10393_scrollData._extent = extentSize; 10896_scrollData._extent = extentSize; 11739_viewport = _extent = _maxDesiredSize = new Size(); 11821_extent = value; 12863WriteSize(writer, ref _scrollData._extent); 12962_extent = _scrollData._extent,

569_scrollData._offset.X = ScrollContentPresenter.CoerceOffset(scrollX, _scrollData._extent.Width, _scrollData._viewport.Width); 578_scrollData._offset, _scrollData._extent, _scrollData._computedOffset); 697_scrollData._offset.Y = ScrollContentPresenter.CoerceOffset(scrollY, _scrollData._extent.Height, _scrollData._viewport.Height); 712_scrollData._offset, _scrollData._extent, _scrollData._computedOffset); 932maxOffset = _scrollData._extent.Width - _scrollData._viewport.Width; 937maxOffset = _scrollData._extent.Height - _scrollData._viewport.Height; 981maxOffset = _scrollData._extent.Width - _scrollData._viewport.Width; 1011maxOffset = _scrollData._extent.Height - _scrollData._viewport.Height; 1531newOffset.X = ScrollContentPresenter.CoerceOffset(newOffset.X, _scrollData._extent.Width, _scrollData._viewport.Width); 1532newOffset.Y = ScrollContentPresenter.CoerceOffset(newOffset.Y, _scrollData._extent.Height, _scrollData._viewport.Height); 1855return _scrollData._extent.Width; 1867return _scrollData._extent.Height; 3546"ext:", IsScrolling ? _scrollData._extent : Size.Empty, 3878_scrollData._extent.Width = distance; 3882_scrollData._extent.Height = distance; 3887ScrollTracer.Trace(this, ScrollTraceOp.UpdateExtent, "ext:", _scrollData._extent); 4312extent = _scrollData._extent; 4775if (DoubleUtil.GreaterThan(extendedViewport.X + extendedViewport.Width, _scrollData._extent.Width)) 4782extendedViewport.Width = Math.Max(_scrollData._extent.Width - extendedViewport.X, 0.0); 4815if (DoubleUtil.GreaterThan(extendedViewport.X + extendedViewport.Width / approxSizeOfLogicalUnit, _scrollData._extent.Width)) 4822extendedViewport.Width = Math.Max(_scrollData._extent.Width - extendedViewport.X, 0.0) * approxSizeOfLogicalUnit; 4891if (DoubleUtil.GreaterThan(extendedViewport.Y + extendedViewport.Height, _scrollData._extent.Height)) 4898extendedViewport.Height = Math.Max(_scrollData._extent.Height - extendedViewport.Y, 0.0); 4931if (DoubleUtil.GreaterThan(extendedViewport.Y + extendedViewport.Height / approxSizeOfLogicalUnit, _scrollData._extent.Height)) 4938extendedViewport.Height = Math.Max(_scrollData._extent.Height - extendedViewport.Y, 0.0) * approxSizeOfLogicalUnit; 9635stackPixelSize.Height = _scrollData._extent.Height; 9662stackPixelSize.Width = _scrollData._extent.Width; 9844bool extentSizeChanged = !DoubleUtil.AreClose(extentSize, _scrollData._extent); 9850extentWidthChanged = !DoubleUtil.AreClose(extentSize.Width, _scrollData._extent.Width); 9851extentHeightChanged = !DoubleUtil.AreClose(extentSize.Height, _scrollData._extent.Height); 10028"ext:", _scrollData._extent.Width, extentSize.Width, 10045if (!DoubleUtil.AreClose(_scrollData._extent.Width, 0) && 10050if (!LayoutDoubleUtil.AreClose(computedViewportOffset.X/extentSize.Width, _scrollData._offset.X/_scrollData._extent.Width)) 10053viewportOffset.X = (extentSize.Width * _scrollData._offset.X) / _scrollData._extent.Width; 10059if (!LayoutDoubleUtil.AreClose(Math.Floor(computedViewportOffset.X)/extentSize.Width, Math.Floor(_scrollData._offset.X)/_scrollData._extent.Width)) 10062viewportOffset.X = Math.Floor((extentSize.Width * Math.Floor(_scrollData._offset.X)) / _scrollData._extent.Width); 10070"expRat:", _scrollData._offset.X, _scrollData._extent.Width, (_scrollData._offset.X/_scrollData._extent.Width), 