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Seems like this should be dead simple. I'm writing an add-in for ArcMap 10 in VB.Net. I need code that will reproduce the 'Selection --> Zoom To Selected Feature' menu option.

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What is causing problems? Add-in or "Zoom to selected"? – MathiasWestin Oct 5 '10 at 14:50
Implementing "Zoom To Selected" inside the Add-in. The Add-in itself is working fine, other than the Zoom To Selected feature. I assumed there would be some VB.Net equivalent to the python code here:… – mwolfe02 Oct 5 '10 at 15:00
up vote 2 down vote accepted

You can call the built-in command for "Zoom to Selected Features" using the CLSID or ProgID.

{AB073B49-DE5E-11D1-AA80-00C04FA37860} esriArcMapUI.ZoomToSelectedCommand

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Awesome. Exactly what I was looking for. I've been wasting my time trying to implement this manually in the code using envelopes, etc. but I really didn't need that level of granular control. I knew there had to be a straightforward way to simply use the existing toolbar commands. Thanks again! – mwolfe02 Oct 5 '10 at 18:55

I had problems implementing the above solutions - the syntax hadn't been updated. This is my solution.

    Dim pUID As New UID
    'set the puid by using the clsid
    'pUID.Value = "{AB073B49-DE5E-11D1-AA80-00C04FA37860}"
    'Put subtype here if there is one.  There isn't in this case so you don't need it.
    'pUID.SubType = 0
    'Used the  ProgID instead.  Easier for someone else to read the code.
    pUID.Value = "esriArcMapUI.ZoomToSelectedCommand"

This was written for an add-in using ArcGIS 10sp2 and Visual Studio 2008.

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       public void ZoomToSelectedFeatures()
        ESRI.ArcGIS.Carto.IActiveView pActiveView;
        ESRI.ArcGIS.Carto.IMap pMap;
        ESRI.ArcGIS.Geodatabase.IEnumFeature pEnumFeature;
        ESRI.ArcGIS.Geodatabase.IFeature pFeature;

        pMap = (IMap)m_hookHelper.FocusMap;
        pEnumFeature = (IEnumFeature)pMap.FeatureSelection;
        pFeature = pEnumFeature.Next();

        ESRI.ArcGIS.Geometry.IEnvelope pEnvelope;
        pEnvelope = new EnvelopeClass();

        while (pFeature != null)
            pFeature = pEnumFeature.Next();

        pEnvelope.Expand(1.2, 1.2, true);
        pActiveView = m_hookHelper.ActiveView;
        pActiveView.Extent = pEnvelope;
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