Класс SqlGeometryBuilder
Constructs instances of SqlGeometry objects by using IGeometrySink interface.
Иерархия наследования
System.Object
Microsoft.SqlServer.Types.SqlGeometryBuilder
Пространство имен: Microsoft.SqlServer.Types
Сборка: Microsoft.SqlServer.Types (в Microsoft.SqlServer.Types.dll)
Синтаксис
'Декларация
<CLSCompliantAttribute(True)> _
Public Class SqlGeometryBuilder _
Implements IGeometrySink110, IGeometrySink
'Применение
Dim instance As SqlGeometryBuilder
[CLSCompliantAttribute(true)]
public class SqlGeometryBuilder : IGeometrySink110,
IGeometrySink
[CLSCompliantAttribute(true)]
public ref class SqlGeometryBuilder : IGeometrySink110,
IGeometrySink
[<CLSCompliantAttribute(true)>]
type SqlGeometryBuilder =
class
interface IGeometrySink110
interface IGeometrySink
end
public class SqlGeometryBuilder implements IGeometrySink110, IGeometrySink
Тип SqlGeometryBuilder обеспечивает доступ к следующим элементам.
Конструкторы
Имя | Описание | |
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SqlGeometryBuilder | Constructs a SqlGeometryBuilder object. |
В начало
Свойства
Имя | Описание | |
---|---|---|
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ConstructedGeometry | Retrieves constructed spatial geometry object. |
В начало
Методы
Имя | Описание | |
---|---|---|
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AddCircularArc(Double, Double, Double, Double) | Adds a circular arc to the path. |
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AddCircularArc(Double, Double, Nullable<Double>, Nullable<Double>, Double, Double, Nullable<Double>, Nullable<Double>) | Adds a circular arc to the path. |
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AddLine(Double, Double) | Constructs additional points in a geometry type figure. |
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AddLine(Double, Double, Nullable<Double>, Nullable<Double>) | Constructs additional points in the call sequence for a geometry type. |
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BeginFigure(Double, Double) | Starts the call sequence for a geometry figure. |
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BeginFigure(Double, Double, Nullable<Double>, Nullable<Double>) | Starts the call sequence for a geometry figure. |
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BeginGeometry | Initializes a call sequence for a geometry type. |
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EndFigure | Finishes a call sequence for a geometry figure. |
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EndGeometry | Finishes a call sequence for a geometry type. |
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Equals | (Производный от Object.) |
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Finalize | (Производный от Object.) |
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GetHashCode | (Производный от Object.) |
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GetType | (Производный от Object.) |
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MemberwiseClone | (Производный от Object.) |
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SetSrid | Sets the Spatial Reference Identifier (SRID) for a geometry type call sequence. |
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ToString | (Производный от Object.) |
В начало
Замечания
Throws FormatException for an invalid call sequence or when a call sequence is incomplete when ConstructedGeometry() is invoked.
Примеры
The following example constructs a SqlGeometry object from a MultiLineString.
SqlGeometryBuilder b = new SqlGeometryBuilder();
b.SetSrid(0);
b.BeginGeometry(OpenGisGeometryType.MultiLineString);
b.BeginGeometry(OpenGisGeometryType.LineString);
b.BeginFigure(1, 1);
b.AddLine(3, 4);
b.EndFigure();
b.EndGeometry();
b.BeginGeometry(OpenGisGeometryType.LineString);
b.BeginFigure(-5, -3);
b.AddLine(2, 2);
b.EndFigure();
b.EndGeometry();
b.EndGeometry();
SqlGeometry g = b.ConstructedGeometry();
Безопасность многопоточности
Любые открытые статический (Shared в Visual Basic) элементы этого типа потокобезопасны. Потокобезопасность с элементами экземпляров не гарантируется.