private void networkControl_QueryConnectionFeedback(object sender, QueryConnectionFeedbackEventArgs e)
{
var draggedOutConnector = (ConnectorViewModel)e.ConnectorDraggedOut;
var draggedOverConnector = (ConnectorViewModel)e.DraggedOverConnector;
object feedbackIndicator;
bool connectionOk;
ViewModel.QueryConnnectionFeedback(draggedOutConnector, draggedOverConnector, out feedbackIndicator, out connectionOk);
e.FeedbackIndicator = feedbackIndicator;
e.ConnectionOk = connectionOk;
}
/// <summary>
/// Event raised, to query for feedback, while the user is dragging a connection.
/// </summary>
private void networkControl_QueryConnectionFeedback(object sender, QueryConnectionFeedbackEventArgs e)
{
ConnectorViewModel draggedOutConnector = (ConnectorViewModel)e.ConnectorDraggedOut;
ConnectorViewModel draggedOverConnector = (ConnectorViewModel)e.DraggedOverConnector;
object feedbackIndicator = null;
bool connectionOk = true;
ViewModel.QueryConnnectionFeedback(draggedOutConnector, draggedOverConnector, out feedbackIndicator, out connectionOk);
// Return the feedback object to NetworkView.
// The object combined with the data-template for it will be used to create a 'feedback icon' to
// display (in an adorner) to the user.
e.FeedbackIndicator = feedbackIndicator;
// Let NetworkView know if the connection is ok or not ok.
e.ConnectionOk = connectionOk;
}
