The pointer is not properly initialized Error

Tue, 02 Jun 2020 01:51:16 -0700 

Hi All,

I am trying to run a code in 4D v16.4 and get The pointer is not properly
initialized Error from 3 separate lines.

This is the code as follows

C_POINTER($4;$arg)
.....
.....
$arg:=$4

Case of 
        : ($event=imageSaved)
                
                C_TEXT($imagePath)
                $imagePath:=$arg->     //This line throws pointer not 
initialized error




: ($event=resolution)  //Resolution - $arg-> is array longint[2] (horz, vert
res)
                
                ......................
                        
                        $arg->{1}:=gResolution    //This line throws pointer 
not initialized
error
                        $arg->{2}:=gResolution




......................


: ($event=pixelFormat)  //format - $arg-> is longint
                
                
                If (gFormatsPopup>0)
                        
                        $arg->:=gFormats{gFormatsPopup} //This line also throws 
pointer not
initialized error



It throws the error in those 3 different places causing 4D to crash

Any idea about how to make this work?



Thanks & Regards
Nisha Fernando





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