Delphi Wmi 類別產生器是一個應用程序,它會建立完整記錄的 Object Pascal 類別來存取 WMI(Windows 管理規範)。
產生的程式碼相容於 Delphi 7、2005、BDS/Turbo 2006 和 RAD Studio 2007-2010、XE-XE7 和 Free Pascal Compiler 2.2.4 (win32)
建立與幫助洞察功能相容的完整記錄類,該功能自 Delphi 2005 起可用。
注意:方法、參數和屬性的描述語言取決於生成單元的視窗的語言。
該應用程式的生成率約為 99%。在這種情況下,但是某些 WMI 類別以不正確的格式公開元數據,或者元資料的結構與用於建立物件 pascal 程式碼的演算法不相容,在這種情況下,您必須手動修補程式碼。
在此頁面上您可以找到有問題的類別。另一種選擇是直接從儲存庫下載產生的修補類,
此工具會擷取並解析儲存在 WMI 類別中的元資料(屬性、方法、限定符、有效值和描述),以重新建立 Object Pascal 相容類別。
應用程式產生的每個Object pascal類別都源自基類TWmiClass,該類別封裝對wmi的訪問,將呼叫類別傳回的值(OleVariant)轉換為本機類型,並將值儲存在內部集合(緩衝區)中屬性和實例的位址。
TWmiClass 類別可以用兩種模式編譯。
使用Microsoft WMI 腳本 V1.2 函式庫
這個包裝器(WbemScripting_TLB)是由delphi編譯器產生的,該選項改進了對WMI的初始存取(該選項與FPC不相容)。如果您使用此模式,您必須在您的專案中包含 WbemScripting_TLB 單元。
使用後期綁定
當您需要產生小 exe 檔案時,此選項很有用。初始執行時效能有點慢。
若要在這兩種模式之間進行選擇,您必須在 uWmiDelphiClass 單元中註解或取消註解下列行
{ $DEFINE WbemScripting_TLB }
在應用程式的主視窗中,您必須選擇要產生的命名空間和類別(預設選擇 WMI 命名空間的所有類別)並按下「生成單元」按鈕,然後該工具將在以下位置建立一個資料夾具有名稱空間名稱並在此資料夾內的exe 將建立一個測試控制台專案、uWmiDelphiClass.pas 檔案和所選類別的副本。每個類別都儲存在一個單獨的單元中,其名稱由「u」字母加上 Wmi 類別的名稱組成,例如 Win32_BIOS 類別的單元名稱將為uWin32_BIOS.pas 。
在來源儲存庫中,您可以找到一組使用產生的類別的示範。
檢查這個非常簡單的控制台應用程序,它使用 Win32_BaseBoard WMI 類別。
program TestWin32_BaseBoard;
{ $APPTYPE CONSOLE }
uses
SysUtils,
uWin32_BaseBoard in ' ....root_CIMV2uWin32_BaseBoard.pas ' ,
uWmiDelphiClass in ' ....uWmiDelphiClass.pas ' ; // the base class
procedure TestBaseBoard ;
var
BaseBoard : TWin32_BaseBoard;
begin
BaseBoard:=TWin32_BaseBoard.Create;
try
Writeln( ' Base Board Info ' );
Writeln( ' --------------- ' );
Writeln( ' Manufacturer ' +BaseBoard.Manufacturer);
Writeln( ' Model ' +BaseBoard.Model);
Writeln( ' SKU ' +BaseBoard.SKU);
Writeln( ' SerialNumber ' +BaseBoard.SerialNumber);
Writeln( ' PartNumber ' +BaseBoard.PartNumber);
Writeln( ' Tag ' +BaseBoard.Tag);
Readln;
finally
BaseBoard.Free;
end ;
end ;
begin
try
TestBaseBoard;
except
on E:Exception do
begin
Writeln(E.Classname, ' : ' , E.Message);
Readln;
end ;
end ;
end .
該工具是使用Delphi XE 編譯的。
應用程式為 Win32_Share WMI 類別建立的原始程式碼範例。
// / <summary>
// / Unit generated using the Delphi Wmi class generator tool, Copyright Rodrigo Ruz V. 2010
// / Application version 0.1.0.113
// / WMI version 7600.16385
// / Creation Date 23-12-2010 22:39:55
// / Namespace rootCIMV2 Class Win32_Share
// / MSDN info about this class http://msdn2.microsoft.com/library/default.asp?url=/library/en-us/wmisdk/wmi/Win32_Share.asp
// / </summary>
{ $IFDEF FPC }
{ $MODE DELPHI } { $H+ }
{ $DEFINE OLD_DELPHI }
{ $ENDIF }
unit uWin32_Share;
interface
uses
Classes,
Activex,
Variants,
ComObj,
uWmiDelphiClass;
type
{ $IFDEF FPC }
Cardinal=Longint;
Int64=Integer;
Word=Longint;
{ $ENDIF }
{ $IFNDEF FPC }
{ $IF CompilerVersion <= 15 }
{ $DEFINE OLD_DELPHI }
{ $IFEND }
{ $ENDIF }
{ $IFDEF UNDEF }{ $REGION 'Documentation' }{ $ENDIF }
// / <summary>
// / The Win32_Share class represents a shared resource on a Win32 system. This may be a disk drive, printer, interprocess communication, or other shareable device.
