TVirtualDiskFileImage

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Return to Unit VirtualDisk


Description


To be documented

Class definitions



TVirtualDiskFileImage = 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 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 CreateImage(AMediaType:TMediaType; AFloppyType:TFloppyType; AAttributes:LongWord; ASectorSize:Word; const ASectorCount:Int64; ACylinders,AHeads,ASectors:LongWord; APartitionId:Byte):Integer; 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 ResizeImage(const ASectorCount:Int64):Boolean; override;  


Function declarations



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


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


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


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


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


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


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


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


function TVirtualDiskFileImage.CreateImage(AMediaType:TMediaType; AFloppyType:TFloppyType; AAttributes:LongWord; ASectorSize:Word; const ASectorCount:Int64; ACylinders,AHeads,ASectors:LongWord; APartitionId:Byte):Integer;
Description: To be documented
Note None documented


function TVirtualDiskFileImage.OpenImage(AMediaType:TMediaType; AFloppyType:TFloppyType; AAttributes:LongWord; ASectorSize:Word; const ASectorCount:Int64; ACylinders,AHeads,ASectors:LongWord; APartitionId:Byte):Integer;
Description: To be documented
Note None documented


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


function TVirtualDiskFileImage.ResizeImage(const ASectorCount:Int64):Boolean;
Description: To be documented
Note None documented


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