Related to this question : Adding new map to current project using ArcGIS Pro .NET SDK? , however this question is quite old and not exactly what I am looking for.

I want to create an add-in that loads in specific data, but when loading the data (basically on the onclick() method) I would like to have two maps open in split level view, as with the image below.

This image shows what I would like

Any idea how to make this possible?

1 Answer 1


I had the same problem and I did that:

var firstMapPane = DockManager.DocumentWindows.FirstOrDefault(x => x.Title.Contains(firstMapName));
var secondMapPane = DockManager.DocumentWindows.FirstOrDefault(x => x.Title.Contains(secondMapName));

secondMapPane.Dock(firstMapPane, ActiproSoftware.Windows.Controls.Side.Bottom);
  • Where's the DockManager from?
    – B.Quaink
    Commented Jun 16, 2022 at 14:11

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