// / Example: C:PUBLIC.
// / </summary>
{ $IFDEF UNDEF }{ $ENDREGION }{ $ENDIF }
TWin32_Share= class (TWmiClass)
private
FAccessMask : Cardinal;
FAllowMaximum : Boolean;
FCaption : String;
FDescription : String;
FInstallDate : TDateTime;
FMaximumAllowed : Cardinal;
FName : String;
FPath : String;
FStatus : String;
FType : Cardinal;
public
constructor Create(LoadWmiData : boolean=True); overload;
destructor Destroy;Override;
{ $IFDEF UNDEF }{ $REGION 'Documentation' }{ $ENDIF }
// / <summary>
// / This property has been deprecated in favour of the GetAccessMask method of this
// / class due to the expense of calling GetEffectiveRightsFromAcl. The value will
// / be set to NULL
// / </summary>
{ $IFDEF UNDEF }{ $ENDREGION }{ $ENDIF }
property AccessMask : Cardinal read FAccessMask;
{ $IFDEF UNDEF }{ $REGION 'Documentation' }{ $ENDIF }
// / <summary>
// / The AllowMaximum property indicates whether the number of concurrent users for this resource has been limited.
// / Values: TRUE or FALSE. A value of TRUE indicates the number of concurrent users of this resource has not been limited and the value in the MaximumAllowed property is ignored.
// / </summary>
{ $IFDEF UNDEF }{ $ENDREGION }{ $ENDIF }
property AllowMaximum : Boolean read FAllowMaximum;
{ $IFDEF UNDEF }{ $REGION 'Documentation' }{ $ENDIF }
// / <summary>
// / The Caption property is a short textual description (one-line string) of the
// / object.
// / </summary>
{ $IFDEF UNDEF }{ $ENDREGION }{ $ENDIF }
property Caption : String read FCaption;
{ $IFDEF UNDEF }{ $REGION 'Documentation' }{ $ENDIF }
// / <summary>
// / The Description property provides a textual description of the object.
// / </summary>
{ $IFDEF UNDEF }{ $ENDREGION }{ $ENDIF }
property Description : String read FDescription;
{ $IFDEF UNDEF }{ $REGION 'Documentation' }{ $ENDIF }
// / <summary>
// / The InstallDate property is datetime value indicating when the object was
// / installed. A lack of a value does not indicate that the object is not installed.
// / </summary>
{ $IFDEF UNDEF }{ $ENDREGION }{ $ENDIF }
property InstallDate : TDateTime read FInstallDate;
{ $IFDEF UNDEF }{ $REGION 'Documentation' }{ $ENDIF }
// / <summary>
// / The MaximumAllowed property indicates the limit on the maximum number of users allowed to use this resource concurrently. The value is only valid if the AllowMaximum member set to FALSE
// / Example: 10.
// / </summary>
{ $IFDEF UNDEF }{ $ENDREGION }{ $ENDIF }
property MaximumAllowed : Cardinal read FMaximumAllowed;
{ $IFDEF UNDEF }{ $REGION 'Documentation' }{ $ENDIF }
// / <summary>
// / The Name property indicates the alias given to a path set up as a share on a Win32 system.
// / Example: public.
// / </summary>
{ $IFDEF UNDEF }{ $ENDREGION }{ $ENDIF }
property Name : String read FName;
{ $IFDEF UNDEF }{ $REGION 'Documentation' }{ $ENDIF }
// / <summary>
// / The Path property indicates the local path of the Win32 share.
// / Example: C:Program Files
// / </summary>
{ $IFDEF UNDEF }{ $ENDREGION }{ $ENDIF }
property Path : String read FPath;
{ $IFDEF UNDEF }{ $REGION 'Documentation' }{ $ENDIF }
// / <summary>
// / The Status property is a string indicating the current status of the object.
// / Various operational and non-operational statuses can be defined. Operational
// / statuses are "OK", "Degraded" and "Pred Fail". "Pred Fail" indicates that an
// / element may be functioning properly but predicting a failure in the near
// / future. An example is a SMART-enabled hard drive. Non-operational statuses can
// / also be specified. These are "Error", "Starting", "Stopping" and "Service". The
// / latter, "Service", could apply during mirror-resilvering of a disk, reload of a
// / user permissions list, or other administrative work. Not all such work is on-
// / line, yet the managed element is neither "OK" nor in one of the other states.
// / </summary>
{ $IFDEF UNDEF }{ $ENDREGION }{ $ENDIF }
property Status : String read FStatus;
{ $IFDEF UNDEF }{ $REGION 'Documentation' }{ $ENDIF }
// / <summary>
// / The Type property specifies the type of resource being shared. Types include
// / disk drives, print queues, interprocess communications (IPC), and general
// / devices.
