Class TDLEManager
Unit
DynamicLibraryElement
Declaration
type TDLEManager = class
Description
The DLE Manager is designed to manage the addition of new elements, loaded dynamically
from files. Of course, in order to be used, the file is a Delphi Execution package,
which declares descendents of TDynamicLibraryElement class. Fields
Name | Description |
FDLEList |
|
FIsFinalizingPackageRequired |
|
FPackageList |
|
FPackageNamesList |
|
FRegistryKey |
|
Methods
Overview
Description
constructor Create; virtual; |
destructor Destroy; override; |
function AddPackage( aHandle : HModule; aPath : String) : integer; virtual; |
procedure FreePackageList; |
function GetCount: integer; |
function GetPackageNames(index: integer): String; |
function isPackageLoaded( aPackagePath : String) : boolean; virtual; |
Procedure LoadElements( PackageName : String); |
This procedure loads the elements, after the loading of the package by calling
the different InitialiseUnitElements of the units of the package. This procedure
must be called by the main program, and not by the package.
Function LoadPackage( PackageName : String; UnitNames : TStrings) : HMODULE; |
Procedure to load a package knowing its name and path. The UnitNames string
list must be initialized. It is emptied and the list of units of the package
is returned.
procedure LoadRegisteredPackages; |
This procedure loads all DLE packages registered in the Windows registry.
procedure RegisterDLEIntoRegistry( aDLEClassName : String; aPackageFileName : String); |
This procedure allows the DLE to be registered into the Windows Registry.
The package file name should have the full path name, in order to load it
from the disk.
procedure SetIsFinalizingPackageRequired(const Value: Boolean); |
procedure SetRegistryKey(const Value: String); |
Procedure UnloadPackage( PackagePath : String); |
This procedure must be called to unload the package from the application.
When this occurs, all objects of the classes declared in the package must be
freed. This is the responsibility of the classes declared in the package. The
full path must be provided.
procedure UnLoadRegisteredPackages; |
This procedure unloads all DLE packages registered in the Windows registry.
procedure UnregisterDLE( aDLEClassName : String); |
Properties
Overview
Description
This variable can be set to true, only if you are sure your package does not
cause an AV in its finalization. Set it BEFORE calling UnloadPackage.
List of packages names linked to elements : the index is the same as for the
elements.
This property can be set to indicate the standard DLE storage or any specific
one. Set it up before calling any registry-dedicated procedure
Generated by pasdoc 0.6.20 on Sun 5 Nov 2000 19:56:15