The GetProp function retrieves a data handle from the property list of the specified window. The character string identifies the handle to be retrieved. The string and handle must have been added to the property list by a previous call to the SetProp function.
不知是否对你有帮助,
也希望后面贴帖的朋友能翻译得更好!!
character string(字符串)用来标识将要获得的句柄。