PropertyGridControl.ValidateCell Event
Enables you to specify whether the focused cell’s data is valid, and whether the node can lose focus.
Namespace: DevExpress.Xpf.PropertyGrid
Assembly: DevExpress.Xpf.PropertyGrid.v19.2.dll
Declaration
Event Data
The ValidateCell event's data class is ValidateCellEventArgs. The following properties provide information specific to this event:
Property | Description |
---|---|
ErrorContent | Gets or sets an object that describes the validation error. |
ErrorType | Gets the error type. |
Handled | Gets or sets a value that indicates the present state of the event handling for a routed event as it travels the route. Inherited from RoutedEventArgs. |
IsValid | Gets or sets a value specifying whether the value is valid. |
NewValue | Gets a new value of the cell to be validated. |
OldValue | Gets the previous value of the cell to be validated. |
OriginalSource | Gets the original reporting source as determined by pure hit testing, before any possible Source adjustment by a parent class. Inherited from RoutedEventArgs. |
RoutedEvent | Gets or sets the RoutedEvent associated with this RoutedEventArgs instance. Inherited from RoutedEventArgs. |
Row | Gets information about a row that contains a validated cell. |
Source | Gets or sets a reference to the object that raised the event. Inherited from RoutedEventArgs. |
ValidationException | Gets or sets the error message that is displayed if the cell has failed validation. |
The event data class exposes the following methods:
Method | Description |
---|---|
InvokeEventHandler(Delegate, Object) | When overridden in a derived class, provides a way to invoke event handlers in a type-specific way, which can increase efficiency over the base implementation. Inherited from RoutedEventArgs. |
OnSetSource(Object) | When overridden in a derived class, provides a notification callback entry point whenever the value of the Source property of an instance changes. Inherited from RoutedEventArgs. |
Remarks
Validation is performed within the ValidateCell event handler. This event is automatically fired when a cell is about to lose focus.
Related GitHub Examples
The following code snippet (auto-collected from DevExpress Examples) contains a reference to the ValidateCell event.
Note
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