private bool IsScrollReachedBottom(IntPtr handle) { SCROLLINFO scrollInfo = new SCROLLINFO(); scrollInfo.cbSize = (uint)Marshal.SizeOf(scrollInfo); scrollInfo.fMask = (uint)(ScrollInfoMask.SIF_RANGE | ScrollInfoMask.SIF_PAGE | ScrollInfoMask.SIF_TRACKPOS); if (NativeMethods.GetScrollInfo(handle, (int)SBOrientation.SB_VERT, ref scrollInfo)) { return scrollInfo.nMax == scrollInfo.nTrackPos + scrollInfo.nPage - 1; } if (images.Count > 1) { bool result = ImageHelpers.IsImagesEqual((Bitmap)images[images.Count - 1], (Bitmap)images[images.Count - 2]); if (result) { Image last = images[images.Count - 1]; images.Remove(last); last.Dispose(); } return result; } return false; }
private bool IsScrollReachedBottom(IntPtr handle) { SCROLLINFO scrollInfo = new SCROLLINFO(); scrollInfo.cbSize = (uint)Marshal.SizeOf(scrollInfo); scrollInfo.fMask = (uint)(ScrollInfoMask.SIF_RANGE | ScrollInfoMask.SIF_PAGE | ScrollInfoMask.SIF_TRACKPOS); if (NativeMethods.GetScrollInfo(handle, (int)SBOrientation.SB_VERT, ref scrollInfo)) { return scrollInfo.nMax == scrollInfo.nTrackPos + scrollInfo.nPage - 1; } return IsLastTwoImagesSame(); }
public static extern bool GetScrollInfo(IntPtr hwnd, int fnBar, ref SCROLLINFO lpsi);