qck.hlp (Table of Contents; Topic list)
Important Notice
The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
DragOver Event
  Summary  Details  Example                Contents  Index  Back
──────────────────────────────────────────────────────────────────────────────
 Occurs when a drag-and-drop operation is in progress. You can use the
 DragOver event to monitor when the mouse pointer enters, leaves, or is
 directly over a valid target. The position of the mouse pointer determines
 which target object receives this event.
 
    SUB Form_DragOver (Source AS CONTROL, X AS SINGLE, Y AS SINGLE, State AS
                       INTEGER)
    SUB ctlname_DragOver ([Index AS INTEGER,] Source AS CONTROL, X AS SINGLE,
                           Y AS SINGLE, State AS INTEGER)
 
    ■ Source  Control being dragged. You can refer to properties and methods
              with the Source argument. For example:
 
                   Source.Visible = 0
 
    ■ X, Y    Current horizontal (X) and vertical (Y) positions of the mouse
              pointer within the target form or control.
 
    ■ State   Transition state of the control being dragged in relation to a
              target form or control:
 
              Value     Description
              ═════     ════════════════════════════════════════════════════
              0         Entering; source control is being dragged within the
                        range of a target
              1         Leaving; source control is being dragged out of the
                        range of a target
              2         Over; source has moved from one position over the
                        target to another
 
     ■ Index   Uniquely identifies a control in a control array.
 
 Applies To
    Check Box Control                Combo Box Control
    Command Button Control           Directory List Box Control
    Drive List Box Control           File List Box Control
    Form                             Frame Control
    Horizontal Scroll Bar Control    Label Control
    List Box Control                 Option Button Control
    Picture Box Control              Text Box Control
    Vertical Scroll Bar Control
 
 See Also
    DRAG Method                      DragDrop Event
    DragMode Property