Пример #1
0
        private static void SliderOnMouseMove(object obj2, MouseEventArgs mouseEvent)
        {
            if (mouseEvent.LeftButton == MouseButtonState.Pressed)
            {
                var slider = (obj2 as Slider);
                if (slider == null)
                {
                    slider = (obj2 as Thumb).Tag as Slider;
                }

                if (!MouseDownHelper.GetIsMouseLeftButtonDown(slider))
                {
                    slider_PreviewMouseLeftButtonDown(slider, null);
                }
                else
                {
                    var x = mouseEvent.GetPosition(slider);
                    if (slider.Orientation == Orientation.Horizontal)
                    {
                        var v = x.X / slider.ActualWidth;
                        if (v < 0)
                        {
                            v = 0.0;
                        }
                        if (v > 1)
                        {
                            v = 1.0;
                        }

                        slider.SetValue(Slider.ValueProperty, slider.Maximum * v);
                        SetSliderState(slider, true);
                    }
                    else
                    {
                        var v = x.Y / slider.ActualHeight;
                        if (v < 0)
                        {
                            v = 0.0;
                        }
                        if (v > 1)
                        {
                            v = 1.0;
                        }
                        slider.SetValue(Slider.ValueProperty, slider.Maximum * v);
                        SetSliderState(slider, true);
                    }
                }
            }
        }