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function OnEvent_Initialize(MessengerStart){	wnd = MsgPlus.CreateWnd("GUI.xml", "main");	Debug.Trace('x');	childWnd = MsgPlus.CreateChildWnd(wnd, "GUI.xml", "childWindow", 50, 50);		/*			SCROLLINFO infoScroll; ZeroMemory(&infoScroll, sizeof(infoScroll));		infoScroll.cbSize = sizeof(SCROLLINFO);		infoScroll.fMask = SIF_DISABLENOSCROLL|SIF_PAGE|SIF_POS|SIF_RANGE;		infoScroll.nPage = rcOptionsArea.Height();		infoScroll.nMax = pOptionsWnd->m_nRealHeight;		infoScroll.nPos = pOptionsWnd->m_nCurrentScrollPos;		if(infoScroll.nMax <= (int)infoScroll.nPage)		{		::EnableScrollBar(wndScroll, SB_CTL, ESB_DISABLE_BOTH);		wndScroll.ShowWindow(SW_HIDE);		}		else		{		::EnableScrollBar(wndScroll, SB_CTL, ESB_ENABLE_BOTH);		wndScroll.ShowWindow(SW_SHOW);		}		:: SetScrollInfo(wndScroll, SB_CTL, &infoScroll, TRUE);			*/	var SB_CTL = 2;		var SIF_DISABLENOSCROLL = 0x8;	var SIF_PAGE = 0x2;	var SIF_POS = 0x4;	var SIF_RANGE = 0x1;		var ESB_ENABLE_BOTH = 0x0;	var ESB_DISABLE_BOTH = 0x3;		var HWND = wnd.GetControlHandle("scrollBar");		var infoScroll = Interop.Allocate(512 +2);	infoScroll.WriteDWORD(0, 28); //cbSize	infoScroll.WriteDWORD(4, SIF_DISABLENOSCROLL|SIF_PAGE|SIF_POS|SIF_RANGE); //fMask	infoScroll.WriteDWORD(8, 0); //nMin	infoScroll.WriteDWORD(12, 150); //nMax	infoScroll.WriteDWORD(16, 10); //nPage	infoScroll.WriteDWORD(20, 50); //nPos	infoScroll.WriteDWORD(24, 0); //nTrackPos	 	var WM_VSCROLL = 0x115	wnd.RegisterMessageNotification(WM_VSCROLL, true);	 	var EnableScrollBar = Interop.Call("User32", "EnableScrollBar", HWND, SB_CTL, ESB_ENABLE_BOTH);		var SetScrollInfo = Interop.Call("User32", "SetScrollInfo", HWND, SB_CTL, infoScroll, true);		Debug.Trace("EnableScrollBar : "+EnableScrollBar);	Debug.Trace("SetScrollInfo : "+SetScrollInfo);}var SB_LINEUP = 0;var SB_LINEDOWN = 1;var SB_PAGEUP = 2;var SB_PAGEDOWN =3;var SB_THUMBPOSITION = 4;var SB_THUMBTRACK = 5;var SB_TOP  = 6;var SB_BOTTOM =7;var SB_ENDSCROLL = 8;function OnmainEvent_MessageNotification(PlusWnd, Message, wParam, lParam){	//Debug.Trace(wParam);		switch(wParam){		case SB_LINEDOWN : Debug.Trace("Line Down"); break;		case SB_LINEUP : Debug.Trace("Line Up"); break;		}		return true}