我猜是因为你没有对winapi声明,把下面api的声明放到所有代码里最上方再试试'send**的声明private declare function send** lib "user32" alias "send**a" (byval hwnd as long, byval wmsg as long, byval wparam as long, lparam as any) as long'findwindow的声明private declare function findwindow lib "user32" alias "findwindowa" (byval lpclassname as string, byval lpwindowname as string) as long'wm_click常量值const wm_click = &hf5spy++的用法是,拖拽方块里的图标到窗口上,便能显示出窗口的句柄等信息。 20210311