WorkbookBase.LinkInfo(String, XlLinkInfo, Object, Object) Method

Reference

Definition

Namespace:: Microsoft.Office.Tools.Excel

Assembly:: Microsoft.Office.Tools.Excel.v4.0.Utilities.dll

Important

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Gets the link date and update status.

public object LinkInfo (string name, Microsoft.Office.Interop.Excel.XlLinkInfo linkInfoArgument, object type, object editionRef);

member this.LinkInfo : string * Microsoft.Office.Interop.Excel.XlLinkInfo * obj * obj -> obj

Public Function LinkInfo (name As String, linkInfoArgument As XlLinkInfo, Optional type As Object, Optional editionRef As Object) As Object

Parameters

name: String

The name of the link.

linkInfoArgument: XlLinkInfo

One of the XlLinkInfo values that specifies the type of information to return.

type: Object

One of the XlLinkInfoType values that specifies the type of link to return information for.

editionRef: Object

If the link is an edition, this parameter specifies the edition reference as a string in R1C1 style. EditionRef is required if there is more than one publisher or subscriber with the same name in the workbook.

Returns

Object

A value that indicates information about the link. If LinkInfoArgument is xlUpdateState, this method returns 1 if the link updates automatically, or 2 if the link must be updated manually.

Examples

The following code example uses gets the collection of DDE/OLE links in the current workbook, and then uses the LinkInfo method to determine whether or not each DDE/OLE link updates automatically or manually.

This example is for a document-level customization.

private void WorkbookLinkInfo()
{
    // Get the collection of DDE/OLE links in the workbook.
    Array links = (Array)this.LinkSources(Excel.XlLink.xlOLELinks);

    // If there are DDE/OLE links, then display how each link
    // updates.
    if (links != null)
    {
        for (int i = 1; i <= links.Length; i++)
        {
            string linkName = (string)links.GetValue(i);
            int updateValue = (int)this.LinkInfo(linkName,
                Excel.XlLinkInfo.xlUpdateState,
                Excel.XlLinkInfoType.xlLinkInfoOLELinks);

            if (updateValue == 1)
            {
                MessageBox.Show(linkName + " link updates automatically.");
            }
            else if (updateValue == 2)
            {
                MessageBox.Show(linkName + " link updates manually.");
            }
        }
    }
    else
    {
        MessageBox.Show("The workbook contains no DDE/OLE links.");
    }
}

Private Sub WorkbookLinkInfo()
    ' Get the collection of DDE/OLE links in the workbook.
    Dim Links As Array = _
        CType(Me.LinkSources(Excel.XlLink.xlOLELinks),  _
        Array)

    ' If there are DDE/OLE links, then display how each link
    ' updates.
    If Links IsNot Nothing Then
        Dim i As Integer
        For i = 1 To Links.Length
            Dim UpdateValue As Integer = Me.LinkInfo(Links(i), _
                Excel.XlLinkInfo.xlUpdateState, _
                Excel.XlLinkInfoType.xlLinkInfoOLELinks)

            If UpdateValue = 1 Then
                MsgBox(Links(i) & " link updates automatically.")
            ElseIf UpdateValue = 2 Then
                MsgBox(Links(i) & " link updates manually.")
            End If
        Next i
    Else
        MsgBox("The workbook contains no DDE/OLE links.")
    End If
End Sub

Remarks

Optional Parameters

For information on optional parameters, see Optional Parameters in Office Solutions.

Applies to