nn-wiavideo-iwiavideo.md

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NN:wiavideo.IWiaVideo	IWiaVideo (wiavideo.h)	The IWiaVideo interface provides methods that allow an application that uses Windows Image Acquisition (WIA) services to acquire still images from a streaming video device.Note  WIA does not support video devices in Windows Server 2003, Windows Vista, and later. For those versions of the Windows, use DirectShow to acquire images from video.	IWiaVideo IWiaVideo interface [WIA] IWiaVideo interface [WIA] described _wia_IWiaVideo wia._wia_IWiaVideo wiavideo/IWiaVideo	wia\_wia_IWiaVideo.htm	wia	VS|wia|~\wia\refwia\ifaces\iwiavideo\iwiavideo.htm	12/05/2018	IWiaVideo, IWiaVideo interface [WIA], IWiaVideo interface [WIA],described, _wia_IWiaVideo, wia._wia_IWiaVideo, wiavideo/IWiaVideo	wiavideo.h		Windows	Windows XP [desktop apps only]	Windows Server 2003 [desktop apps only]											Wiavideo.dll		Windows			19H1	IWiaVideo wiavideo/IWiaVideo	c++	APIRef kbSyntax	COM	Wiavideo.dll	IWiaVideo

IWiaVideo interface

-description

The IWiaVideo interface provides methods that allow an application that uses Windows Image Acquisition (WIA) services to acquire still images from a streaming video device.

Note  WIA does not support video devices in Windows Server 2003, Windows Vista, and later. For those versions of the Windows, use DirectShow to acquire images from video.

 

-inheritance

The IWiaVideo interface inherits from the IUnknown interface. IWiaVideo also has these types of members:

-remarks

The IWiaVideo interface, like all Component Object Model (COM) interfaces, inherits the IUnknown interface methods.

IUnknown Methods	Description
IUnknown::QueryInterface	Returns pointers to supported interfaces.
IUnknown::AddRef	Increments reference count.
IUnknown::Release	Decrements reference count.