/// <summary>

/// 检查是否为标准图幅编号

/// </summary>

/// <param name="MapNumber">图幅编号</param>

/// <returns>检查结果True/false</returns>

private bool CheckMapNumber(string MapNumber)

{

    int ColumnNumber100;

    if (MapNumber.Length == 3)//1:100万图幅规则

    {

        Regex RegMapNumber = new Regex(@"^[A-S]\d\d$");

        if (RegMapNumber.IsMatch(MapNumber.ToUpper()))

        {

            ColumnNumber100 = Convert.ToInt32(MapNumber.Substring(1, 2));

            if (ColumnNumber100 <= 60)

            { return true; }

        }

    }

    if (MapNumber.Length == 10)//其他图幅规则

    {

        string ScaleMark = "";

        int ColumnNumber;

        int RowNumber;

        int RowMax = 0;

        int ColumnMax = 0;

        Regex RegMapNumber = new Regex(@"^[A-S]\d\d[B-H]\d\d\d\d\d\d$");

        if (RegMapNumber.IsMatch(MapNumber.ToUpper()))

        {

            ScaleMark = MapNumber.Substring(3, 1);

            switch(ScaleMark)

            {

                case "B":

                    RowMax = 2;

                    ColumnMax = 2;

                    break;

                case "C":

                    RowMax = 4;

                    ColumnMax = 4;

                    break;

                case "D":

                    RowMax = 12;

                    ColumnMax = 12;

                    break;

                case "E":

                    RowMax = 24;

                    ColumnMax = 24;

                    break;

                case "F":

                    RowMax = 48;

                    ColumnMax = 48;

                    break;

                case "G":

                    RowMax = 96;

                    ColumnMax = 96;

                    break;

                case "H":

                    RowMax = 192;

                    ColumnMax = 192;

                    break;

                default:

                    RowMax = 0;

                    ColumnMax = 0;

                    break;

            }

            ColumnNumber100 = Convert.ToInt32(MapNumber.Substring(1, 2));

            RowNumber = Convert.ToInt32(MapNumber.Substring(4, 3));

            ColumnNumber = Convert.ToInt32(MapNumber.Substring(7, 3));

            if (ColumnNumber100 <= 60 && RowNumber <= RowMax && ColumnNumber <= ColumnMax)

            { return true; }

        }

    }

    return false;

}