private void OnGraphControlConnectionDragStarted(object sender, ConnectionDragStartedEventArgs e)
{
var sourceConnector = (ConnectorViewModel) e.SourceConnector.DataContext;
var currentDragPoint = Mouse.GetPosition(GraphControl);
var connection = ViewModel.OnConnectionDragStarted(sourceConnector, currentDragPoint);
e.Connection = connection;
}
private void OnConnectorItemDragStarted(object sender, ConnectorItemDragStartedEventArgs e)
{
e.Handled = true;
_draggingSourceConnector = (ConnectorItem)e.OriginalSource;
var eventArgs = new ConnectionDragStartedEventArgs(ConnectionDragStartedEvent, this,
_draggingSourceConnector.ParentElementItem, _draggingSourceConnector);
RaiseEvent(eventArgs);
_draggingConnectionDataContext = eventArgs.Connection;
if (_draggingConnectionDataContext == null)
{
e.Cancel = true;
}
}
private void OnConnectorItemDragStarted(object sender, ConnectorItemDragStartedEventArgs e)
{
e.Handled = true;
_draggingSourceConnector = (ConnectorItem) e.OriginalSource;
var eventArgs = new ConnectionDragStartedEventArgs(ConnectionDragStartedEvent, this,
_draggingSourceConnector.ParentElementItem, _draggingSourceConnector);
RaiseEvent(eventArgs);
_draggingConnectionDataContext = eventArgs.Connection;
if (_draggingConnectionDataContext == null)
e.Cancel = true;
}