PreventDefault() public méthode

public PreventDefault ( ) : void
Résultat void
 private void PreventKeyboardHandled(Event e)
 {
     if (keyDownHandled || keyUpHandled)
     {
         e.PreventDefault();
     }
 }
 private void PreventMouseHandled(Event e)
 {
     if (mouseDownHandled || mouseMoveHandled || mouseUpHandled || MouseDevice.CaptureTarget != null)
     {
         e.PreventDefault();
     }
 }
        private void OnMouseWheel(Event e)
        {
            WheelEvent wheelEvent = (WheelEvent)e;

            Point position = new Point(wheelEvent.PageX, wheelEvent.PageY);
            int delta = wheelEvent.DeltaY > 0 ? -100 : 100;

            if (MouseDevice.ProcessRawEvent(new RawMouseWheelEventArgs(delta, position, GetTimestamp())))
            {
                e.PreventDefault();
            }
        }
        private void OnMouseUp(Event e)
        {
            MouseEvent mouseEvent = (MouseEvent)e;

            Point position = new Point(mouseEvent.PageX, mouseEvent.PageY);
            MouseButton button = converter.ConvertBackMouseButton(mouseEvent.Button);

            mouseUpHandled = MouseDevice.ProcessRawEvent(new RawMouseButtonEventArgs(button, MouseButtonState.Released, position, GetTimestamp()));

            if (mouseDownHandled || mouseMoveHandled || mouseUpHandled || MouseDevice.CaptureTarget != null)
            {
                e.PreventDefault();
            }
        }
        private void OnMouseMove(Event e)
        {
            if (!(e is MouseEvent))
            {
                return;
            }

            MouseEvent mouseEvent = (MouseEvent)e;

            Point position = new Point(mouseEvent.PageX, mouseEvent.PageY);

            mouseMoveHandled = MouseDevice.ProcessRawEvent(new RawMouseEventArgs(position, GetTimestamp()));

            if (mouseDownHandled || mouseMoveHandled || MouseDevice.CaptureTarget != null)
            {
                e.PreventDefault();
            }
        }
        private void OnKeyUp(Event e)
        {
            KeyboardEvent keyboardEvent = (KeyboardEvent)e;

            Key key = converter.ConvertBackKey(keyboardEvent.KeyCode, keyboardEvent.Location);

            keyUpHandled = KeyboardDevice.ProcessRawEvent(new RawKeyboardEventArgs(key, KeyStates.None, keyboardEvent.Repeat, GetTimestamp()));

            if (keyDownHandled || keyUpHandled)
            {
                e.PreventDefault();
            }
        }
        private void OnContentElementKeyDown(Event e)
        {
            if (!IsReadOnly && AcceptsTab && ((KeyboardEvent)e).KeyCode == 9)
            {
                int selectionStart = SelectionStart;

                this.Text = String.Format("{0}\t{1}", this.Text.Substring(0, SelectionStart), this.Text.Substring(SelectionStart + SelectionLength));

                ContentElement.HtmlElement.SetSelectionStart(selectionStart + 1);
                ContentElement.HtmlElement.SetSelectionEnd(selectionStart + 1);
                GetContentElementSelection();

                e.PreventDefault();
            }
        }