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ObjectStateEntry.IEntityChangeTracker.EntityComplexMemberChanging Method

Notifies the state manager that a complex property has a pending change.

Namespace:  System.Data.Objects
Assembly:  System.Data.Entity (in System.Data.Entity.dll)
void IEntityChangeTracker.EntityComplexMemberChanging(
	string entityMemberName,
	Object complexObject,
	string complexObjectMemberName
)

Parameters

entityMemberName
Type: System.String
The name of the complex property. This property returns the complex object.
complexObject
Type: System.Object
The complex object that contains the property that is changing.
complexObjectMemberName
Type: System.String
The name of the property on the complex object that is changing.

Implements

IEntityChangeTracker.EntityComplexMemberChanging(String, Object, String)
ExceptionCondition
ArgumentNullException

The value of entityMemberName is null (Nothing in Visual Basic).

-or-

The value of complexObjectMemberName is null (Nothing in Visual Basic).

InvalidOperationException

The complexObject is null (Nothing in Visual Basic). Objects cannot have complex properties that are null.

The current value of the specified property is cached when this method is called. This method is called before a property is changed.

.NET Framework

Supported in: 4, 3.5 SP1

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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