TVirtualDiskExtent - Revision history

Ultibo: Created page with "Return to Unit VirtualDisk TOC === Description === ---- ''To be documented'' === Class definitions === ----

2018-06-01T06:04:07Z

Created page with "Return to Unit VirtualDisk TOC === Description === ---- ''To be documented'' === Class definitions === ---- <div class="toccolours mw-collapsib..."

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Return to [[Unit_VirtualDisk|Unit VirtualDisk]]

TOC

=== Description ===
----

''To be documented''

=== Class definitions ===
----

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<code>TVirtualDiskExtent = class(TListObject)</code>
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{| class="wikitable" style="font-size: 14px; background: white;"
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|colspan="2"|Note: Represents an Extent (usually a file) forming part of a virtual disk
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|colspan="2"| 
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| <code>constructor Create(AImage:TVirtualDiskImage; ADelta,AParent:TVirtualDiskExtent);</code>
| style="width: 50%;"| 
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| <code>destructor Destroy; override;</code>
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|colspan="2"|<div style="font-family: monospace,courier;">'''private'''</div>
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| <code>FLock:TMutexHandle;</code>
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|colspan="2"|<div style="font-family: monospace,courier;">'''protected'''</div>
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| <code>FImage:TVirtualDiskImage;</code>
|  
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| <code>FDelta:TVirtualDiskExtent;</code>
|  
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| <code>FParent:TVirtualDiskExtent;</code>
|  
|-
|colspan="2"| 
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| <code>FFlags:LongWord;</code>
|  
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|colspan="2"| 
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| <code>FFilename:String;</code>
| Filename of the file backing this Extent
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| <code>FHandle:THandle;</code>
| DiskDriver Handle to the file of this Extent
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|colspan="2"| 
|-
| <code>FDataOffset:Int64;</code>
| Absolute byte offset of Data in file (Where Applicable)
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| <code>FBlockSize:LongWord;</code>
| Size of each data block in file
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|colspan="2"| 
|-
| <code>FStartSector:Int64;</code>
| First Sector contained by this Extent
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| <code>FSectorCount:Int64;</code>
| Number of Sectors contained by this Extent
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|colspan="2"| 
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| <code>FBlockShiftCount:LongWord;</code>
| Sector to Block Shift Count
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|colspan="2"| 
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| <code>function GetFilename:String;</code>
|  
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| <code>procedure SetFilename(const AFilename:String);</code>
|  
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|colspan="2"| 
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| <code>function GetBlockShiftCount:LongWord; virtual;</code>
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|colspan="2"|<div style="font-family: monospace,courier;">'''public'''</div>
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| <code>property Image:TVirtualDiskImage read FImage;</code>
|  
|-
| <code>property Delta:TVirtualDiskExtent read FDelta write FDelta;</code>
|  
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| <code>property Parent:TVirtualDiskExtent read FParent write FParent;</code>
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|colspan="2"| 
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| <code>property Flags:LongWord read FFlags write FFlags;</code>
|  
|-
|colspan="2"| 
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| <code>property Filename:String read GetFilename write SetFilename;</code>
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| <code>property Handle:THandle read FHandle write FHandle;</code>
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|colspan="2"| 
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| <code>property DataOffset:Int64 read FDataOffset write FDataOffset;</code>
|  
|-
| <code>property BlockSize:LongWord read FBlockSize write FBlockSize;</code>
|  
|-
|colspan="2"| 
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| <code>property StartSector:Int64 read FStartSector write FStartSector;</code>
|  
|-
| <code>property SectorCount:Int64 read FSectorCount write FSectorCount;</code>
|  
|-
|colspan="2"| 
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| <code>property BlockShiftCount:LongWord read FBlockShiftCount write FBlockShiftCount;</code>
|  
|-
|colspan="2"| 
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| <code>function AcquireLock:Boolean;</code>
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| <code>function ReleaseLock:Boolean;</code>
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|-
|colspan="2"| 
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| <code>function IsFixed:Boolean; virtual;</code>
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| <code>function IsDynamic:Boolean; virtual;</code>
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|-
|colspan="2"| 
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| <code>function IsBase:Boolean; virtual;</code>
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| <code>function IsDelta:Boolean; virtual;</code>
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|colspan="2"| 
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| <code>function IsDevice:Boolean; virtual;</code>
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|colspan="2"| 
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| <code>function HasDelta:Boolean; virtual;</code>
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|-
|}
</div></div>
<br />

=== Function declarations ===
----

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<pre style="border: 0; padding-bottom:0px;">constructor TVirtualDiskExtent.Create(AImage:TVirtualDiskImage; ADelta,AParent:TVirtualDiskExtent);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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! Note
| None documented
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<pre style="border: 0; padding-bottom:0px;">destructor TVirtualDiskExtent.Destroy;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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! Note
| None documented
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<pre style="border: 0; padding-bottom:0px;">function TVirtualDiskExtent.GetFilename:String;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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! Note
| None documented
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<pre style="border: 0; padding-bottom:0px;">procedure TVirtualDiskExtent.SetFilename(const AFilename:String);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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| None documented
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<pre style="border: 0; padding-bottom:0px;">function TVirtualDiskExtent.GetBlockShiftCount:LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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| None documented
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<pre style="border: 0; padding-bottom:0px;">function TVirtualDiskExtent.AcquireLock:Boolean;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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! Note
| None documented
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<pre style="border: 0; padding-bottom:0px;">function TVirtualDiskExtent.ReleaseLock:Boolean;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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| None documented
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<pre style="border: 0; padding-bottom:0px;">function TVirtualDiskExtent.IsFixed:Boolean;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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| None documented
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<pre style="border: 0; padding-bottom:0px;">function TVirtualDiskExtent.IsDynamic:Boolean;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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! Note
| None documented
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function TVirtualDiskExtent.IsBase:Boolean;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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<pre style="border: 0; padding-bottom:0px;">function TVirtualDiskExtent.IsDelta:Boolean;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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| None documented
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function TVirtualDiskExtent.IsDevice:Boolean;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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! Note
| None documented
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<pre style="border: 0; padding-bottom:0px;">function TVirtualDiskExtent.HasDelta:Boolean;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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! Note
| None documented
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