maui-devexpress-dot-maui-dot-pdf-dot-pdfviewer-dot-underscore-events.md
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