ExcelIntegrationPTFlash4 Method

[ExcelFunctionAttribute(Description = "Calculates a Pressure / Temperature Flash using the selected Property Package.", 
	HelpTopic = "ExcelAddInHelp.chm!12")]
public static Object[,] PTFlash4(
	[ExcelArgumentAttribute("The name of the Property Package to use.")] string proppack,
	[ExcelArgumentAttribute("Pressure in Pa.")] double P,
	[ExcelArgumentAttribute("Temperature in K.")] double T,
	[ExcelArgumentAttribute("Compound names.")] Object[] compounds,
	[ExcelArgumentAttribute("Compound mole fractions.")] double[] molefractions,
	[ExcelArgumentAttribute("Interaction Parameters Set #1.")] Object ip1,
	[ExcelArgumentAttribute("Interaction Parameters Set #2.")] Object ip2,
	[ExcelArgumentAttribute("Interaction Parameters Set #3.")] Object ip3,
	[ExcelArgumentAttribute("Interaction Parameters Set #4.")] Object ip4,
	[ExcelArgumentAttribute("Interaction Parameters Set #5.")] Object ip5,
	[ExcelArgumentAttribute("Interaction Parameters Set #6.")] Object ip6,
	[ExcelArgumentAttribute("Interaction Parameters Set #7.")] Object ip7,
	[ExcelArgumentAttribute("Interaction Parameters Set #8.")] Object ip8
)

<ExcelFunctionAttribute(Description := "Calculates a Pressure / Temperature Flash using the selected Property Package.", 
	HelpTopic := "ExcelAddInHelp.chm!12")>
Public Shared Function PTFlash4 ( 
	<ExcelArgumentAttribute("The name of the Property Package to use.")> proppack As String,
	<ExcelArgumentAttribute("Pressure in Pa.")> P As Double,
	<ExcelArgumentAttribute("Temperature in K.")> T As Double,
	<ExcelArgumentAttribute("Compound names.")> compounds As Object(),
	<ExcelArgumentAttribute("Compound mole fractions.")> molefractions As Double(),
	<ExcelArgumentAttribute("Interaction Parameters Set #1.")> ip1 As Object,
	<ExcelArgumentAttribute("Interaction Parameters Set #2.")> ip2 As Object,
	<ExcelArgumentAttribute("Interaction Parameters Set #3.")> ip3 As Object,
	<ExcelArgumentAttribute("Interaction Parameters Set #4.")> ip4 As Object,
	<ExcelArgumentAttribute("Interaction Parameters Set #5.")> ip5 As Object,
	<ExcelArgumentAttribute("Interaction Parameters Set #6.")> ip6 As Object,
	<ExcelArgumentAttribute("Interaction Parameters Set #7.")> ip7 As Object,
	<ExcelArgumentAttribute("Interaction Parameters Set #8.")> ip8 As Object
) As Object(,)