void dragHandle_DragStarted(object sender, DragStartedEventArgs e)
{
for (int i = 0; i < linkStroke.path.Count && linkStrokeAnchor == linkStroke.path.Count; i++)
{
if ((sender as Thumb) == anchors[i])
{
linkStrokeAnchor = i;
}
}
if (linkStrokeAnchor == 0 || linkStrokeAnchor == linkStroke.path.Count - 1)
{
canvas.addAnchorPoints();
string formIdToUpdate = "";
string formId = "";
if (linkStrokeAnchor == 0)
{
formIdToUpdate = linkStroke.from?.formId;
formId = linkStroke.to?.formId;
}
else
{
formIdToUpdate = linkStroke.to?.formId;
formId = linkStroke.from?.formId;
}
if (formIdToUpdate != null)
{
canvas.StrokesDictionary.TryGetValue(formIdToUpdate, out anchoredShapeStrokeToUpdate);
}
if (formId != null)
{
canvas.StrokesDictionary.TryGetValue(formId, out anchoredShapeStroke);
}
}
canvas.isUpdatingLink = true;
}
void dragHandle_DragStarted(object sender,
DragStartedEventArgs e)
{
canvas.addAnchorPoints();
linkPreviewGeom.StartPoint = Mouse.GetPosition(this);
}