SpatialEdmFunctions.GeographyMultiPointFromBinary Metode

Definisi

Ruang nama:

System.Data.Common.CommandTrees.ExpressionBuilder.Spatial

Rakitan:

System.Data.Entity.dll

DbFunctionExpression Membuat yang memanggil fungsi 'GeographyMultiPointFromBinary' kanonis dengan argumen yang ditentukan. multiPointWellKnownBinaryValue harus memiliki tipe hasil biner, sementara coordinateSystemId harus memiliki tipe hasil numerik bilangan bulat. Jenis hasil ekspresi adalah Edm.Geography.

public:
 static System::Data::Common::CommandTrees::DbFunctionExpression ^ GeographyMultiPointFromBinary(System::Data::Common::CommandTrees::DbExpression ^ multiPointWellKnownBinaryValue, System::Data::Common::CommandTrees::DbExpression ^ coordinateSystemId);

public static System.Data.Common.CommandTrees.DbFunctionExpression GeographyMultiPointFromBinary (System.Data.Common.CommandTrees.DbExpression multiPointWellKnownBinaryValue, System.Data.Common.CommandTrees.DbExpression coordinateSystemId);

static member GeographyMultiPointFromBinary : System.Data.Common.CommandTrees.DbExpression * System.Data.Common.CommandTrees.DbExpression -> System.Data.Common.CommandTrees.DbFunctionExpression

Public Function GeographyMultiPointFromBinary (multiPointWellKnownBinaryValue As DbExpression, coordinateSystemId As DbExpression) As DbFunctionExpression

Parameter

multiPointWellKnownBinaryValue

DbExpression

Ekspresi yang menyediakan representasi biner terkenal dari nilai multi-titik geografi.

coordinateSystemId

DbExpression

Ekspresi yang menyediakan id sistem koordinat (SRID) dari sistem koordinat nilai multi-titik geografi.

Mengembalikan

DbFunctionExpression

DbFunctionExpression baru yang mengembalikan nilai multi-titik geografi baru berdasarkan nilai yang ditentukan.

Pengecualian

ArgumentNullException

multiPointWellKnownBinaryValue coordinateSystemId

ArgumentException

multiPointWellKnownBinaryValue coordinateSystemId