The length of the edit mask determines the number of the possible input positions. If the user enters characters that do not correspond to the edit mask, the input is rejected when the user leaves the field. You can enter the following characters to define the edit mask:
编辑掩码的长度决定了可能的输入位置的数量。如果用户输入的字符与编辑掩码不符，则当退出该字段时将拒绝输入的内容。可以输入以下字符来定义编辑掩码：