// / </summary>
{ $IFDEF UNDEF }{ $ENDREGION }{ $ENDIF }
property { $IFDEF OLD_DELPHI } _Type { $ELSE } & Type { $ENDIF } : Cardinal read FType;
function Create ( const Access : OleVariant; const Description : String; const MaximumAllowed : Cardinal; const Name : String; const Password : String; const Path : String; const { $IFDEF OLD_DELPHI } _Type { $ELSE } & Type { $ENDIF } : Cardinal): Integer;overload;
function SetShareInfo ( const Access : OleVariant; const Description : String; const MaximumAllowed : Cardinal): Integer;
function GetAccessMask : Integer;
function Delete : Integer;
procedure SetCollectionIndex (Index : Integer); override;
end ;
{ $IFDEF UNDEF }{ $REGION 'Documentation' }{ $ENDIF }
// / <summary>
// / Return the description for the value of the property TWin32_Share.Type
// / </summary>
{ $IFDEF UNDEF }{ $ENDREGION }{ $ENDIF }
function GetTypeAsString ( const APropValue:Cardinal) : string;
implementation
function GetTypeAsString ( const APropValue:Cardinal) : string;
begin
Result:= ' ' ;
case APropValue of
0 : Result:= ' Disk Drive ' ;
1 : Result:= ' Print Queue ' ;
2 : Result:= ' Device ' ;
3 : Result:= ' IPC ' ;
2147483648 : Result:= ' Disk Drive Admin ' ;
2147483649 : Result:= ' Print Queue Admin ' ;
2147483650 : Result:= ' Device Admin ' ;
2147483651 : Result:= ' IPC Admin ' ;
end ;
end ;
{ TWin32_Share }
constructor TWin32_Share.Create(LoadWmiData : boolean=True);
begin
inherited Create(LoadWmiData, ' rootCIMV2 ' , ' Win32_Share ' );
end ;
destructor TWin32_Share.Destroy;
begin
inherited ;
end ;
procedure TWin32_Share.SetCollectionIndex (Index : Integer);
begin
if (Index>= 0 ) and (Index<=FWmiCollection.Count- 1 ) and (FWmiCollectionIndex<>Index) then
begin
FWmiCollectionIndex:=Index;
FAccessMask := VarCardinalNull( inherited Value [ ' AccessMask ' ]);
FAllowMaximum := VarBoolNull( inherited Value [ ' AllowMaximum ' ]);
FCaption := VarStrNull( inherited Value [ ' Caption ' ]);
FDescription := VarStrNull( inherited Value [ ' Description ' ]);
FInstallDate := VarDateTimeNull( inherited Value [ ' InstallDate ' ]);
FMaximumAllowed := VarCardinalNull( inherited Value [ ' MaximumAllowed ' ]);
FName := VarStrNull( inherited Value [ ' Name ' ]);
FPath := VarStrNull( inherited Value [ ' Path ' ]);
FStatus := VarStrNull( inherited Value [ ' Status ' ]);
FType := VarCardinalNull( inherited Value [ ' Type ' ]);
end ;
end ;
// static, OutParams=1, InParams>0
function TWin32_Share.Create ( const Access : OleVariant; const Description : String; const MaximumAllowed : Cardinal; const Name : String; const Password : String; const Path : String; const { $IFDEF OLD_DELPHI } _Type { $ELSE } & Type { $ENDIF } : Cardinal): Integer;
var
objInParams : OleVariant;
objOutParams : OleVariant;
begin
objInParams := GetInstanceOf.Methods_.Item( ' Create ' ).InParameters.SpawnInstance_();
objInParams.Properties_.Item( ' Access ' ). Value := Access;
objInParams.Properties_.Item( ' Description ' ). Value := Description;
objInParams.Properties_.Item( ' MaximumAllowed ' ). Value := MaximumAllowed;
objInParams.Properties_.Item( ' Name ' ). Value := Name ;
objInParams.Properties_.Item( ' Password ' ). Value := Password;
objInParams.Properties_.Item( ' Path ' ). Value := Path;
objInParams.Properties_.Item( ' Type ' ). Value := { $IFDEF OLD_DELPHI } _Type { $ELSE } & Type { $ENDIF } ;
objOutParams := WMIService.ExecMethod(WmiClass, ' Create ' , objInParams, 0 , GetNullValue);
Result := VarIntegerNull(objOutParams.ReturnValue);
end ;
// not static, OutParams=1, InParams>0
function TWin32_Share.SetShareInfo ( const Access : OleVariant; const Description : String; const MaximumAllowed : Cardinal): Integer;
var
ReturnValue : OleVariant;
begin
ReturnValue := GetInstanceOf.SetShareInfo(Access,Description,MaximumAllowed);
Result := VarIntegerNull(ReturnValue);
end ;
// not static, OutParams=1, InParams=0
function TWin32_Share.GetAccessMask : integer;
var
ReturnValue : OleVariant;
begin
ReturnValue := GetInstanceOf.GetAccessMask;
Result := VarIntegerNull(ReturnValue);
end ;
// not static, OutParams=1, InParams=0
function TWin32_Share.Delete : integer;
var
ReturnValue : OleVariant;
begin
ReturnValue := GetInstanceOf.Delete;
Result := VarIntegerNull(ReturnValue);
end ;
end .
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