ParameterCount property |
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Release 9.3
Last modified January 19, 2010 |
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Note:
This topic was updated for 9.3.1.
Returns the number of parameters
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