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Gets a Microsoft.Office.Interop.Excel.Range that represents the merged range containing the NamedRange control.
Namespace:  Microsoft.Office.Tools.Excel
Assembly:  Microsoft.Office.Tools.Excel (in Microsoft.Office.Tools.Excel.dll)
Syntax
'Declaration
ReadOnly Property MergeArea As Range
Range MergeArea { get; }
Property Value
Type: Microsoft.Office.Interop.Excel.Range
A Microsoft.Office.Interop.Excel.Range that represents the merged range containing the NamedRange control. If the NamedRange control is not in a merged range, this property returns a Microsoft.Office.Interop.Excel.Range that represents the NamedRange control.
Remarks
The MergeArea property only works on a single-cell range.
Examples
The following code example displays the value of the MergeArea and MergeCells properties of a single-cell NamedRange before and after using the Merge method to merge a multiple-cell NamedRange that contains the single-cell NamedRange.
This example is for a document-level customization.
Private Sub MergeRange()
        Dim namedRange1 As Microsoft.Office.Tools.Excel.NamedRange _
            = Me.Controls.AddNamedRange(Me.Range("A1", "A5"), _
            "namedRange1")
        Dim namedRange2 As Microsoft.Office.Tools.Excel.NamedRange _
            = Me.Controls.AddNamedRange(Me.Range("A1"), "namedRange2")
        Dim beforeMergeAddress As String = _
            namedRange2.MergeArea.Address(, , _
            Excel.XlReferenceStyle.xlA1, , )
        MessageBox.Show("Before merging, the MergeArea property is '" & _
            beforeMergeAddress & "' and the MergeCells property is " & _
            " '" & namedRange2.MergeCells.ToString() & "'.")
        namedRange1.Select()
        namedRange1.Merge(False)
        Dim afterMergeAddress As String = _
            namedRange2.MergeArea.Address(, , _
            Excel.XlReferenceStyle.xlA1, , )
        MessageBox.Show("After merging, the MergeArea property is '" & _
            afterMergeAddress & "' and the MergeCells property is " & _
            " '" & namedRange2.MergeCells.ToString() & "'.")
    End Sub
private void MergeRange()
{
    Microsoft.Office.Tools.Excel.NamedRange namedRange1 =
        this.Controls.AddNamedRange(this.Range["A1", "A5"],
        "namedRange1");
    Microsoft.Office.Tools.Excel.NamedRange namedRange2 =
        this.Controls.AddNamedRange(this.Range["A1"],
        "namedRange2");
    string beforeMergeAddress = namedRange2.MergeArea.get_Address(
        Excel.XlReferenceStyle.xlA1);
    MessageBox.Show("Before merging, the MergeArea property is '" +
        beforeMergeAddress + "' and the MergeCells property is " +
        " '" + namedRange2.MergeCells.ToString() + "'.");
    namedRange1.Select();
    namedRange1.Merge(false);
    string afterMergeAddress = namedRange2.MergeArea.get_Address(
        Excel.XlReferenceStyle.xlA1);
    MessageBox.Show("After merging, the MergeArea property is '" +
        afterMergeAddress + "' and the MergeCells property is " +
        " '" + namedRange2.MergeCells.ToString() + "'.");
}
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.