对话框上有一个静态文本控件，我调用该控件的OnPaint(),这个函数会不会调用对话框的OnPaint()

谢谢 问题点数：50、回复次数：2Top

1 楼liu_feng_fly（笑看风云 搏击苍穹 衔日月）回复于 2002-04-23 12:26:29 得分 40

onpaint()函数是不应该自己调用的,需要重画,可以调用  
  invalidate()函数  
  CWnd::Invalidate  
  void   Invalidate(   BOOL   bErase   =   TRUE   );  
   
  Parameters  
   
  bErase  
   
  Specifies   whether   the   background   within   the   update   region   is   to   be   erased.  
   
  Remarks  
   
  Invalidates   the   entire   client   area   of   CWnd.   The   client   area   is   marked   for   painting   when   the   next   WM_PAINT   message   occurs.   The   region   can   also   be   validated   before   a   WM_PAINT   message   occurs   by   the   ValidateRect   or   ValidateRgn   member   function.  
   
  The   bErase   parameter   specifies   whether   the   background   within   the   update   area   is   to   be   erased   when   the   update   region   is   processed.   If   bErase   is   TRUE,   the   background   is   erased   when   the   BeginPaint   member   function   is   called;   if   bErase   is   FALSE,   the   background   remains   unchanged.   If   bErase   is   TRUE   for   any   part   of   the   update   region,   the   background   in   the   entire   region,   not   just   in   the   given   part,   is   erased.    
   
  Windows   sends   a   WM_PAINT   message   whenever   the   CWnd   update   region   is   not   empty   and   there   are   no   other   messages   in   the   application   queue   for   that   window.  
   
  Top

2 楼alexzhou（你的明天会怎样）回复于 2002-04-23 12:32:25 得分 10

updateWindow   发送WM_PAINT   消息Top

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