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ArcGIS Snapping environment

prasadprasad

Hi All

Anybody knows is there any way to check or uncheck the vertex or edge or End checkboxe's for a particular layer in ArcGIS snapping environment program-metrically (.NET)

Please find the attached image for more info

Rega
prasad

SnappingEnv.GIF

DeleteFolderError.JPG

Zelong_0-1763153892036.png

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Accepted answers

Anonymous User

Be careful when using .ClearSnapAgents as it will delete them all which might not be what you want.
The other way to get the featuresnapagent for a layer is to loop through all agents (ISnapEnvironment.SnapAgentCount) then find the one you want by name.

Dont forget to refresh the snapping window after you have changed the snapagent properties.

//refresh snap window UID extUid = new UIDClass(); extUid.Value = "esriEditor.SnappingWindow"; ISnappingWindow snapWindow = _editor.FindExtension(extUid) as ISnappingWindow; snapWindow.RefreshContents();

All comments

prasadprasad

Be careful when using .ClearSnapAgents as it will delete them all which might not be what you want.
The other way to get the featuresnapagent for a layer is to loop through all agents (ISnapEnvironment.SnapAgentCount) then find the one you want by name.

Dont forget to refresh the snapping window after you have changed the snapagent properties.
//refresh snap window
UID extUid = new UIDClass();
extUid.Value = "esriEditor.SnappingWindow";
ISnappingWindow snapWindow = _editor.FindExtension(extUid) as ISnappingWindow;
snapWindow.RefreshContents();

Yes It worked thank you

Anonymous User

//refresh snap window UID extUid = new UIDClass(); extUid.Value = "esriEditor.SnappingWindow"; ISnappingWindow snapWindow = _editor.FindExtension(extUid) as ISnappingWindow; snapWindow.RefreshContents();

prasadprasad

Use IFeatureSnapAgent2.HitType.

Hi Neil
Thank you very much for your reply
I am using following code as i am using ArcGIS 9.1 instead of using IFeatureSnapAgent2 i am using IFeatureSnapAgent but i doesn't check the vertex checkbox

Please highlight if i am doing anything wrong

Try
            ' Dim pID As New ESRI.ArcGIS.esriSystem.UID
            Dim pApp As IApplication
            Dim pEditor As IEditor
            Dim pSnapEnv As ISnapEnvironment
            Dim pFeatSnap As IFeatureSnapAgent
            Dim pEditLayers As IEditLayers

            'pID = "esriEditor.Editor"
            pApp = m_App
            pEditor = m_App.FindExtensionByName("ESRI Object Editor")
            pEditLayers = pEditor 'QI
            pSnapEnv = pEditor 'QI
            Dim pCount As Integer = pSnapEnv.SnapAgentCount
            Dim p_WorkSpace As IWorkspace = pEditor.EditWorkspace

            Dim pFeatWorkspace As IFeatureWorkspace = p_WorkSpace
            Dim pFeaturecass As IFeatureClass = pFeatWorkspace.OpenFeatureClass("TestFC")
            pSnapEnv.ClearSnapAgents() 'clear all existing snap agents
            pFeatSnap = New FeatureSnap 'create a new feature snap agent
            pFeatSnap.FeatureClass = pFeaturecass
            'pFeatSnap.HitType = ESRI.ArcGIS.Geometry.esriGeometryHitPartType.esriGeometryPartEndpoint
            pFeatSnap.HitType = ESRI.ArcGIS.Geometry.esriGeometryHitPartType.esriGeometryPartVertex

            pSnapEnv.AddSnapAgent(pFeatSnap)


        Catch ex As Exception

        End Try

NeilClemmons_GISinc

Use IFeatureSnapAgent2.HitType.

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