The license key string received after the product purchase or a demo license key for the demo version of the product. This propery must be set before calling the images extraction method. When this property is null, the product will run in demo mode.

public string LicenseKey { get; set; }

Public Property LicenseKey As String

public:
property String^ LicenseKey {
	String^ get ();
	void set (String^ value);
}