JsonValueExtensionsGetDoubleOrDefault(JsonValue, Double, JsonValueType) Method

Gets the specified JsonValue as a Double value if expectedType is Undefined or matches the Type property of the specified json parameter and it can be converted to Double; otherwise, returns defaultValue.

Definition

Namespace: KGySoft.Json
Assembly: KGySoft.Json (in KGySoft.Json.dll) Version: 3.0.0
C#
public static double GetDoubleOrDefault(
	this JsonValue json,
	double defaultValue = 0,
	JsonValueType expectedType = JsonValueType.Undefined
)

Parameters

json  JsonValue
The JsonValue to be converted to Double.
defaultValue  Double  (Optional)
The value to be returned if the conversion fails. This parameter is optional.
Default value: 0.0.
expectedType  JsonValueType  (Optional)
The expected Type of the specified json parameter, or Undefined to allow any type. This parameter is optional.
Default value: Undefined.

Return Value

Double
A Double value if json could be converted; otherwise, defaultValue.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type JsonValue. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

See Also