AF SDK Reference

IAFTransactable.IsDirty Property

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IAFTransactable.IsDirty Property

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Last UpdatedNov 18, 2025
2 minute read

Indicates whether the object or one of its sub-objects have been modified since the last save in to persistent storage.

Namespace: OSIsoft.AF
Assembly: OSIsoft.AFSDK (in OSIsoft.AFSDK.dll) Version: 3.1.1.1182

Syntax

bool IsDirty { get; }

ReadOnly Property IsDirty As Boolean
	Get

Dim instance As IAFTransactable
Dim value As Boolean

value = instance.IsDirty

property bool IsDirty {
	bool get ();
}

abstract IsDirty : bool with get

Property Value

Type: Boolean
Indicates whether the object or one of its sub-objects have been modified since it was saved to persistent storage.

Remarks

An object is saved to persistent storage by calling the CheckIn or ApplyChanges method on the object. All objects in the database can be saved to persistent storage by calling one of the AFDatabase.CheckIn Overload or AFDatabase.ApplyChanges Overload methods on the AFDatabase.

AF SDK Reference