IWDFUsbInterface::SelectSetting method
The SelectSetting method selects the specified alternate setting on a USB interface.
Syntax
HRESULT SelectSetting(
[in] UCHAR SettingNumber
);
Parameters
- SettingNumber [in]
-
The setting to select on the USB interface.
Return value
SelectSetting returns one of the following values:
Return code | Description |
---|---|
|
SelectSetting successfully selected the setting that the SettingNumber parameter specified. |
|
SelectSetting encountered an allocation failure. |
|
This value corresponds to the error code that the WinUsb API returned. |
Remarks
The framework automatically selects configuration zero, its interface zero, and the alternate setting zero. To change the alternate setting, the driver can call SelectSetting.
For more info USB Configuration Descriptors
Examples
hr = pIWDFUsbInterface->SelectSetting(SettingNumber);
Requirements
End of support | Unavailable in UMDF 2.0 and later. |
---|---|
Minimum UMDF version | 1.5 |
Header |
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DLL |
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See also
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