10096"ext:", _scrollData._extent.Height, extentSize.Height, 10112if (!DoubleUtil.AreClose(_scrollData._extent.Height, 0) && 10115if (!LayoutDoubleUtil.AreClose(computedViewportOffset.Y/extentSize.Height, _scrollData._offset.Y/_scrollData._extent.Height)) 10118viewportOffset.Y = (extentSize.Height * _scrollData._offset.Y) / _scrollData._extent.Height; 10125"expRat:", _scrollData._offset.Y, _scrollData._extent.Height, (_scrollData._offset.Y/_scrollData._extent.Height), 10245"ext:", _scrollData._extent.Height, extentSize.Height, 10262if (!DoubleUtil.AreClose(_scrollData._extent.Height, 0) && 10267if (!LayoutDoubleUtil.AreClose(computedViewportOffset.Y/extentSize.Height, _scrollData._offset.Y/_scrollData._extent.Height)) 10270viewportOffset.Y = (extentSize.Height * _scrollData._offset.Y) / _scrollData._extent.Height; 10276if (!LayoutDoubleUtil.AreClose(Math.Floor(computedViewportOffset.Y)/extentSize.Height, Math.Floor(_scrollData._offset.Y)/_scrollData._extent.Height)) 10279viewportOffset.Y = Math.Floor((extentSize.Height * Math.Floor(_scrollData._offset.Y)) / _scrollData._extent.Height); 10286"expRat:", _scrollData._offset.Y, _scrollData._extent.Height, (_scrollData._offset.Y/_scrollData._extent.Height), 10312"ext:", _scrollData._extent.Width, extentSize.Width, 10328if (!DoubleUtil.AreClose(_scrollData._extent.Width, 0) && 10331if (!LayoutDoubleUtil.AreClose(computedViewportOffset.X/extentSize.Width, _scrollData._offset.X/_scrollData._extent.Width)) 10334viewportOffset.X = (extentSize.Width * _scrollData._offset.X) / _scrollData._extent.Width; 10341"expRat:", _scrollData._offset.X, _scrollData._extent.Width, (_scrollData._offset.X/_scrollData._extent.Width), 10381"ext:", _scrollData._extent, extentSize, 10484stackPixelSize.Height = _scrollData._extent.Height; 10511stackPixelSize.Width = _scrollData._extent.Width; 10572bool extentSizeChanged = !DoubleUtil.AreClose(extentSize, _scrollData._extent); 10676if (!remeasure && extentSizeChanged && !DoubleUtil.AreClose(_scrollData._extent.Width, extentSize.Width)) 10716!DoubleUtil.AreClose(_scrollData._extent.Width, 0) && 10721if (!LayoutDoubleUtil.AreClose(computedViewportOffset.X/extentSize.Width, _scrollData._offset.X/_scrollData._extent.Width)) 10724viewportOffset.X = (extentSize.Width * _scrollData._offset.X) / _scrollData._extent.Width; 10730if (!LayoutDoubleUtil.AreClose(Math.Floor(computedViewportOffset.X)/extentSize.Width, Math.Floor(_scrollData._offset.X)/_scrollData._extent.Width)) 10733viewportOffset.X = Math.Floor((extentSize.Width * Math.Floor(_scrollData._offset.X)) / _scrollData._extent.Width); 10807if (!remeasure && extentSizeChanged && !DoubleUtil.AreClose(_scrollData._extent.Height, extentSize.Height)) 10847!DoubleUtil.AreClose(_scrollData._extent.Height, 0) && 10852if (!LayoutDoubleUtil.AreClose(computedViewportOffset.Y/extentSize.Height, _scrollData._offset.Y/_scrollData._extent.Height)) 10855viewportOffset.Y = (extentSize.Height * _scrollData._offset.Y) / _scrollData._extent.Height; 10861if (!LayoutDoubleUtil.AreClose(Math.Floor(computedViewportOffset.Y)/extentSize.Height, Math.Floor(_scrollData._offset.Y)/_scrollData._extent.Height)) 10864viewportOffset.Y = Math.Floor((extentSize.Height * Math.Floor(_scrollData._offset.Y)) / _scrollData._extent.Height); 11751_extent.Width == 0.0 && 11752_extent.Height == 0.0 && 11817return _extent; 11846if (DoubleUtil.GreaterThanOrClose(newOffset, _extent.Width - _viewport.Width)) 11862if (DoubleUtil.GreaterThanOrClose(newOffset, _extent.Height - _viewport.Height)) 12962_extent = _scrollData._extent,