Thanks for contacting Syncfusion support.
We have analyzed your requirement and provided suggestions for it.
Suggestion 1 - Verticaloffset through ScrollSetting Property :
We can get the VerticalOffset value through the ScrollSettings property of the SfDiagram. We have provided code example for this.
Code Example :
//Getting VerticalOffset through ScrollSettings Property of SfDiagram
var verticaloffset = Diagram.ScrollSettings.ScrollInfo.VerticalOffset;
//Where Diagram is the instance of SfDiagram
Suggestion 2 – BringIntoCenter and BringIntoView method:
We can bring the newly added node to the center of the view or within the view by using BringIntoCenter and BringIntoView method. We have provided kb document for this. Please refer to the kb from the following link.
We have provided sample for your requirement. Please find the sample through the below link.