可重复使用的WNDCTRL类 这个类基本上容纳了一些隐藏的控件和窗口。一个 WndCtrl对象有两个状态, 即开和关。你必须把这个控件加到m_WndCtrl中。当WndCtrl被打开的时候,控件被创建,当WndCtrl被关闭的时候，控件被隐藏或撤销。WndCtrl将会是所有加到它上面的控件的父节点。WndCtrl可以在关闭或开着的状态下改变大小或重新定位。然而，关闭状态下的大小是静态的，不能被改变。无论大小是否被改变,都将会影响WndCtrl开着的状态- Might duplicate a WNDCTRL kind of this kind which used
basically holds some hideaways to control and the window. A WndCtrl
object has two conditions, namely opens with the pass. You must
control this to add to in m_WndCtrl. When WndCtrl is opened, controls
to found, when WndCtrl is closed, controls to hide or to abolish.
WndCtrl could be all adds to above it to control the father pitch
point. WndCtrl may the condition change the size under the closure
either is opening or relocate. However, under the off-position size is
the static state, cannot change. Regardless of size whether is
changed, all will be able to affect WndCtrl will be opening the
condition