Enum AlertType Path C++ Link System.Windows.Forms.AlertType, System.Windows.Forms underlying int32 System.Windows.Forms.dll Values 5 NameValueHex Default10x01Error20x02Question30x03Warning40x04Information50x05 Used by 6types with a member, parameter or interface of this type MessageBoxFormXplatUIXplatUICarbonXplatUIDriverXplatUIWin32XplatUIX11 // System.Windows.Forms.AlertType, System.Windows.Forms enum class AlertType : int32 { Default = 1, Error = 2, Question = 3, Warning = 4, Information = 5, };