比如 定义
Function LayerCreateISOLine(DestLayerName As String, SrcLayerIndex As Long, BoundLayerIndex As Long, BoundFeatureID As Long, Flag As emISOCreatFlag, bUsePixelUnit As Boolean, Precision As Double, AffectRange As Double, ControlRange As Double, SrcField As Long, ClsValue As TGOValuesDouble, ClsColor As TGOValuesLong) As Long