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PdfViewer Events
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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.
See Also