TVirtualDiskExtent
From Ultibo.org
Return to Unit VirtualDisk
Description
To be documented
Class definitions
TVirtualDiskExtent = class(TListObject)
| Note: Represents an Extent (usually a file) forming part of a virtual disk | |
constructor Create(AImage:TVirtualDiskImage; ADelta,AParent:TVirtualDiskExtent);
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destructor Destroy; override;
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private
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FLock:TMutexHandle;
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protected
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FImage:TVirtualDiskImage;
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FDelta:TVirtualDiskExtent;
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FParent:TVirtualDiskExtent;
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FFlags:LongWord;
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FFilename:String;
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Filename of the file backing this Extent |
FHandle:THandle;
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DiskDriver Handle to the file of this Extent |
FDataOffset:Int64;
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Absolute byte offset of Data in file (Where Applicable) |
FBlockSize:LongWord;
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Size of each data block in file |
FStartSector:Int64;
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First Sector contained by this Extent |
FSectorCount:Int64;
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Number of Sectors contained by this Extent |
FBlockShiftCount:LongWord;
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Sector to Block Shift Count |
function GetFilename:String;
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procedure SetFilename(const AFilename:String);
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function GetBlockShiftCount:LongWord; virtual;
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public
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property Image:TVirtualDiskImage read FImage;
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property Delta:TVirtualDiskExtent read FDelta write FDelta;
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property Parent:TVirtualDiskExtent read FParent write FParent;
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property Flags:LongWord read FFlags write FFlags;
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property Filename:String read GetFilename write SetFilename;
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property Handle:THandle read FHandle write FHandle;
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property DataOffset:Int64 read FDataOffset write FDataOffset;
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property BlockSize:LongWord read FBlockSize write FBlockSize;
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property StartSector:Int64 read FStartSector write FStartSector;
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property SectorCount:Int64 read FSectorCount write FSectorCount;
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property BlockShiftCount:LongWord read FBlockShiftCount write FBlockShiftCount;
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function AcquireLock:Boolean;
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function ReleaseLock:Boolean;
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function IsFixed:Boolean; virtual;
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function IsDynamic:Boolean; virtual;
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function IsBase:Boolean; virtual;
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function IsDelta:Boolean; virtual;
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function IsDevice:Boolean; virtual;
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function HasDelta:Boolean; virtual;
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Function declarations
constructor TVirtualDiskExtent.Create(AImage:TVirtualDiskImage; ADelta,AParent:TVirtualDiskExtent);
Description: To be documented
| Note | None documented |
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destructor TVirtualDiskExtent.Destroy;
Description: To be documented
| Note | None documented |
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function TVirtualDiskExtent.GetFilename:String;
Description: To be documented
| Note | None documented |
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procedure TVirtualDiskExtent.SetFilename(const AFilename:String);
Description: To be documented
| Note | None documented |
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function TVirtualDiskExtent.GetBlockShiftCount:LongWord;
Description: To be documented
| Note | None documented |
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function TVirtualDiskExtent.AcquireLock:Boolean;
Description: To be documented
| Note | None documented |
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function TVirtualDiskExtent.ReleaseLock:Boolean;
Description: To be documented
| Note | None documented |
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function TVirtualDiskExtent.IsFixed:Boolean;
Description: To be documented
| Note | None documented |
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function TVirtualDiskExtent.IsDynamic:Boolean;
Description: To be documented
| Note | None documented |
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function TVirtualDiskExtent.IsBase:Boolean;
Description: To be documented
| Note | None documented |
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function TVirtualDiskExtent.IsDelta:Boolean;
Description: To be documented
| Note | None documented |
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function TVirtualDiskExtent.IsDevice:Boolean;
Description: To be documented
| Note | None documented |
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function TVirtualDiskExtent.HasDelta:Boolean;
Description: To be documented
| Note | None documented |
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