零长度

• Is considered a zero - length string
  视为零长度字符串(
• Returns a zero - length string
  返回零长度字符串" 。
• Always returns the same instance when called with the zero - length string
  对于单实例对象，当使用零长度字符串(
• If the user clicks cancel , a zero - length string is returned
  如果用户单击“取消”按钮，则返回一个零长度字符串。
• A zero - length array of bytes
  零长度的字节数组
• If you supply a zero - length string , the current drive doesn t change
  如果提供零长度字符串( " ) ，则当前驱动器不更改。
• Data type , the default operation is to load a zero - length string
  数据类型的列，则默认操作是加载一个零长度的字符串。
• A delimiter is zero - length
  分隔符为零长度(
• As a zero - length string
  视为零长度字符串(
• Not the same as a zero - length string ; used for calling external procedures
  与零长度字符串( " )不同；用于调用外部过程。