先声明三个函数:
FUNCTION ulong SetWindowRgn(ulong hWnd,ulong hRgn,boolean bRedraw) LIBRARY "user32.dll"
Function Long DeleteObject(long hObject) library "gdi32"
Function long CreateRoundRectRgn(long X1,long y1,long x2,long y2,long x3,long y3) Library "gdi32"
全局变量:
long ll_handle