Released: Jan 26, 2022

Updates in 4.9.7

Features

• Mouse wheel - The control now provides built-in mouse wheel handling.
  • By default, rotating the wheel scrolls the view vertically.
  • Users can scroll horizontally by holding down the Shift modifier key while rotating the mouse wheel.
  • The Control modifier scrolls the view in larger amounts (half the viewport width or height depending on scroll direction).
  • Setting the MouseWheelAction property to Zoom makes wheel rotation zoom into the view instead.
  • You could implement your own mouse-wheel logic by setting MouseWheelAction to None and handling the MouseWheel event.
• Miscellaneous
  • The Opacity property lets you apply semi-transparency to all graphic elements of a diagram item.
  • EPicturePos now supports new picFitLeft, picFitTop, picFitRight and picFitBottom alignment styles, which resize Picture to fit node's boundaries and align it to respective border.
  • The CancelDrag method lets you cancel current mouse interactions.
  • The ChangeBehavior method allows changing Behavior value without clearing selection.
  • PNG transparency is now supported in GDI+ mode.
  • The RedrawCacheImage method lets you reset back buffer when you need to change appearance of stationary objects during user interaction.
  • Added MultiProc2 box shape.
  • The MoveNodes behavior allows you to grab nodes to drag them without using adjustment handles.