Align your code to the correct tab position 使代码与正确的制表符位置对
2.
Gets or sets the number of tab positions to indent the beginning of each line of markup 获取或设置用以缩进每一行标记的开始位置的制表符位置数。
3.
Property determines the number of tab positions in the selected paragraph or in those paragraphs following the insertion point 属性确定在选定的段落中或在这些段落中的插入点后的tab位置数。