New Features and Improvements

• When adding an SVG image, a complementary raster copy of the image is also added to the document.
• When a CheckBox or a Date content control (with CalendarType.Gregorian) is changed, its appearance is automatically updated.
• Added ImageData.ComplementaryVectorData property: Gets the complementary vector data of the image.
• Added VectorGraphicImageData class: Represents the image data of an SVG vector image.
• Added WebVideoProperties class: Represents the properties used to show an online video to the user.
• Added ImageData.WebVideoProperties property: Gets the properties for displaying an online video to the user.