DataGridColumnReorderingEventArgs.Cancel Property      
Definition
Important
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Gets or sets a value that indicates whether the reordering operation is stopped before completion.
public:
 property bool Cancel { bool get(); void set(bool value); };
	public bool Cancel { get; set; }
	member this.Cancel : bool with get, set
	Public Property Cancel As Boolean
	Property Value
true if the reordering operation is stopped before completion; otherwise, false. The default is false.