//=====================================================================
 /// <summary>
 /// Get the 32-bit thumb position of the specified scrollbar in the specified control
 /// </summary>
 /// <param name="handle">The handle to the control containing the scrollbar</param>
 /// <param name="scrollBar">0 for horizontal, 1 for vertical</param>
 /// <returns>The 32-bit thumb position of the requested scrollbar</returns>
 internal static int ScrollThumbPosition(IntPtr handle, int scrollBar)
 {
     SCROLLINFO scrollInfo = new SCROLLINFO();
     scrollInfo.fMask = 0x10;
     UnsafeNativeMethods.GetScrollInfo(handle, scrollBar, scrollInfo);
     return scrollInfo.nTrackPos;
 }