PdfViewer.FormFieldValueChanging Event
Occurs before a new form field value is posted.
Namespace: DevExpress.XtraPdfViewer
Assembly: DevExpress.XtraPdfViewer.v23.2.dll
NuGet Package: DevExpress.Win.PdfViewer
Declaration
Event Data
The FormFieldValueChanging event's data class is PdfFormFieldValueChangingEventArgs. The following properties provide information specific to this event:
Property | Description |
---|---|
Cancel | Gets or sets a value indicating whether the event should be canceled. Inherited from CancelEventArgs. |
FieldName | Gets the name of the form field. |
NewValue | Gets or sets a new value of the form field. |
OldValue | Gets the form field’s previous value. |
Remarks
The FormFieldValueChanging event fires when the field editor loses focus: the user clicked on any other place in the document, pressed ENTER or TAB.
Handle this event to cancel changing the form field value.
See Also