PdfViewer Events

Allows you to display PDF files in .NET MAUI apps.

Name	Description
AnnotationChanged	Occurs after an annotation‘s settings are changed.
AnnotationChanging	Occurs before an annotation‘s settings are changed.
AnnotationCreated	Occurs after a new annotation is added to a PDF document page.
AnnotationCreating	Occurs before a newly-created annotation is added to a PDF document page.
AnnotationDeleted	Occurs after an annotation is removed on a PDF document page.
AnnotationDeleting	Occurs before an annotation is removed on a PDF document page.
AnnotationSelectionChanged	Occurs when an annotation is selected.
BatchCommitted	Occurs when a batch of property changes have been committed by calling BatchCommit(). Inherited from VisualElement.
BindingContextChanged	Occurs when the value of the BindingContext property changes. Inherited from BindableObject.
ChildAdded	Raised whenever a child element is added to the element. Inherited from Element.
ChildRemoved	Raised whenever a child element is removed from the element. Inherited from Element.
ChildrenReordered	Occurs when the order of this element’s children changes. Inherited from VisualElement.
ContentSelectionChanged	Occurs when the selection area is adjusted in the current document.
DescendantAdded	Raised whenever a child element is added to the element’s subtree. Inherited from Element.
DescendantRemoved	Raised whenever a child element is removed from the elements subtree. Inherited from Element.
DocumentLoaded	Occurs after the PDF viewer loads the PDF document.
FocusChangeRequested	Occurs when a focus change is requested. Inherited from VisualElement.
Focused	Occurs when this element is focused. Inherited from VisualElement.
FormFieldEditorShowing	Occurs once a user taps a field and before an editor is shown in-place of the field.
FormFieldValueChanged	Occurs after changes are applied to a form field.
FormFieldValueChanging	Occurs before changes are applied to a form field.
MeasureInvalidated	Occurs when the current measure of an element has been invalidated. Inherited from VisualElement.
PageTap	Occurs when a user taps a point on the PDF viewer’s page area.
PasswordRequested	Occurs each time the PDF viewer requests a user to enter a password to open a protected PDF file.
PropertyChanged	Occurs when a property value changes. Inherited from BindableObject.
PropertyChanging	Occurs when a property value is changing. Inherited from BindableObject.
ReferencedDocumentOpening	Occurs when a user taps a push-button in the current PDF document to open another PDF document.
SignatureChanged	Occurs after a signature property’s value is changed.
SignatureCreated	Occurs after a new signature is added to a page.
SignatureCreating	Occurs before a signature is added so you can cancel adding the signature.
SignatureDeleted	Occurs after a signature is deleted.
SignatureDeleting	Occurs before a signature is deleted so you can cancel the deletion action.
SignatureSelectionChanged	Occurs if a signature is selected or deselected.
SizeChanged	Occurs when the size of an element changed. Inherited from VisualElement.
Tap	Fires when a user taps a DXControlBase descendant. Inherited from DXControlBase.
TapPressed	Fires when a user taps a DXControlBase descendant and a finger is not released. Inherited from DXControlBase.
TapReleased	Fires when a user taps a DXControlBase descendant and a finger is released. Inherited from DXControlBase.
Unfocused	Occurs when this element is unfocused. Inherited from VisualElement.
UriOpening	Occurs when a user taps a push-button in the current PDF document to open a link.