ParameterCount property
Release 9.3 Last modified January 19, 2010	Print all topics in : "Properties and Methods"

Note: This topic was updated for 9.3.1.

Returns the number of parameters

Syntax

variable = object.ParameterCount

Return Value

Long

Examples

import arcgisscripting 
gp = arcgisscripting.create(9.3)

gp.OverWriteOutput = 1

try:
    # ParameterCount can be used to check that the correct number of
    #   parameters have been entered. If less than 2 have been specified
    #   raise an error.
    #
    if gp.ParameterCount < 2:
        raise "ParameterError"
    else:
        inputFC = gp.GetParameterAsText(0)
        outputFC = gp.GetParameterAsText(1)
        gp.CopyFeatures(inputFC, outputFC)

except "ParameterError":
    # Return an error message
    #
    errMessage = "2 parameters are required, only " + str(gp.ParameterCount) + " specified." 
    gp.adderror(errMessage)
    print errMessage

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