private void OnNodeChangedCommand(object obj)
{
var args = obj as ChangeEventArgs <object, NodeChangedEventArgs>;
CustomNodeVM node = args.Item as CustomNodeVM;
if (node != null && node.ParentLane != null && args.NewValue.InteractionState == NodeChangedInteractionState.Dragging)
{
LaneViewModel parentlane = (args.Item as CustomNodeVM).ParentLane as LaneViewModel;
args.BoundaryConstraints = (parentlane.Info as ILaneInfo).Bounds;
}
}
private void InitializeDiagram()
{
//Initialize SwimlaneCollection to SfDiagram
this.Swimlanes = new SwimlaneCollection();
//Creating the SwimlaneViewModel
SwimlaneViewModel swimlane = new SwimlaneViewModel()
{
UnitWidth = 450,
UnitHeight = 420,
OffsetX = 400,
OffsetY = 450,
Orientation = Orientation.Horizontal,
};
LaneViewModel lane1 = new LaneViewModel()
{
UnitHeight = 100,
};
swimlane.Lanes = new LaneCollection()
{
lane1
};
CustomNodeVM node = new CustomNodeVM()
{
UnitHeight = 50, UnitWidth = 50, LaneOffsetX = 100, LaneOffsetY = 30
};
CustomNodeVM node1 = new CustomNodeVM()
{
UnitHeight = 50, UnitWidth = 50, LaneOffsetX = 250, LaneOffsetY = 30
};
(this.Nodes as NodeCollection).Add(node);
(this.Nodes as NodeCollection).Add(node1);
(lane1.Children as LaneChildren).Add(node);
(lane1.Children as LaneChildren).Add(node1);
//Add Swimlane to Swimlanes property of the Diagram
(this.Swimlanes as SwimlaneCollection).Add(swimlane);
}