Tech Tip: Loading a Picture from a File
PRODUCT: 4D | VERSION: | PLATFORM:
Published On: September 10, 1999
It is possible to loading a picture into 4D using the DOCUMENT TO BLOB command and the 4D_Pack AP Read picture BLOB commands. The following code is an example for loading a picture:
Cut and Paste the following code example into your
own 4D project
$vhDocRef:=CLOSE DOCUMENT(Open document("")) ` Select the document of your choice
If (OK=1) ` If a document has been chosen
DOCUMENT TO BLOB(Document;vBlob) ` Load the file
If (OK=1) ` If the document has been loaded
$error:=AP Read picture BLOB (vBlob;vPicture)
If ($error#0)
ALERT("An error has occurred.")
End if
End if
End if