System.Windows.Forms 2.0.0.0 System.Enum If a user switches focus off of a Windows Forms control, the control will use to determine how to validate its data. This type of validation is called implicit validation, because it occurs without the application developer having to make an explicit call to or . The property corresponding to this value will have different defaults based on the type of control. For more information, see User Input Validation in Windows Forms (Windows Forms). Determines how a control validates its data when it loses user input focus. Field System.Windows.Forms.AutoValidate Implicit validation will not occur. Setting this value will not interfere with explicit calls to or . 2.0.0.0 Field System.Windows.Forms.AutoValidate Implicit validation occurs, but if validation fails, focus will still change to the new control. If validation fails, the event will not fire. 2.0.0.0 Field System.Windows.Forms.AutoValidate Implicit validation occurs when the control loses focus. 2.0.0.0 Field System.Windows.Forms.AutoValidate The control inherits its behavior from its container (such as a form or another control). If there is no container control, it defaults to . 2.0.0.0