SSpread.AllowColMove Property
Set whether to allow the user to move columns by drag and drop.
Specify $TRUE if you want to allow it, or $FALSE if you don’t.
The initial value is $FALSE.
If allowed, the column can be moved by dragging and dropping the column header.
Set the AllowRowMove property to $TRUE If allowed, to allow the row to move.
Related Item
AllowRowMove property