Gets the Y coordinate of the point the mouse cursor is held over when the GetToolTipText event is raised.
Assembly: System.Windows.Forms.DataVisualization (in System.Windows.Forms.DataVisualization.dll)
Use the property to get the Y screen coordinate of the point the mouse cursor is held over when the GetToolTipText event is raised.
Note that the Y coordinate is measured in pixels; the point (0,0) corresponds to the top-left corner of the chart.
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)