BLOB_ReadData
Trevor DeVore
lists at mangomultimedia.com
Thu Aug 7 03:13:05 CDT 2003
Hi,
I have a question regarding the VXCMD and Blob_ReadData. I am using the VXCMD with Revolution. In the Valentina VXCMD Ref docs it says:
BLOB_ReadData( fldRef, MemBuffer, BytesToRead )
.....
Read from the BLOB field into MemBuffer the specifid number of bytes. You are responsible
that BytesToRead is NOT greater than size of MemBuffer, otherwise you can get a
crash or RAM corruption.
and gives this example:
put Valentina("BLOB_GetDataSize", fldPhotoRef ) into blobSize
put Valentina("MemBuffer_Allocate", blobSize ) into blobValueRef
get Valentina("BLOB_ReadData", fldPhotoRef , blobValueRef, blobSize )
What I am wondering is how to get at the data from the BLOB field in Revolution after it has been read into MemBuffer? I have everything in my code working up to that point but now I'm stumped.
Also, do I use BLOB_ReadData for Text fields as well?
Thanks,
--
Trevor DeVore
Blue Mango Multimedia
trevor at mangomultimedia.com
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