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C# Geometry.ToChsAddress方法代码示例

本文整理汇总了C#中Geometry.ToChsAddress方法的典型用法代码示例。如果您正苦于以下问题:C# Geometry.ToChsAddress方法的具体用法?C# Geometry.ToChsAddress怎么用?C# Geometry.ToChsAddress使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Geometry的用法示例。


在下文中一共展示了Geometry.ToChsAddress方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: UpdateBiosGeometry

        /// <summary>
        /// Updates the CHS fields in partition records to reflect a new BIOS geometry.
        /// </summary>
        /// <param name="geometry">The disk's new BIOS geometry</param>
        /// <remarks>The partitions are not relocated to a cylinder boundary, just the CHS fields are updated on the
        /// assumption the LBA fields are definitive.</remarks>
        public void UpdateBiosGeometry(Geometry geometry)
        {
            _diskData.Position = 0;
            byte[] bootSector = Utilities.ReadFully(_diskData, Utilities.SectorSize);

            BiosPartitionRecord[] records = ReadPrimaryRecords(bootSector);
            for (int i = 0; i < records.Length; ++i)
            {
                BiosPartitionRecord record = records[i];
                if (record.IsValid)
                {
                    ChsAddress newStartAddress = geometry.ToChsAddress(record.LBAStartAbsolute);
                    if (newStartAddress.Cylinder > 1023)
                    {
                        newStartAddress = new ChsAddress(1023, geometry.HeadsPerCylinder - 1, geometry.SectorsPerTrack);
                    }

                    ChsAddress newEndAddress = geometry.ToChsAddress(record.LBAStartAbsolute + record.LBALength - 1);
                    if (newEndAddress.Cylinder > 1023)
                    {
                        newEndAddress = new ChsAddress(1023, geometry.HeadsPerCylinder - 1, geometry.SectorsPerTrack);
                    }

                    record.StartCylinder = (ushort)newStartAddress.Cylinder;
                    record.StartHead = (byte)newStartAddress.Head;
                    record.StartSector = (byte)newStartAddress.Sector;
                    record.EndCylinder = (ushort)newEndAddress.Cylinder;
                    record.EndHead = (byte)newEndAddress.Head;
                    record.EndSector = (byte)newEndAddress.Sector;

                    WriteRecord(i, record);
                }
            }

            _diskGeometry = geometry;
        }
开发者ID:marinehero,项目名称:ThinkAway.net,代码行数:42,代码来源:BiosPartitionTable.cs


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