public DialogResult ShowMessageBox(
	string message,
	string title,
	MessageBoxButtons buttons,
	MessageBoxIcon icon
)

Public Function ShowMessageBox ( _
	message As String, _
	title As String, _
	buttons As MessageBoxButtons, _
	icon As MessageBoxIcon _
) As DialogResult

public:
virtual DialogResult ShowMessageBox(
	String^ message, 
	String^ title, 
	MessageBoxButtons buttons, 
	MessageBoxIcon icon
) sealed