Retrieves the index of the currently selected device.
|C||HRESULT IltmmDevices_get_Selection(pDevices, pVal)|
Pointer to an IltmmDevices interface.
Pointer to a variable that receives the zero based index of the currently selected device. A value of 1 indicates that no device is currently selected.
|S_OK||The function was successful.|
|<> S_OK||An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.|
This function will return the index of the device that is currently being used by the collections parent object.
|C||Selecting ltmmCapture Object Devices|
|C++||Selecting ltmmCapture Object Devices|
Medical Web Viewer .NET
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C API/C++ Class Libraries