IWMSNamedValues::get_Count
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IWMSNamedValues::get_Count
The get_Count method retrieves the number of name-value pairs contained in the IWMSNamedValues collection.
Syntax
HRESULT get_Count( long* pVal );
Parameters
pVal
[out] Pointer to a long containing the number of name-value pairs.
Return Values
If the method succeeds, it returns S_OK. If it fails, it returns an HRESULT error code.
| Return code | Number | Description |
| E_POINTER | 0x80004003 | pVal is a NULL pointer argument. |
Example Code
#include <windows.h>
#include <atlbase.h> // Includes CComBSTR and CComVariant.
#include "wmsserver.h"
// Declare variables and interfaces.
IWMSServer *pServer;
IWMSNamedValues *pNamedValues;
IWMSNamedValue *pNamedValue;
HRESULT hr;
CComVariant varIndex;
CComVariant varValue;
CComBSTR bstrName;
long lCount;
// Initialize the COM library and retrieve a pointer
// to an IWMSServer interface.
hr = CoInitialize(NULL);
hr = CoCreateInstance(CLSID_WMSServer,
NULL,
CLSCTX_ALL,
IID_IWMSServer,
(void **)&pServer);
if (FAILED(hr)) goto EXIT;
// Retrieve a pointer to an IWMSNamedValues interface
// containing descriptive information about the server.
hr = pServer->get_Properties(&pNamedValues);
if (FAILED(hr)) goto EXIT;
// Retrieve the total count of name-value pairs.
hr = pNamedValues->get_Count(&lCount);
if (FAILED(hr)) goto EXIT;
EXIT:
// TODO: Release temporary COM objects and uninitialize COM.
Requirements
Header: wmsserver.h.
Library: WMSServerTypeLib.dll.
Platform: Windows ServerĀ 2003 family, Windows ServerĀ 2008 family.
See Also
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