hwISession RegisterSpaceballCallback

Allows registration of Tcl callbacks for Spaceball button events.

Syntax

hwISession_handle RegisterSpaceballCallbackbuttonId, procName

Application

HyperWorks Tcl Query

Inputs

buttonID

The button ID to register a callback against. Valid values are identified by calling the GetSpaceballButtonMin and GetSpaceballButtonMax commands.

procName

The name of the procedure to call when the Spaceball event occurs. The procedure takes a state parameter, which is the state of the button at the time that it is pressed.

True: Indicates the button is pressed.
False: Indicates the button is released.; If the procedure is not in the Tcl global namespace, the namespace must be specified.

Error

Success (0) or an error code.