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Explanation: When the user clicks on the button, the on(press) event of the button checks if the click is eligible for a double-click. Initially, the variable 'flag' is set to false. So, when the user clicks on the button for the first time, the condition 'if (_root.flag==false)' is satisfied and the 'flag' variable is set to true. The 'startcounter' variable is also set to true triggering the Counter MovieClip that we will create in the next step. The Counter MovieClip continuously increments the 'count' variable until the count variable becomes greater than or equal to the delay variable. If it becomes greater than or equal to the delay variable, the variables 'flag' and 'startcounter' are set to false and the value of count is reset to 0. This is necessary, because after the first click, if the user does not click again within the delay period, it is guaranteed that the next click will not produce a double-click. Hence, all the variables - count, startcounter and clicked are reset to the values as before indicating a fresh start as soon as the value of 'count' surpasses or eauals the value of the variable 'delay'.
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Detecting Double-Click in Flash
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