date it if (si.nPos != iVertPos) { ScrollWindow ( hwnd, 0, cyChar * (iVertPos - si.nPos), NULL, NULL) ; UpdateWindow (hwnd) ; } return 0 ; case WM_HSCROLL: // Get all the vertical scroll bar information si.cbSize = sizeof (si) ; si.fMask = SIF_ALL ;
// Save the position for comparison later on GetScrollInfo (hwnd, SB_HORZ, &si) ; iHorzPos = si.nPos ;
switch (LOWORD (wParam)) { case SB_LINELEFT: si.nPos -= 1 ; break ; case SB_LINERIGHT: si.nPos += 1 ; break ; case SB_PAGELEFT: si.nPos -= si.nPage ; break ; case SB_PAGERIGHT: si.nPos += si.nPage ; break ; case SB_THUMBPOSITION: si.nPos = si.nTrackPos ; break ; default : break ; } // Set the position and then retrieve it. Due to adjustments // by Windows it may not be the same as the value set.
si.fMask = SIF_POS ; SetScrollInfo (hwnd, SB_HORZ, &si, TRUE) ; GetScrollInfo (hwnd, SB_HORZ, &si) ; // If the position has changed, scroll the window
if (si.nPos != iHorzPos) { ScrollWindow ( hwnd, cxChar * (iHorzPos - si.nPos), 0, NULL, NULL) ; } return 0 ; case WM_PAINT : hdc = BeginPaint (hwnd, &ps) ; // Get vertical scr |