Version 6.8.x and 2003.x
To procedurally display a non bitmap picture on a form in the transparent mode, you must first set the picture format of the picture variable to "On Background".
Next, you must execute the command AP SET PICT MODE (PictureVar;1) every time you assign a picture into the picture variable. The execution of this command with the 2nd parameter of 1 will set 4D to display the picture in transparent mode
Default display mode