MouGetNumButtons - Parameters

NumberOfButtons (PULONG) - output

Number of mouse buttons.

Address where the number of physical buttons is to be returned.

The return values for the number of buttons supported are:

Value

Definition
1
One mouse button.
2
Two mouse buttons.
3
Three mouse buttons.

DeviceHandle (HMOU) - input

Mouse device handle.

Reserved. Set to 0.

rc (APIRET) - returns

Return code.

MouGetNumButtons returns one of the following values:

• NO_ERROR 466
  ERROR_MOU_DETACHED
  501
  ERROR_MOUSE_NO_CONSOLE

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