表示地理距離。
命名空間： System.Spatial
組件： System.Spatial (在 System.Spatial.dll 中)
語法
'宣告
Public Overridable Function Distance ( _
operand1 As Geography, _
operand2 As Geography _
) As Double
'用途
Dim instance As SpatialOperations
Dim operand1 As Geography
Dim operand2 As Geography
Dim returnValue As Double
returnValue = instance.Distance(operand1, _
operand2)
public virtual double Distance(
Geography operand1,
Geography operand2
)
public:
virtual double Distance(
Geography^ operand1,
Geography^ operand2
)
abstract Distance :
operand1:Geography *
operand2:Geography -> float
override Distance :
operand1:Geography *
operand2:Geography -> float
public function Distance(
operand1 : Geography,
operand2 : Geography
) : double
參數
- operand1
型別：System.Spatial.Geography
運算元 1。
- operand2
型別：System.Spatial.Geography
運算元 2。
傳回值
型別：System.Double
運算結果。