Normal control characters (characters with values less than 32) : This especially includes character 0, traditionally called NUL; I call it NIL to distinguish it from c's NULL pointer.

常规控制字符(字符值小于32)：还特别包括字符0，传统上称做NUL；我把它称为NIL以区别于c语言中的NULL指针。

youdao

Call this function to get the starting and ending character positions of the current selection (if any) in an edit control, using either the return value or the parameters.

调用此成员函数获取一个编辑控件中当前被选中部分(如果有)的起始和结束位置，可用参数也可用返回值。

youdao

Call this function to get the starting and ending character positions of the current selection (if any) in an edit control, using either the return value or the parameters.

调用此成员函数获取一个编辑控件中当前被选中部分(如果有)的起始和结束位置，可用参数也可用返回值。

youdao