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I have the following script language code shown below within a main code just to run the tool of spatial analyst "Extract by mask". Unfortunately, when I run it I get a Run Time Error. I checked file names etc. but I cannot find the problem. Could anybody help me please? Thnaks.

Dim GP As Object
Set GP = CreateObject("esriGeoprocessing.GpDispatch.1")

GP.AddToolbox "C:/Program Files/ArcGIS/ArcToolbox/Toolboxes/Spatial Analyst  Tools.tbx"


InRaster = "C:\LACONISS\LandSpaCES\valuationmapr"
InMask = "C:\LACONISS\LandSpaCES\Parcel165"
OutRaster = "C:\LACONISS\LandSpaCES\ParcelR165"

GP.CheckOutExtension ("Spatial")

GP.ExtractByMask_sa InRaster, InMask, OutRaster
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Does your code exist in VBA? If not, I do not think you can use Set in vb.net. Also, looks like you have an extra space between Spatial Analyst and Tools.tbx. –  artwork21 Dec 15 '11 at 15:56
    
Yes the code is in VBA. The extra space is just a typing error above. –  Demetris Dec 15 '11 at 16:16
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Does your ExtractByMask_sa need to have parenthesis around its parameters? Do you know the specific line that is raising the error? If you want the correct format you could just setup this tool in Model Builder than export it out to VBS. –  artwork21 Dec 16 '11 at 1:49
    
Thanks for the effort.I found the problem. The syntax is correct. The problem is that one of the files was empty. –  Demetris Dec 16 '11 at 19:42
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