Exemple #1
0
        protected internal override void OnMouseLeftButtonDown(object sender, MouseEventArgs e)
        {
            if (_manipulationScope != null)
            {
                return; // don't know if this ever happens, but it should just continue the current manipulation.
            }
            _previousDrawPosition = _documentControl.GetDocumentCoordsAt(e.MouseState.Position);
            _manipulationScope    = _documentControl.Document.Manipulator.BeginManipulation();
            _layerEditAccess      = _manipulationScope.GetLayerEditAccess(_documentControl.ActiveLayerId);

            EraseGlyph(_previousDrawPosition);
        }
Exemple #2
0
        protected internal override void OnMouseLeftButtonUp(object sender, MouseEventArgs e)
        {
            if (_manipulationScope == null)
            {
                return;
            }

            if (_hasDrawn)
            {
                _manipulationScope.Commit();
            }
            _manipulationScope = null;
            _layerEditAccess   = null;
        }