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<P align=justify>......//其它代码</P> 
<P align=justify>CTestToolBar::CTestToolBar()</P> 
<P align=justify>{ //在构造函数中初始化变量</P> 
<P align=justify>m_nColumns=0; //工具栏按钮列数</P> 
<P align=justify>m_cxLeftBorder=16; //左边界</P> 
<P align=justify>m_cxRightBorder=3; //右边界</P> 
<P align=justify>m_cyTopBorder=3; //顶边界</P> 
<P align=justify>m_cyBottomBorder=3;//底边界</P> 
<P align=justify>m_nFlags=0; //按键标志成员变量</P> 
<P align=justify>m_nIndex=0xffff; //按下的按钮号</P> 
<P align=justify>m_nFlagl=0; //左键按下标志</P> 
<P align=justify>m_nStated=TRUE; //工具栏状态</P> 
<P align=justify>}</P> 
<P align=justify>......//其它代码</P> 
<P align=justify>#ifdef _DEBUG//插入代码完善</P> 
<P align=justify>void CTestToolBar::AssertValid() const</P> 
<P align=justify>{ CToolBar::AssertValid(); }</P> 
<P align=justify>void CTestToolBar::Dump(CDumpContext&amp; dc) const</P> 
<P align=justify>{ CToolBar::Dump(dc); }</P> 
<P align=justify>#endif //_DEBUG</P> 
<P align=justify>......//其它代码</P> 
<P  
align=justify>虽然需要实现的函数比较多，但总起来说不过是取得客户区域或窗口所有区域的文本设备、建立画笔和绘图函数的集合，所以这里只给出了画按钮凸凹边线的函数，其它函数可仿造实现。</P> 
<P align=justify>void CTestToolBar::OnDrawBorder(int index,CDC &amp;dc,int  
flag)</P> 
<P align=justify>{ //画按钮边线flag=0凸=1凹</P> 
<P align=justify>CRect rect;</P> 
<P align=justify>GetItemRect(index,&amp;rect);//取得客户区域</P> 
<P align=justify>rect.right--;rect.bottom--;</P> 
<P align=justify>CPen *oldpen;</P> 
<P align=justify>UINT color1,color2;</P> 
<P align=justify>if (flag==0){//两种状态的颜色处理</P> 
<P align=justify>color1=COLOR_BTNHILIGHT;//按钮高度颜色</P> 
<P align=justify>color2=COLOR_BTNSHADOW; //按钮阴影颜色</P> 
<P align=justify>} else {</P> 
<P align=justify>color1=COLOR_BTNSHADOW;</P> 
<P align=justify>color2=COLOR_BTNHILIGHT;</P> 
<P align=justify>}</P> 
<P align=justify>CPen pen1(PS_SOLID,1,::GetSysColor(color1));</P> 
<P align=justify>CPen pen2(PS_SOLID,1,::GetSysColor(color2));</P> 
<P align=justify>dc.SelectStockObject(NULL_BRUSH);</P> 
<P align=justify>oldpen=dc.SelectObject(&amp;pen1);</P> 
<P align=justify>dc.MoveTo(rect.right,rect.top);//画按钮边亮线</P> 
<P align=justify>dc.LineTo(rect.left,rect.top);</P> 
<P align=justify>dc.LineTo(rect.left,rect.bottom);</P> 
<P align=justify>dc.SelectObject(&amp;pen2); //画按钮边暗线</P> 
<P align=justify>dc.MoveTo(rect.right,rect.top);</P> 
<P align=justify>dc.LineTo(rect.right,rect.bottom);</P> 
<P align=justify>dc.LineTo(rect.left,rect.bottom);</P> 
<P align=justify>//dc.SelectStockObject(BLACK_PEN);//画按钮边黑线</P> 
<P align=justify>//dc.MoveTo(rect.right+1,rect.top);</P> 
<P align=justify>//dc.LineTo(rect.right+1,rect.bottom+1);</P> 
<P align=justify>//dc.LineTo(rect.left,rect.bottom+1);</P> 
<P align=justify>dc.SelectObject(oldpen);</P> 
<P align=justify>DeleteObject(pen1);</P> 
<P align=justify>DeleteObject(pen2);</P> 
