给listbox增加水平滚动条:
HANDLE hWnd = m_list.GetSafeHwnd();if(hWnd)
{
//m_list.SendMessage(LB_SETHORIZONTALEXTENT, 2000, 0); //1
SendMessage(hWnd, LB_SETHORIZONTALEXTENT, 2000, 0); //2
AfxMessageBox("");
}1句没起作用,2句编译不通过(function does not take 4 parameters)
请问怎么办??
HANDLE hWnd = m_list.GetSafeHwnd();if(hWnd)
{
//m_list.SendMessage(LB_SETHORIZONTALEXTENT, 2000, 0); //1
SendMessage(hWnd, LB_SETHORIZONTALEXTENT, 2000, 0); //2
AfxMessageBox("");
}1句没起作用,2句编译不通过(function does not take 4 parameters)
请问怎么办??
解决方案 »
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