[PB] How to restrict the use of the mouse buttons to scroll in the data window

How to restrict the scrolling of the data window with the middle mouse button

Q: How can I restrict the scrolling of a data window in freeForm format? I don't know which line it will automatically scroll when I press the mouse button on her. A: If you want to disable the use of the middle key, write it in the other event in dw: If message. number = 522 then return 1 By the way, let's talk about windows mouse system messages. WM_MOUSEMOVE = 512; move the mouse WM_LBUTTONDOWN = 513; left click to press WM_LBUTTONUP = 514; left-click release WM_LBUTTONDBLCLK = 515; double-click WM_RBUTTONDOWN = 516; right-click and press WM_RBUTTONUP = 517; right-click to release WM_RBUTTONDBLCLK = 518; right-click WM_MBUTTONDOWN = 519; middle click (3 key mouse Only) WM_MBUTTONUP = 520; key release (3-Key mouse Only) WM_MBUTTONDBLCLK = 521; double-click the key (3-Key mouse Only) WM_MOUSEWHEEL = 522; middle scroll wheel (3-Key mouse Only) These events can be captured in the control or window's other time, and then processed accordingly.