BsonDocument.Add Method (String, Func(BsonValue), Boolean)

BsonDocumentAdd Method (String, FuncBsonValue, Boolean)

Creates and adds an element to the document, but only if the condition is true. If the condition is false the value factory is not called at all.

Namespace: MongoDB.Bson
Assembly: MongoDB.Bson (in MongoDB.Bson.dll) Version: 2.4.1

Syntax

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public virtual BsonDocument Add(
	string name,
	Func<BsonValue> valueFactory,
	bool condition
)

Public Overridable Function Add ( 
	name As String,
	valueFactory As Func(Of BsonValue),
	condition As Boolean
) As BsonDocument

abstract Add : 
        name : string * 
        valueFactory : Func<BsonValue> * 
        condition : bool -> BsonDocument 
override Add : 
        name : string * 
        valueFactory : Func<BsonValue> * 
        condition : bool -> BsonDocument

Parameters

name: Type: SystemString
The name of the element.
valueFactory: Type: SystemFuncBsonValue
A delegate called to compute the value of the element if condition is true.
condition: Type: SystemBoolean
Whether to add the element to the document.

Return Value

Type: BsonDocument
The document (so method calls can be chained).

Reference

BsonDocument Class

Add Overload

MongoDB.Bson Namespace