Gets the horizontal offset for the DataGridCellsPanel.
Assembly: PresentationFramework (in PresentationFramework.dll)
The DataGridCellsPanel is the layout container for rows. When scrolling, the panels have to compute an offset to know which part of the panel should appear in the view port.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)