<P align=justify>}</P> 
<P align=justify>void CTestToolBar::OnDrawBorders()</P> 
<P align=justify>{ //实现平面工具条</P> 
<P align=justify>CRect rect;</P> 
<P align=justify>CPoint pt;</P> 
<P align=justify>GetCursorPos(&amp;pt); //取得鼠标指针</P> 
<P align=justify>ScreenToClient(&amp;pt);//变成窗口坐标</P> 
<P align=justify>int index;</P> 
<P align=justify>int count=GetCount();//工具条按钮总数</P> 
<P align=justify>CClientDC dc(this); //窗口客户区域</P> 
<P align=justify>TBBUTTON button; //按钮数据结构</P> 
<P align=justify>CToolBarCtrl &amp;ToolBarCtrl=GetToolBarCtrl();</P> 
<P align=justify>OnDrawGrapper(); //画把手</P> 
<P align=justify>for(index=0;index&lt;count;index++){</P> 
<P align=justify>GetItemRect(index,&amp;rect);//取得按钮矩形区域</P> 
<P align=justify>rect.left++;rect.top++;</P> 
<P align=justify>ToolBarCtrl.GetButton(index,&amp;button);//取得按钮信息</P> 
<P align=justify>if(button.fsState&amp;(TBSTATE_CHECKED|TBSTATE_HIDDEN))</P> 
<P align=justify>continue;</P> 
<P align=justify>if(button.fsStyle&amp;TBSTYLE_SEP){//画分隔线</P> 
<P align=justify>if(m_nNew!=0) OnDrawSep(index,dc);</P> 
<P align=justify>} else if ((m_nIndex==index)||</P> 
<P align=justify>button.fsState&amp;TBSTATE_PRESSED){//凹按钮</P> 
<P align=justify>OnEraseBorder(index,dc);//删除按钮边界</P> 
<P align=justify>if (rect.PtInRect(pt)) OnDrawBorder(index,dc,1);//绘下凹按钮</P> 
<P align=justify>else OnDrawBorder(index,dc,0);//绘凸出按钮</P> 
<P align=justify>} else if (!rect.PtInRect(pt)||m_nFlags==LBUTTONUP||</P> 
<P align=justify>!(button.fsState&amp;TBSTATE_ENABLED)){</P> 
<P align=justify>OnEraseBorder(index,dc);//删除按钮边界</P> 
<P align=justify>} else if (m_nFlags!=LBUTTONDOWN){//凸按钮</P> 
<P align=justify>OnEraseBorder(index,dc);//删除按钮边界</P> 
<P align=justify>if(m_nFlagl==0)//鼠标按下防止再次重新出现凸起</P> 
<P align=justify>OnDrawBorder(index,dc,0);//绘按钮边界</P> 
<P align=justify>}</P> 
<P align=justify>m_nFlags=0;//按下后移动后不正常凸起</P> 
<P align=justify>}</P> 
<P align=justify>ReleaseDC(&amp;dc);</P> 
<P align=justify>}</P> 
<P align=justify>void CTestToolBar::OnPaint()</P> 
<P align=justify>{ //完善重绘按钮功能</P> 
<P align=justify>CToolBar::OnPaint();</P> 
<P align=justify>OnDrawBorders();//处理所有按钮边界</P> 
<P align=justify>}</P> 
<P align=justify>void CTestToolBar::OnLButtonDown(UINT nFlags, CPoint point)</P> 
<P align=justify>{ //完善鼠标左键按下功能</P> 
<P align=justify>m_nFlags=LBUTTONDOWN;//设置鼠标按键标志</P> 
<P align=justify>m_nFlagl=1;</P> 
<P align=justify>CToolBar::OnLButtonDown(nFlags,point);//调原函数</P> 
<P align=justify>int index;</P> 
<P align=justify>int count=GetCount();//工具栏按钮总数</P> 
<P align=justify>TBBUTTON button;</P> 
<P align=justify>CToolBarCtrl &amp;ToolBarCtrl=GetToolBarCtrl();</P> 
<P align=justify>for(index=0;index&lt;count;index++){</P> 
<P align=justify>ToolBarCtrl.GetButton(index,&amp;button);//取得按钮信息</P> 
<P align=justify>if (button.fsState&amp;TBSTATE_PRESSED){ //记录按下按钮号</P> 
