| MQL5 Reference / Standard Library / Panels and Dialogs / CScrollV / OnThumbDragStart |
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OnThumbDragStart
The virtual handler of the control "ThumbDragStart" (drag start) event.
virtual bool OnThumbDragStart() |
Return Value
true - event processed, otherwise - false.
Note
The "ThumbDragStart" event occurs at start of the drag operation.