public override bool ChangePassword(
	string username,
	string oldPassword,
	string newPassword
)

Public Overrides Function ChangePassword ( 
	username As String,
	oldPassword As String,
	newPassword As String
) As Boolean

public:
virtual bool ChangePassword(
	String^ username, 
	String^ oldPassword, 
	String^ newPassword
) override

abstract ChangePassword : 
        username : string * 
        oldPassword : string * 
        newPassword : string -> bool 
override ChangePassword : 
        username : string * 
        oldPassword : string * 
        newPassword : string -> bool