/// <summary>
/// Create and determine the appearance of a large handle around an object.
/// </summary>
/// <param name="obj"></param>
/// <param name="selectedObj"></param>
/// <returns></returns>
/// <remarks>
/// This method uses <see cref="M:Northwoods.Go.GoObject.CreateBoundingHandle" /> to
/// actually allocate the handle and to set the size and location of the
/// handle, as determined by the bounding rectangle of <paramref name="obj" />.
/// The pen of the handle is determined by
/// <see cref="P:Northwoods.Go.GoView.PrimarySelectionColor" /> and
/// <see cref="P:Northwoods.Go.GoView.SecondarySelectionColor" />; the brush is set to null.
/// The new handle is associated with the <paramref name="obj" /> and its
/// <see cref="P:Northwoods.Go.IGoHandle.SelectedObject" /> property is set to
/// <paramref name="selectedObj" />.
/// </remarks>
/// <seealso cref="M:Northwoods.Go.GoSelection.CreateResizeHandle(Northwoods.Go.GoObject,Northwoods.Go.GoObject,System.Drawing.PointF,System.Int32,System.Boolean)" />
public virtual IGoHandle CreateBoundingHandle(GoObject obj, GoObject selectedObj)
{
IGoHandle goHandle = obj.CreateBoundingHandle();
if (goHandle == null)
{
return(null);
}
goHandle.SelectedObject = selectedObj;
GoObject goObject = goHandle.GoObject;
if (goObject == null)
{
return(null);
}
goObject.Selectable = false;
GoShape goShape = goObject as GoShape;
if (goShape != null)
{
Color color = Color.LightGray;
GoView view = View;
if (view != null)
{
color = ((!Focused) ? view.NoFocusSelectionColor : ((Primary == null || Primary.SelectionObject != obj) ? view.SecondarySelectionColor : view.PrimarySelectionColor));
}
float boundingHandlePenWidth = view.BoundingHandlePenWidth;
float num = (boundingHandlePenWidth == 0f) ? 0f : (boundingHandlePenWidth / view.WorldScale.Width);
if (myBoundingHandlePen == null || GoShape.GetPenColor(myBoundingHandlePen, color) != color || GoShape.GetPenWidth(myBoundingHandlePen) != num)
{
myBoundingHandlePen = GoShape.NewPen(color, num);
}
goShape.Pen = myBoundingHandlePen;
goShape.Brush = null;
}
AddHandle(obj, goHandle);
return(goHandle);
}
