Event which is raised when a label of the bullet graph is formatted.
Function takes first argument null and second argument ui.
Use ui.owner to obtain reference to bullet graph widget.
Use ui.actualMinimumValue to obtain the mimimum value of bullet graph scale.
Use ui.actualMaximumValue to obtain the maximum value of bullet graph scale.
Use ui.value to obtain the value on the bullet graph scale associated with the label.
Use ui.label to obtain the string value of the label.
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
