'宣言
Public Overloads Function GetZoomFromGeographic( _
ByVal As Infragistics.Win.DataVisualization.Point, _
ByVal As Infragistics.Win.DataVisualization.Point _
) As Infragistics.Win.DataVisualization.Rectangle
public Infragistics.Win.DataVisualization.Rectangle GetZoomFromGeographic(
Infragistics.Win.DataVisualization.Point ,
Infragistics.Win.DataVisualization.Point
)