对话框的隐藏和出现


CRect  rc;

 int    moves = 10;     //动画滚动窗体的步数

 int    xStep, yStep;

 int    xEnd, yEnd;

 int    width;

 int    height;

 

 GetWindowRect(&rc);

 width = rc.right - rc.left;

 height = rc.bottom - rc.top;

 //下边判断窗体该如何移动,由停靠方式决定

 switch (alignType)

 {

  case ALIGN_TOP:

   {

    //向上隐藏

    xStep = 0;

    xEnd  = rc.left;

    if (hide)

    {

     yStep = -rc.bottom / moves;

     yEnd  = -height + NEAR_SIDE ;

    }

    else

    {

     yStep = -rc.top / moves;

     yEnd  = 0;

    }

    break;

   }

  case ALIGN_LEFT:

   {

    //向左隐藏

    yStep = 0;

    yEnd  = rc.top;

    if (hide)

    {

     xStep = -rc.right / moves;

     xEnd  = -width + NEAR_SIDE;

    }

    else

    {

     xStep = -rc.left / moves;

     xEnd  = 0;

    }

    break;

   }

  case ALIGN_RIGHT:

   {

    //向右隐藏

    yStep = 0;

    yEnd  = rc.top;

    if (hide)

    {

     xStep = (ScreenX - rc.left) / moves;

     xEnd  = ScreenX - NEAR_SIDE;

    }

    else

    {

     xStep = (ScreenX - rc.right) / moves;

     xEnd  = ScreenX - width;

    }

    break;

   }

  default:

   {

    return;

   } 

 }

 //动画滚动窗体.

 for (int i = 0; i < moves; i++)

 {

  rc.left += xStep;

  rc.top  += yStep;

  SetWindowPos(NULL, rc.left, rc.top, width, height,SWP_NOSIZE | SWP_NOSENDCHANGING);

  RedrawWindow(NULL, NULL, RDW_INVALIDATE | RDW_UPDATENOW);

  //UpdateWindow();

  Sleep(2);

 }

 SetWindowPos(&wndTopMost, xEnd, yEnd,width, height, SWP_NOSIZE);

 //如果窗体已被显示,设置定时器,监视鼠标

 if (!hide) 

 {

  SetTimer(WM_TIMER, 50, NULL);

 }