//声明这些外部函数
//Function long FindWindowA (ref string lpClassName, ref string lpWindowName ) Library "user32.dll"
//Function long SetWindowPos (long handleW1, long handleW1InsertWhere , long x,long y , long cx, long cy , long uFlags) Library "user32.dll"
//常量定义
long ABM_GETSTATE = 4
long ABS_AUTOHIDE = 1
long ABS_ALWAYSONTOP = 2