Check if a speciffic slot was bound to the signal.

• Aliases:

SqSignalBase.Exists

• Signature:

(callback);
(environment, callback);

• Parameters:
  • environment object (optional) The object that represents the environment in the slot.
  • callback function The function that represents the callback in the slot.
• Return:
  • integer The number of times there was a match for the specified slot.
• Throws:
  • This function may throw errors if any of the given parameters are not valid.

If the environment parameter is not specified. The current root table will be used instead.

No example available.

• function SqSignalBase.ExistsThis
• function SqSignalBase.ExistsFunc

No references available.