I assume you are using WM_INPUT message with GetRawInputData to get raw
input data from the HID.
Then, when you are registering the device with RegisterRawInputDevices,
have you tried to specify RIDEV_NOLEGACY flag? Based on the MSDN, if this
flag is set, the device will not generate any legacy message for that
device. For example, the mouse will not generate WM_LBUTTONDOWN and related
legacy mouse messages.
Does this meet your need? Thanks.
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