>>>>>>>How to copy the contents of a blob field in a table into an array of bytes.
>>>>>>>
>>>>>>
>>>>>>VFP doesn't have byte data type. Please clarify.
>>>>>
>>>>>It does *sortof*. I've defined arrays as byte (DIME aTest[100] as BYTE, aTest = 'X') to pass to COM servers and they are recognized as VT_UI1. TYPE() in VFP returns 'N'. I guess it depends on what the array is to be used for.
>>>>
>>>>
>>>>Sergey & Gary,
>>>>
>>>>Thanks for responding to my posting.
>>>>
>>>>Actually, my purpose has to do with COM. I'm developing a COM server. The client will pass a reference (pointer) to a byte array to the COM sever. The COM server will transfer the data from the blob field into the byte array.
>>>>
>>>>So, how, in my VFP COM server can I transfer the data from the blob into the byte array?
>>>>
>>>>Looks like VFP Dimension statement knows about the Byte data type, by the CAST function does not.
>>>>
>>>>Thanks,
>>>>Jim
>>>
>>>
>>>Does something like the following work?
>>>
>>>DIME MyPassedArray[LEN(MyBlob)]
>>>
>>>FOR nInc = 1 TO LEN(MyBlob)
>>> MyPassedArray[nInc]=SUBSTR(MyBlob,nInc,1)
>>>ENDFOR
>>
>>Gary,
>>I just got to try your suggestion. The blob field is part of a view. When I try the code you suggest:
>>
>> FOR nIx = 1 TO nBlobSize
>> nBlobData[nIx] = SUBSTR(BlobData, nIx, 1)
>> ENDFOR
>>
>>Where, BlobData is the name of the blob field in the view. I get the following error message:
>>
>> Function argument value, type, or count is invalid
>>
>>I get the sam error if I use vMyView.BlobData as the first argument.
>>Again, thanks for your suggestions.
>>Jim
>
>What is the type of the BlobData field?

Its type is Blob - binary data