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Select Layer in TOC using VBA

LopeLorenzo

Hi there!

I am trying to have a layer in the TOC selected by its name. Say I have a layer named "Roads", I would like to have this layer selected in the TOC, but I don't want to check its view, just have it selected (in the same as when you click on a layer and it turns blue and remains selected). Â¿Is it possible?

Thank you!

Here you are a piece of vba:

Dim pDoc As IMxDocument
Set pDoc = ThisDocument
Dim pMapa As IMap
Set pMapa = pDoc.FocusMap
Dim pCapa As ILayer
Set pCapa = pDoc.SelectedLayer

If pCapa Is Nothing Then
MsgBox "No layers selected"
MsgBox pMapa.Layer(0).Name 'First layer name in the TOC
'How do I select this layer?
Else
MsgBox pCapa.Name 'Layer selected
If pCapa.View = False then
pCapa.View = True 'It turn on its view but I would like tu select it
End if
End If

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Accepted answers

HarishDave

Here it goes...

    Dim pDoc As IMxDocument
    Set pDoc = ThisDocument

    Dim pMap As IMap
    Set pMap = pDoc.FocusMap

    pDoc.ContentsView(0).AddToSelectedItems pMap.Layer(0)         ' selects first layer in TOC
    pDoc.ContentsView(0).Refresh (0)      ' Refresh TOC

Cheers.....

All comments

LopeLorenzo

Here it goes...

    Dim pDoc As IMxDocument
    Set pDoc = ThisDocument

    Dim pMap As IMap
    Set pMap = pDoc.FocusMap

    pDoc.ContentsView(0).AddToSelectedItems pMap.Layer(0)         ' selects first layer in TOC
    pDoc.ContentsView(0).Refresh (0)      ' Refresh TOC

Cheers.....

One more question, it would be possible to move the scroll to show you the selected layer (in case you have many layers and you are not seeing de first one)?.

LopeLorenzo

Thank you very much to Neil and HPSoln, you two hitted the spot!

Here I leave you another option I found on internet.

And please, sorry for the delay 😕

Regards!

Sub SelectLayersInDisplayView()

' selects all of the layers in the first data frame in the TOC's display view

    Dim pMxDoc As IMxDocument
    Set pMxDoc = ThisDocument
    Dim pTOC As IContentsView
    Set pTOC = pMxDoc.ContentsView(0) ' Display View

    Dim pMaps As IMaps
    Set pMaps = pMxDoc.Maps
    Dim pMap As IMap

    Dim i As Integer
    Set pMap = pMaps.Item(0) ' first data frame
    Dim pEnumLayer As IEnumLayer
    Set pEnumLayer = pMap.Layers(, False) ' we will not select layers within group layers
    Dim pLayer As ILayer
    Set pLayer = pEnumLayer.Next

    pTOC.RemoveFromSelectedItems pTOC.SelectedItem
    Do While Not pLayer Is Nothing
        pTOC.AddToSelectedItems pLayer
        pTOC.Refresh pLayer
        Set pLayer = pEnumLayer.Next
    Loop

End Sub

Sub SelectDataFrameInSourceView()

' selects the first data frame in the TOC's source view

    Dim pMxDoc As IMxDocument
    Set pMxDoc = ThisDocument
    Dim pTOC As IContentsView
    Set pTOC = pMxDoc.ContentsView(1) ' Source View

    Dim pMaps As IMaps
    Set pMaps = pMxDoc.Maps
    Dim pMap As IMap
    Set pMap = pMaps.Item(0) ' first data frame

    pTOC.SelectedItem = Nothing
    pTOC.SelectedItem = pMap
    pTOC.Refresh pMap
End Sub

HarishDave

NeilClemmons_GISinc

You can select a layer by setting IContentsView::SelectedItem. You can get the contents view reference from IMxDocument::CurrentContentsView.

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