我们可以执行不右击使用pCmdInfo-> lpVerb
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25-09-2019 - |
题
我不agnaist使用pCmdInfo->lpVerb
但我的问题是,我们将如何处理这种情况时,我们动态地创建右击子菜单。例如,我有以下情形:
if(strcmp(cRegKeyVal,"Connected")==0)
{
//g_bConnectStatus=TRUE;
InsertMenu ( m_hSubmenu , 0, MF_BYPOSITION|MF_GRAYED, m_uCmdID++, _T("Connect") );
InsertMenu ( m_hSubmenu , 1, MF_BYPOSITION, m_uCmdID++, _T("DicConnect") );
InsertMenu ( m_hSubmenu , 2, MF_BYPOSITION, m_uCmdID++, _T("Configure") );
InsertMenu ( m_hSubmenu , 3, MF_BYPOSITION, m_uCmdID++, _T("Menu4") );
InsertMenu ( m_hSubmenu , 4, MF_BYPOSITION, m_uCmdID++, _T("About") );
}
else
{
//g_bConnectStatus=FALSE;
InsertMenu ( m_hSubmenu , 0, MF_BYPOSITION, m_uCmdID++, _T("Connect") );
InsertMenu ( m_hSubmenu , 3, MF_BYPOSITION, m_uCmdID++, _T("Help") );
InsertMenu ( m_hSubmenu , 4, MF_BYPOSITION, m_uCmdID++, _T("About") );
}
..
..
InsertMenuItem ( hmenu, uMenuIndex, TRUE, &mii );
}
现在如果我使用pCmdInfo->lpVerb
带开关的情况下,如下面所示,则获取执行Case 1
我是否点击 DisConnect
(菜单项在如果强>条件在上述插入代码片段)或 Help
(菜单项中插入的否则强>部分如上述的代码片段)
switch ( LOWORD( pCmdInfo->lpVerb) )
{
case 0:
{
//Your Logi for Case-0
}
break;
case 1:
{
//Your Logi for Case-I
}
break;
}
解决方案
您应该存储菜单项标识符(或偏移?)在QueryContextMenu用于以后在InvokeCommand:
QueryContextMenu()
{
m_uConnectId = m_uCmdID++;
InsertMenu( m_hSubMenu, "Connect" );
m_uHelpId = m_uCmdID++;
InsertMenu( m_hSubMen, "Help" );
}
InvokeCommand()
{
ULONG uCmdID = LOWORD( pCmdInfo->lpVerb );
if( uCmdID == m_uConnectId )
{
// do "Connect"
}
else if( uCmdID == m_uHelpId )
{
// do "Help"
}
}
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