Starts the call sequence for a geography figure. This API is obsolete. IGeographySink110 should be used instead.
命名空间： Microsoft.SqlServer.Types
程序集： Microsoft.SqlServer.Types（在 Microsoft.SqlServer.Types.dll 中）
语法
声明
Sub BeginFigure ( _
latitude As Double, _
longitude As Double, _
z As Nullable(Of Double), _
m As Nullable(Of Double) _
)
用法
Dim instance As IGeographySink
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)
void BeginFigure(
double latitude,
double longitude,
Nullable<double> z,
Nullable<double> m
)
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
function BeginFigure(
latitude : double,
longitude : double,
z : Nullable<double>,
m : Nullable<double>
)
参数
- latitude
类型：System.Double
A double that specifies the latitude of the starting endpoint in a geography figure.
- longitude
类型：System.Double
A double that specifies the longitude of the starting endpoint in a geography figure.
- z
类型：System.Nullable<Double>
A double that specifies the altitude of the starting endpoint in a geography figure. Is Nullable.
- m
类型：System.Nullable<Double>
A double that specifies the measure type for the starting endpoint. Is Nullable.
注释
Method must be used together with the EndFigure() method.