如何设置toolbar上的某个按钮为选中态（即为下压状态）？？切换为别的按钮后又恢复原态？

Question

如题！
这应该比较简单，但是由于对界面不甚了解，求个解决办法！

Answer 1

afx_msg void OnUpdateDrawType(CCmdUI* pCmdUI);
ON_UPDATE_COMMAND_UI_RANGE(ID_FD,ID_DELETE3, OnUpdateDrawType)
void CXXXView::OnUpdateDrawType(CCmdUI* pCmdUI) 
{
// TODO: Add your command update UI handler code here
CFlwDataDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
switch(pCmdUI->m_nID)
{
case ID_PEN:
pCmdUI->SetCheck(m_tpwhich==DRAW_PEN);
break;
case ID_LINE:
pCmdUI->SetCheck(m_tpwhich==DRAW_LINE);
break;
case ID_DISTILL:
pCmdUI->SetCheck(m_tpwhich==DRAW_DIST);
break;
case ID_RECTANGLE:
pCmdUI->SetCheck(m_tpwhich==DRAW_RECTANGLE&&rfill==0);
break;
case ID_RECTANGLE1:
pCmdUI->SetCheck(m_tpwhich==DRAW_RECTANGLE&&rfill==1);
break;
case ID_SELECT:
pCmdUI->SetCheck(m_tpwhich==DRAW_COPYRECT);
break;
case ID_DELETE:
pCmdUI->SetCheck(m_tpwhich==DRAW_DELETE&&m_delete==0);
break;
case ID_DELETE1:
pCmdUI->SetCheck(m_tpwhich==DRAW_DELETE&&m_delete==1);
break;
case ID_DELETE2:
pCmdUI->SetCheck(m_tpwhich==DRAW_DELETE&&m_delete==2);
break;
case ID_DELETE3:
pCmdUI->SetCheck(m_tpwhich==DRAW_DELETE&&m_delete==3);
break;
case ID_FILL:
pCmdUI->SetCheck(m_tpwhich==DRAW_FILL);
break;
case ID_MOZI:
pCmdUI->SetCheck(m_tpwhich==DRAW_MOZI&&mozi==1);
break;
case ID_MOZI1:
pCmdUI->SetCheck(m_tpwhich==DRAW_MOZI&&mozi==2);
break;
case ID_MOZI2:
pCmdUI->SetCheck(m_tpwhich==DRAW_MOZI&&mozi==3);
break;
case ID_MOZI3:
pCmdUI->SetCheck(m_tpwhich==DRAW_MOZI&&mozi==4);
break;
case ID_MOZI4:
pCmdUI->SetCheck(m_tpwhich==DRAW_MOZI&&mozi==5);
break;
case ID_TOUM:
pCmdUI->SetCheck(m_transparence);
break;
case ID_ROUND:
pCmdUI->SetCheck(m_tpwhich==DRAW_ROUND&&rfill==0);
break;
case ID_ROUND1:
pCmdUI->SetCheck(m_tpwhich==DRAW_ROUND&&rfill==1);
break;
case ID_MCOPY:
pCmdUI->SetCheck(m_tpwhich==DRAW_MCOPY);
break;
case ID_ADLINE:
pCmdUI->SetCheck(m_tpwhich==DRAW_ADLINE);
break;
case ID_CURVE:
pCmdUI->SetCheck(m_tpwhich==DRAW_CURVELINE||m_tpwhich==DRAW_CURVE);
break;
case ID_JP:
pCmdUI->SetCheck(jptemp);
break;
default:
break;
}
}

Answer 2

重载OnUpdateXXXX函数OnUpdateXXXX(CCmdUI* pCmdUI) 
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