---
UID: NF:dvbsiparser.IISDB_CDT.GetSizeOfDataModule
title: IISDB_CDT::GetSizeOfDataModule (dvbsiparser.h)
description: Gets the size of a data module from an Integrated Services Digital Broadcasting (ISDB) common data table (CDT).
old-location: mstv\iisdb_cdt_getsizeofdatamodule.htm
tech.root: mstv
ms.assetid: c05a8c14-f0da-49d7-be34-1cac435a98da
ms.date: 12/05/2018
ms.keywords: GetSizeOfDataModule, GetSizeOfDataModule method [Microsoft TV Technologies], GetSizeOfDataModule method [Microsoft TV Technologies],IISDB_CDT interface, IISDB_CDT interface [Microsoft TV Technologies],GetSizeOfDataModule method, IISDB_CDT.GetSizeOfDataModule, IISDB_CDT::GetSizeOfDataModule, dvbsiparser/IISDB_CDT::GetSizeOfDataModule, mstv.iisdb_cdt_getsizeofdatamodule
f1_keywords:
- dvbsiparser/IISDB_CDT.GetSizeOfDataModule
dev_langs:
- c++
req.header: dvbsiparser.h
req.include-header: 
req.target-type: Windows
req.target-min-winverclnt: Windows 7 [desktop apps only]
req.target-min-winversvr: None supported
req.kmdf-ver: 
req.umdf-ver: 
req.ddi-compliance: 
req.unicode-ansi: 
req.idl: Dvbsiparser.idl
req.max-support: 
req.namespace: 
req.assembly: 
req.type-library: 
req.lib: 
req.dll: 
req.irql: 
topic_type:
- APIRef
- kbSyntax
api_type:
- COM
api_location:
- dvbsiparser.h
api_name:
- IISDB_CDT.GetSizeOfDataModule
targetos: Windows
req.typenames: 
req.redist: 
ms.custom: 19H1
---

# IISDB_CDT::GetSizeOfDataModule


## -description


Gets the size of a data module 
  from an Integrated Services Digital Broadcasting (ISDB) common data table (CDT).


## -parameters




### -param pdwVal [out]

Receives the size of the data module.


## -returns



If this method succeeds, it returns <b xmlns:loc="http://microsoft.com/wdcml/l10n">S_OK</b>. Otherwise, it returns an <b xmlns:loc="http://microsoft.com/wdcml/l10n">HRESULT</b> error code.




## -see-also




<a href="https://docs.microsoft.com/previous-versions/windows/desktop/api/dvbsiparser/nn-dvbsiparser-iisdb_cdt">IISDB_CDT</a>
 

 

