Windows.Foundation.Rect.Contains C# (CSharp) Метод

        public bool Contains(Point point)
        {
            return ContainsInternal(point.X, point.Y);
        }

        private void _contentGrid_ManipulationStarted(object sender, ManipulationStartedRoutedEventArgs e)
        {
            if (e.PointerDeviceType != PointerDeviceType.Touch)
            {
                return;
            }
            if (manipulationStatus == ManipulationStatus.None)
            {
                if (PivotItem != null && FrozenColumns > 0)
                {
                    var pt = e.Position;
                    pt = this.TransformToVisual(_columnHeaderPanel).TransformPoint(pt);

                    var fx = _columnHeaderPanel.Columns.GetFrozenSize();
                    // adjust for scroll position
                    var sp = _columnHeaderPanel.ScrollPosition;
                    if (pt.X < 0 || pt.X > fx) pt.X -= sp.X;
                    var column = _columnHeaderPanel.Columns.GetItemAt(pt.X);
                    if (FrozenColumns > column)
                    {
                        startingCrossSlideLeft = startingCrossSlideRight = true;
                    }
                }

                if (_header != null)
                {
                    var pt = e.Position;
                    pt = this.TransformToVisual(_header).TransformPoint(pt);
                    var rect = new Rect(0, 0, _header.ActualWidth, _header.ActualHeight);
                    if (rect.Contains(pt))
                    {
                        if (PivotItem != null)
                        {
                            startingCrossSlideLeft = startingCrossSlideRight = true;
                        }
                        manipulationOnHeaderOrFooter = true;
                    }
                }

                if (_footer != null)
                {
                    var pt = e.Position;
                    pt = this.TransformToVisual(_footer).TransformPoint(pt);
                    var rect = new Rect(0, 0, _footer.ActualWidth, _footer.ActualHeight);
                    if (rect.Contains(pt))
                    {
                        if (PivotItem != null)
                        {
                            startingCrossSlideLeft = startingCrossSlideRight = true;
                        }
                        manipulationOnHeaderOrFooter = true;
                    }
                }
            }
        }