Inserts columns to the left of the column that contains the selection. If the selection isn't in a table, an error occurs.
Note The number of columns inserted is equal to the number of columns selected. You can also insert columns by using the Add method of the Columns object.
expression.InsertColumns
expression Required. An expression that returns a Selection object.
Example
This example inserts new columns to the left of the column that contains the selection. The number of columns inserted is equal to the number of columns selected.
If Selection.Information(wdWithInTable) = True Then
With Selection
.InsertColumns
.Shading.Texture = wdTexture10Percent
End With
End If