System.Win.ComObj.ClassIDToProgID

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Delphi

function ClassIDToProgID(const ClassID: TGUID): string;

C++

extern DELPHI_PACKAGE System::UnicodeString __fastcall ClassIDToProgID(const GUID &ClassID);

Properties

Type	Visibility	Source	Unit	Parent
function	public	System.Win.ComObj.pas System.Win.ComObj.hpp	System.Win.ComObj	System.Win.ComObj

Description

Returns the programmatic ID for a specified class given its class ID (CLSID).

ClassIDToProgID retrieves the programmatic ID for the CLSID specified by the ClassID parameter.

If ClassIDToProgID succeeds, it returns the requested ProgID. If ClassIDToProgID fails an EOleSysError exception is raised with an error code indicating the cause of the error. The possible error codes are as follows:

Error code	Meaning
REGDB_E_CLASSNOTREG	Class not registered in the registry.
REGDB_E_READREGDB	Error reading registry.

See Also

• EOleSysError

• OleError

• COM and OLE Support Routines