCurrent.X - RubberbandSelectionStartPoint.Value.X) > 5 ||
Math.Abs(pCurrent.Y - RubberbandSelectionStartPoint.Value.Y) > 5)
{
// create rubberband adorner
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(control);
if (adornerLayer != null)
{
DiagramDesignerRubberbandAdorner adorner = new DiagramDesignerRubberbandAdorner(control, RubberbandSelectionStartPoint);
if (adorner != null)
{
adornerLayer.Add(adorner);
}
}
}
}
}
}
