This is a push button style constant used by the SalMessageBox function to display an Ok push button in the message box. This is the default assignment. You can combine a push button style constant with a constant from the icon style, default button style, and modal style constant groups (all of which are also named MB_*) using the OR (|) operator. Note: For details on the default button refer to the Microsoft Interface Guidelines manual. See SalMessageBox Options and SalMessageBox Returns for more information. You can also use this constant with SalMessageBeep to play the sound identified by the SystemDefault statement in the [sounds] section of WIN.INI. Value = 0

public const int MB_Ok