一个类似VC的界面，左边、底下有两个可浮动、可变大小的控制窗口。许多朋友都希望在自己的程序中实现类似的界面，因为此种类型的界面用途很广、通用性很强-an interface similar to the VC, to the left, under a two floating, variable size of the control window. Many friends want their own procedures to achieve a similar interface, b