Gets or sets gap extension penalty for use in alignment algorithms. Not used for alignments using a linear gap penalty. For alignments using an affine gap, this is the penalty to extend an existing gap. This is a negative number, for example GapExtensionCost = -2, not +2.

public int GapExtensionCost { get; set; }

Public Property GapExtensionCost As Integer
	Get
	Set

public:
property int GapExtensionCost {
	int get ();
	void set (int value);
}

member GapExtensionCost : int with get, set