UCC_MEDIA_DEVICE_CHANGE_REASON Enumeration

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Enumerates the reasons for a device change.

Namespace: Microsoft.Office.Interop.UccApi
Assembly: Microsoft.Office.Interop.UccApi (in microsoft.office.interop.uccapi.dll)

Syntax

'Declaration
Public Enumeration UCC_MEDIA_DEVICE_CHANGE_REASON
public enum UCC_MEDIA_DEVICE_CHANGE_REASON
public enum class UCC_MEDIA_DEVICE_CHANGE_REASON
public enum UCC_MEDIA_DEVICE_CHANGE_REASON
public enum UCC_MEDIA_DEVICE_CHANGE_REASON

Members

Member name Description
UCCMDCR_DEVICE_FAILURE A flag to indicate that a device change is due to a failure to initiate a selected or preferred device. In this case, the changed device is a NULL device.
UCCMDCR_SYSTEM_INITIATED_CHANGE A flag to indicate that the device was unplugged or disabled from Device Manager on the local computer.
UCCMDCR_USER_INITIATED_CHANGE A flag to indicate that the user initiated the device change.

Remarks

An application can examine the reasons for a device change event by reading the Reason property of IUccMediaDeviceChangeEvent. This is returned as the event argument by the OnMediaDeviceChanged/OnDefaultMediaDeviceChanged/OnMediaDeviceAdded/ OnMediaDeviceRemoved/OnSelectedMediaDeviceChanged event.

Win32 COM/C++ Syntax

typedef enum UCC_MEDIA_DEVICE_CHANGE_REASON
{
   UCCMDCR_USER_INITIATED_CHANGE = 1,
   UCCMDCR_SYSTEM_INITIATED_CHANGE = 2,
   UCCMDCR_DEVICE_FAILURE = 3
};

Platforms

Development Platforms

Windows XP Professional with Service Pack 2 (SP2), Windows Server 2000 with Service Pack 4, Windows Server 2003, Windows Vista Ultimate Edition, Windows Vista Business Edition, Windows Vista Enterprise Edition

Target Platforms

See Also

Reference

Microsoft.Office.Interop.UccApi Namespace