Picture event is generated when a user moves data to the given target graphic object. Within event handling, there is necessary to get a required data and following them to modify the content of graphic object. First, there must be detected what type of data format was transferred by %IsDragData function and following it to get data in the appropriate format through these functions:

• %GetDragDataText
• %GetDragDataFileList
• %GetDragDataIPS

To define a position for placing the new data in a target object, use these functions:

• %HI_TVQueryDnDItem – finding out the current position of data in Browser displayer
• %HI_LVQueryDnDItem – finding out the current position of data in Tree view

Based on these data, it is necessary to modify the target graphic object to reflect the executed Drop operation.