Hole radius ratio that determines size of the hole for pie series relatively to the whole pie radius. The default value 0.1. This value cannot be less than 0 and greater than 1.0.

public float HoleRatio { get; set; }

Public Property HoleRatio As Single
	Get
	Set

public:
virtual property float HoleRatio {
	float get () sealed;
	void set (float value) sealed;
}