Progress Bar Control 之 SetRange

通过两个消息设置进度条控件范围：

  • PBM_SETRANGE
  • PBM_SETRANGE32

本以为两个消息应该是大同小异，谁知连参数都变了，试了半天才发现：

  • 1 lResult = SendMessage(     // returns LRESULT in lResult
    2         (HWND) hWndControl,        // handle to destination control
    3         (UINT) PBM_SETRANGE,       // message ID
    4         (WPARAM) wParam,           // = (WPARAM) 0; not used, must be zero
    5         (LPARAM) lParam            // = (LPARAM) MAKELPARAM (nMinRange(默认0), nMaxRange(默认100))
    6         );
  • 1 lResult = SendMessage(      // returns LRESULT in lResult    
    2     (HWND) hWndControl,      // handle to destination control     
    3     (UINT) PBM_SETRANGE32,      // message ID    
    4     (WPARAM) wParam,      // = (WPARAM) (int) iLowLim;    
    5     (LPARAM) lParam      // = (LPARAM) (int) iHighLim; 
    6 );
posted @ 2011-09-20 10:34  iThinking  阅读(386)  评论(0)  编辑  收藏  举报