TVirtualDiskDeviceImage

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Return to Unit VirtualDisk


Description


To be documented

Class definitions



TVirtualDiskDeviceImage = class(TVirtualDiskImage)

constructor Create(ADriver:TFileSysDriver; AController:TDiskController; const AName:String; AImageNo:Integer);  
destructor Destroy; override;  
private
FHandle:THandle;  
protected
function GetReady:Boolean; override;  
 
function GetCylinders:LongWord; override;  
function GetHeads:LongWord; override;  
function GetSectors:LongWord; override;  
 
function GetSectorSize:Word; override;  
function GetSectorCount:Int64; override;  
 
function GetPartitionId:Byte; override;  
public
function Read(ASector:LongWord; ACount:Word; var ABuffer):Boolean; override;  
function Write(ASector:LongWord; ACount:Word; const ABuffer):Boolean; override;  
 
function ConvertImage(AImageType:TImageType):Boolean; override;  
function ShrinkImage(const ASize:Int64):Boolean; override;  
function ExpandImage(const ASize:Int64):Boolean; override;  
 
function OpenImage(AMediaType:TMediaType; AFloppyType:TFloppyType; AAttributes:LongWord; ASectorSize:Word; const ASectorCount:Int64; ACylinders,AHeads,ASectors:LongWord; APartitionId:Byte):Integer; override;  
function CloseImage:Boolean; override;  


Function declarations



constructor TVirtualDiskDeviceImage.Create(ADriver:TFileSysDriver; AController:TDiskController; const AName:String; AImageNo:Integer);
Description: To be documented
Note None documented


destructor TVirtualDiskDeviceImage.Destroy;
Description: To be documented
Note None documented


function TVirtualDiskDeviceImage.GetReady:Boolean;
Description: To be documented
Note None documented


function TVirtualDiskDeviceImage.GetCylinders:LongWord;
Description: To be documented
Note None documented


function TVirtualDiskDeviceImage.GetHeads:LongWord;
Description: To be documented
Note None documented


function TVirtualDiskDeviceImage.GetSectors:LongWord;
Description: To be documented
Note None documented


function TVirtualDiskDeviceImage.GetSectorSize:Word;
Description: To be documented
Note None documented


function TVirtualDiskDeviceImage.GetSectorCount:Int64;
Description: To be documented
Note None documented


function TVirtualDiskDeviceImage.GetPartitionId:Byte;
Description: To be documented
Note None documented


function TVirtualDiskDeviceImage.Read(ASector:LongWord; ACount:Word; var ABuffer):Boolean;
Description: To be documented
Note Caller must hold the image lock


function TVirtualDiskDeviceImage.Write(ASector:LongWord; ACount:Word; const ABuffer):Boolean;
Description: To be documented
Note Caller must hold the image lock


function TVirtualDiskDeviceImage.ConvertImage(AImageType:TImageType):Boolean;
Description: To be documented
Note None documented


function TVirtualDiskDeviceImage.ShrinkImage(const ASize:Int64):Boolean;
Description: To be documented
Note None documented


function TVirtualDiskDeviceImage.ExpandImage(const ASize:Int64):Boolean;
Description: To be documented
Note None documented


function TVirtualDiskDeviceImage.OpenImage(AMediaType:TMediaType; AFloppyType:TFloppyType; AAttributes:LongWord; ASectorSize:Word; const ASectorCount:Int64; ACylinders,AHeads,ASectors:LongWord; APartitionId:Byte):Integer;
Description: To be documented
Note Open only on Device Image, Cannot Create.


function TVirtualDiskDeviceImage.CloseImage:Boolean;
Description: To be documented
Note None documented


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