The IDirectInputDevice::SetDataFormat method sets the data format for the DirectInput device.
HRESULT SetDataFormat(
LPCDIDATAFORMAT lpdf
);
If the method succeeds, the return value is DI_OK.
If the method fails, the return value may be one of the following error values:
DIERR_ACQUIRED |
DIERR_INVALIDPARAM |
DIERR_NOTINITIALIZED |
The data format must be set before the device can be acquired by using the IDirectInputDevice::Acquire method. It is necessary to set the data format only once. The data format cannot be changed while the device is acquired.
Windows NT: Use version 5.0 or later.
Windows: Use Windows 95 or later. Available as a redistributable for Windows 95.
Windows CE: Unsupported.
Header: Declared in dinput.h.
Import Library: Use dinput.lib.
IDirectInputDevice::GetDeviceState