개발 참고자료

All you have to do is to send a particular message to Windows.Window message:
WM_SCROLL 276 // Horizontal scroll
WM_VSCROLL 277 // Vertical scroll

Parameters:
SB_LINEUP 0 // Scrolls one line up.
SB_LINELEFT 0
SB_LINEDOWN 1 // Scrolls one line down.
SB_LINERIGHT 1
SB_PAGEUP 2 // Scrolls one page up.
SB_PAGELEFT 2
SB_PAGEDOWN 3 // Scrolls one page down.
SB_PAGERIGHT 3
SB_TOP 6 // Scrolls to the upper left.
SB_LEFT 6
SB_BOTTOM 7 // Scrolls to the lower right.
SB_RIGHT 7
SB_ENDSCROLL 8 // Ends scroll.

[powerscript]
//
// Scroll Window one page down
// WM_VSCROLL = 277
// SB_PAGEDOWN = 3
//
Send(Handle(this), 277, 3, 0)