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The code generated is compatible Delphi 7, 2005, BDS/Turbo 2006 and RAD Studio 2007-2010, XE-XE7 and the Free Pascal Compiler 2.2.4 (win32)
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Create full documented classes compatible with the help insight feature, available since Delphi 2005.
Note : the language of the description of the methods, parameters and properties depends on of the language of the windows where you generate the units.
- Create helper functions to retrieve the description of the returned values for the properties and functions.
The application generate ready to use code in a 99% approx. of the cases, however some WMI classes exposes meta-data in a incorrect format or the structure of the meta-data is not compatible with the algorithm used to create the object pascal code, in such cases you must patch the code manually.
On this page you can find the classes with problems. another option is download the generated patched classes directly from the repository,
The tool extract and parse the meta-data (properties, methods, qualifiers, valid values and descriptions) stored in the WMI class, to recreate a Object Pascal compatible class.
Each Object pascal class generated by the application descend from the base class TWmiClass, this class encapsulate the access to the wmi, convert the values (OleVariant) returned by the calling class to native types, and store in a internal collection (buffer) the values of the properties and the address of the instances.
the TWmiClass class can be compiled in two modes.
Using the Microsoft WMI Scripting V1.2 Library
This wrapper (WbemScripting_TLB) is generated by the delphi compiler, this option improve the initial access to the WMI (this option is not compatible with FPC). if you use this mode you must include ion your projects the WbemScripting_TLB unit.
Using late-binding
This option is useful when you need generate small exe files. the performance is a little bit more slow in the initial execution.
To choose between these 2 modes you must comment or uncomment in the uWmiDelphiClass unit the following line
{$DEFINE WbemScripting_TLB}In the main window of the application you must select the namespace and class to generate (by default all the classes of the WMI namespace are selected) and press the "Generate units" button, then the tool will be create a folder in the location of the exe with the name of the namespace and inside of this folder will be created a test console project, a copy of the uWmiDelphiClass.pas file and the selected classes. Each class is stored in a separate unit with the name formed by "u" letter plus the name of the Wmi class, example the unit name for the Win32_BIOS class will be uWin32_BIOS.pas.
In the source repository you can find a set of demos of the usage of the generated classes.
check this very simple console application, which uses the Win32_BaseBoard WMI class.
program TestWin32_BaseBoard;
{$APPTYPE CONSOLE}
uses
SysUtils,
uWin32_BaseBoard in '..\..\root_CIMV2\uWin32_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.This tool was compiled using Delphi XE.
Source code sample created by the application for the Win32_Share WMI class.
/// <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 root\CIMV2 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,'root\CIMV2','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.Looking for the installer? Check the Release Area
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