<P align=justify>m_nIndex=index;</P> 
<P align=justify>}</P> 
<P align=justify>}</P> 
<P align=justify>}</P> 
<P align=justify>void CTestToolBar::OnLButtonUp(UINT nFlags, CPoint point)</P> 
<P align=justify>{ //完善鼠标释放功能</P> 
<P align=justify>m_nFlags=LBUTTONUP;//设置鼠标按键标志</P> 
<P align=justify>m_nFlagl=0;</P> 
<P align=justify>CToolBar::OnLButtonUp(nFlags, point);//调原函数</P> 
<P align=justify>CRect rect;</P> 
<P align=justify>CPoint pt;</P> 
<P align=justify>GetCursorPos(&amp;pt);//取得光标位置</P> 
<P align=justify>ScreenToClient(&amp;pt);//变成窗口坐标</P> 
<P align=justify>CClientDC dc(this);//窗口客户区域</P> 
<P align=justify>if (m_nIndex!=0xffff){//判断按下按钮执行功能时仍下凹</P> 
<P align=justify>GetItemRect(m_nIndex,&amp;rect);//取得矩形区域</P> 
<P align=justify>rect.left++;rect.top++;</P> 
<P align=justify>OnEraseBorder(m_nIndex,dc);//删除按钮边界</P> 
<P align=justify>if (rect.PtInRect(pt)) OnDrawBorder(m_nIndex,dc,1);//绘下凹按钮</P> 
<P align=justify>}</P> 
<P align=justify>m_nIndex=0xffff;</P> 
<P align=justify>}</P> 
<P align=justify>void CTestToolBar::OnMouseMove(UINT nFlags, CPoint point)</P> 
<P align=justify>{ //完善鼠标移动功能</P> 
<P align=justify>CToolBar::OnMouseMove(nFlags, point);</P> 
<P align=justify>int index;</P> 
<P align=justify>int count=GetCount();//工具栏按钮总数</P> 
<P align=justify>CRect rect;</P> 
<P align=justify>if (nFlags&amp;MK_LBUTTON) m_nFlagl=1;//防止再次重新出现凸起</P> 
<P align=justify>else m_nFlagl=0;</P> 
<P align=justify>OnDrawBorders();//绘制所有按钮</P> 
<P align=justify>for(index=0;index&lt;count;index++){//判断鼠标在哪个按钮上</P> 
<P align=justify>GetItemRect(index,&amp;rect);</P> 
<P align=justify>rect.left++;rect.top++;</P> 
<P align=justify>if (rect.PtInRect(point)&amp;&amp;//取得移动过程中输入焦点</P> 
<P align=justify>!(GetButtonStyle(index)&amp;TBBS_SEPARATOR)){</P> 
<P align=justify>SetCapture();//设置鼠标输入焦点</P> 
<P align=justify>return;</P> 
<P align=justify>}</P> 
<P align=justify>}</P> 
<P align=justify>if (nFlags&amp;MK_LBUTTON){//防止移出而失去输入焦点</P> 
<P align=justify>SetCapture();//设置鼠标输入焦点</P> 
<P align=justify>m_nFlagl=1;</P> 
<P align=justify>return;</P> 
<P align=justify>} else m_nFlagl=0;</P> 
<P align=justify>ReleaseCapture();</P> 
<P align=justify>return;</P> 
<P align=justify>}</P> 
<P align=justify>void CTestToolBar::OnNcPaint()</P> 
<P align=justify>{ //背景重画函数</P> 
<P align=justify>CToolBar::OnNcPaint();</P> 
<P align=justify>OnDrawGrapper();</P> 
<P align=justify>}</P> 
<P align=justify>void CTestToolBar::SetState(UINT nLeft,BOOL nStated)</P> 
<P align=justify>{ //状态设置函数</P> 
<P align=justify>m_cxLeftBorder=nLeft;//左边界</P> 
<P align=justify>m_nStated=nStated; //工具栏状态</P> 
<P align=justify>}</P> 
<P align=justify>（4）有关派生类函数几点说明</P> 
<P align=justify>①画按钮凹凸边线函数OnDrawBorder()</P> 
<P
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