SqlGeographyBuilder.BeginFigure 方法 (Double, Double, Nullable<Double>, Nullable<Double>)
Starts the call sequence for a geography figure.
命名空間： Microsoft.SqlServer.Types
組件： Microsoft.SqlServer.Types (在 Microsoft.SqlServer.Types.dll 中)
語法
'宣告
Public Overridable Sub BeginFigure ( _
latitude As Double, _
longitude As Double, _
z As Nullable(Of Double), _
m As Nullable(Of Double) _
)
'用途
Dim instance As SqlGeographyBuilder
Dim latitude As Double
Dim longitude As Double
Dim z As Nullable(Of Double)
Dim m As Nullable(Of Double)
instance.BeginFigure(latitude, longitude, _
z, m)
public virtual void BeginFigure(
double latitude,
double longitude,
Nullable<double> z,
Nullable<double> m
)
public:
virtual void BeginFigure(
double latitude,
double longitude,
Nullable<double> z,
Nullable<double> m
)
abstract BeginFigure :
latitude:float *
longitude:float *
z:Nullable<float> *
m:Nullable<float> -> unit
override BeginFigure :
latitude:float *
longitude:float *
z:Nullable<float> *
m:Nullable<float> -> unit
public function BeginFigure(
latitude : double,
longitude : double,
z : Nullable<double>,
m : Nullable<double>
)
參數
- latitude
型別：System.Double
A double that specifies the latitude of the starting endpoint in a geography figure.
- longitude
型別：System.Double
A double that specifies the longitude of the starting endpoint in a geography figure.
- z
型別：System.Nullable<Double>
A double that specifies the altitude of the starting endpoint in a geography figure. Is Nullable.
- m
型別：System.Nullable<Double>
A double that specifies the measure type for the starting endpoint. Is Nullable.
實作
IGeographySink.BeginFigure(Double, Double, Nullable<Double>, Nullable<Double>)
備註
Method must be used together with the EndFigure() method.