Revokes a public key or sub key from a KeyStore.
Note: The corresponding private key of this key must also be in the same KeyStore object.

Equivalent GPG command:
gpg --edit-key [userId]
revkey

public void RevokeKey(
	KeyStore keyStore,
	long keyId,
	string privateKeyPassword,
	byte reason,
	string description
)

Public Sub RevokeKey ( _
	keyStore As KeyStore, _
	keyId As Long, _
	privateKeyPassword As String, _
	reason As Byte, _
	description As String _
)

public:
void RevokeKey(
	KeyStore^ keyStore, 
	long long keyId, 
	String^ privateKeyPassword, 
	unsigned char reason, 
	String^ description
)