Gets the 0-based index of the column on the page containing the current fragment. For the default single-column page layout, the value of this property is 0. If the current fragment belongs to a page header or footer, this value is -1 (see RenderFragment.IsInPageHeader and RenderFragment.IsInPageFooter).

'宣言
 
Public ReadOnly Property ColumnIndex As System.Integer

'使用法
 
Dim instance As RenderFragment
Dim value As System.Integer
 
value = instance.ColumnIndex

public System.int ColumnIndex {get;}