Windows apps
Collapse the table of content
Expand the table of content
Information
The topic you requested is included in another documentation set. For convenience, it's displayed below. Choose Switch to see the topic in its original location.

IMap::GetView method

Returns an immutable view of the IMap.

Syntax


HRESULT GetView(
  [out] IMapView **view
);

Parameters

view [out]

Type: IMapView**

The view of the map.

Return value

Type: HRESULT

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Examples

The following code example demonstrates how to use the GetView method.


comptr<IMap<HSTRING,IValue>> pMap;
HSTRING hKey;
//...

comptr<IMapView<HSTRING,IValue>> pMapView;
HRESULT hr = pMap->GetView(&pMapView);
if (SUCCEEDED(hr))
{
    bool bHasKey
    hr = pMapView->HasKey(hKey, &bHasKey);
    if (SUCCEEDED(hr) && bHasKey)
    {
        comptr<IValue> pValue;
        hr = pMapView->Lookup(hKey, &pValue);
        if (SUCCEEDED(hr))
        {
            //...
        }
    }
}


Requirements

Minimum supported client

Windows 8

Minimum supported server

Windows Server 2012

Header

Windows.Foundation.Collections.h

See also

IMap
IMapView

 

 

Show:
© 2017 Microsoft