| 摘要 |
A method and mechanism for enforcing a one-submission-only policy for a graphical button has been disclosed. The method provides a button object defined to be enabled for only one submission action upon the button object. When a first submission action upon the button object is detected, the action associated with the button object is executed. When another submission action upon the button object is detected, the other submission action is discarded without executing the associated action. Subsequent submission actions are similarly ignored until the button object is re-instantiated to restore its functionality. In this manner, the one-submission-only behavior is embedded into the button object itself, without reliance on external mechanisms. The enforcement of the one-submission-only policy is thus provided in a consistent and reliable manner.
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