是否剪辑子对话框的代码控制

HWND m_SysDlgHwnd;                 m_SysDlgHwnd=GetSafeHwnd();
 

         extern HWND m_SysDlgHwnd;
LONG style = GetWindowLong(m_SysDlgHwnd,GWL_STYLE);

style &= ~WS_CLIPSIBLINGS ;

style &= ~WS_CLIPCHILDREN ;

SetWindowLong(m_SysDlgHwnd,GWL_STYLE,style);

extern HWND m_SysDlgHwnd;

LONG style = GetWindowLong(m_SysDlgHwnd,GWL_STYLE);

style = style | WS_CLIPSIBLINGS ;

style = style | WS_CLIPCHILDREN ;

SetWindowLong(m_SysDlgHwnd,GWL_STYLE,style);