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NF:mfobjects.IMFAttributes.CopyAllItems |
IMFAttributes::CopyAllItems (mfobjects.h) |
Copies all of the attributes from this object into another attribute store. |
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mf\imfattributes_copyallitems.htm |
mf |
111b55bc-fb8e-45b5-a709-703acd23c4be |
12/05/2018 |
111b55bc-fb8e-45b5-a709-703acd23c4be, CopyAllItems, CopyAllItems method [Media Foundation], CopyAllItems method [Media Foundation],IMFAttributes interface, IMFAttributes interface [Media Foundation],CopyAllItems method, IMFAttributes.CopyAllItems, IMFAttributes::CopyAllItems, mf.imfattributes_copyallitems, mfobjects/IMFAttributes::CopyAllItems |
mfobjects.h |
Mfidl.h |
Windows |
Windows Vista [desktop apps \| UWP apps] |
Windows Server 2008 [desktop apps \| UWP apps] |
Mfuuid.lib |
Windows |
19H1 |
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Copies all of the attributes from this object into another attribute store.
A pointer to the IMFAttributes interface of the attribute store that receives the copy.
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
This method deletes all of the attributes originally stored in pDest.
Note
When you call CopyAllItems on an IMFSample, which inherits this method, the sample time, duration, and flags are not copied to the destination sample. You must copy these values to the new sample manually.
- Windows XP with Service Pack 2 (SP2) and later.
- Windows XP Media Center Edition 2005 with KB900325 (Windows XP Media Center Edition 2005) and KB925766 (October 2006 Update Rollup for Windows XP Media Center Edition) installed.
To copy a single attribute rather than all of the attributes, you can use the following code:
HRESULT CopyAttribute(IMFAttributes *pFrom, IMFAttributes *pTo, REFGUID guidKey)
{
PROPVARIANT val;
HRESULT hr = pFrom->GetItem(guidKey, &val);
if (SUCCEEDED(hr))
{
hr = pTo->SetItem(guidKey, val);
PropVariantClear(&val);
}
else if (hr == MF_E_ATTRIBUTENOTFOUND)
{
hr = S_OK;
}
return hr;
}