Use ui.owner to obtain reference to igEditor.
Use ui.newValue to obtain the new value.
Use ui.oldValue to obtain the old value.
Use ui.editorInput to obtain reference to the editor input.'Declaration Public Const ValueChanging As System.String
public const System.string ValueChanging
Target Platforms: Windows 8.1, Windows 8.1, Windows 8, 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
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