public override bool Start(IMouseInformation mouseInformation)
{
base.Start(mouseInformation);
if (_graphicBuilder != null)
{
return(_graphicBuilder.Start(mouseInformation));
}
IPresentationImage image = mouseInformation.Tile.PresentationImage;
if (!CanStart(image))
{
return(false);
}
var provider = (IOverlayGraphicsProvider)image;
IControlGraphic graphic = _graphicDelegateCreatorDelegate();
_graphicBuilder = _interactiveGraphicBuilderDelegate(graphic);
_graphicBuilder.GraphicComplete += OnGraphicBuilderInitiallyDone;
_graphicBuilder.GraphicCancelled += OnGraphicBuilderInitiallyDone;
_graphicBuilder.GraphicFinalComplete += OnGraphicFinalComplete;
_graphicBuilder.GraphicFinalCancelled += OnGraphicFinalCancelled;
AddGraphic(image, graphic, provider);
if (_graphicBuilder.Start(mouseInformation))
{
return(true);
}
this.Cancel();
return(false);
}
