Occurs when the user drops a column header that was being dragged using the mouse.
Assembly: System.Windows.Controls.Data (in System.Windows.Controls.Data.dll)
The event occurs when the user releases the left mouse button after dragging a column header. Users can change the column order by dragging column headers only if the CanUserReorderColumns property is true.
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.