SpatialEdmFunctions.GeographyCollectionFromBinary Metode

Definisi

Ruang nama:

System.Data.Common.CommandTrees.ExpressionBuilder.Spatial

Rakitan:

System.Data.Entity.dll

DbFunctionExpression Membuat yang memanggil fungsi 'GeographyCollectionFromBinary' kanonis dengan argumen yang ditentukan. geographyCollectionWellKnownBinaryValue 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 ^ GeographyCollectionFromBinary(System::Data::Common::CommandTrees::DbExpression ^ geographyCollectionWellKnownBinaryValue, System::Data::Common::CommandTrees::DbExpression ^ coordinateSystemId);

public static System.Data.Common.CommandTrees.DbFunctionExpression GeographyCollectionFromBinary (System.Data.Common.CommandTrees.DbExpression geographyCollectionWellKnownBinaryValue, System.Data.Common.CommandTrees.DbExpression coordinateSystemId);

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

Public Function GeographyCollectionFromBinary (geographyCollectionWellKnownBinaryValue As DbExpression, coordinateSystemId As DbExpression) As DbFunctionExpression

Parameter

geographyCollectionWellKnownBinaryValue

DbExpression

Ekspresi yang menyediakan representasi biner terkenal dari nilai koleksi geografi.

coordinateSystemId

DbExpression

Ekspresi yang menyediakan id sistem koordinat (SRID) dari sistem koordinat nilai koleksi geografi.

Mengembalikan

DbFunctionExpression

DbFunctionExpression baru yang mengembalikan nilai koleksi geografi baru berdasarkan nilai yang ditentukan.

Pengecualian

ArgumentNullException

geographyCollectionWellKnownBinaryValue coordinateSystemId

ArgumentException

geographyCollectionWellKnownBinaryValue coordinateSystemId