Mouse up and return checked status of previous Button Click

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Hi everyone, I want to make a paint program like MS Paint but I have a problem .I want to have a function handle a Mouse up event that return checked status of previous Button Click.
For example, Fill-Color Button is checked, then I click Pick-color Button, pick-color button is checked now. After picking (mouse up) pick-color button is unchecked and Fill-color Button is checked again ??
Thank you!

Posted 21-Dec-11 0:12am

bobbymistery

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OriginalGriff · Answer 1 · 2011-12-21T00:33:00

It's difficult to give advice to a question as vague as that, but I would do it by having a state variable, and stacking the current state. When you switch mode, stack the existing state and enter a new one. When you exit from the state, check the stack - if it is not empty, then pull off the top item, and set that as your current state.

The .NET framework does include a Stack class, but it is non-generic and you might want to encapsulate it in a generic or specific class first.

Sorry not to give a precise answer, but we can't see your code - we have to give general advice!

[edit]Oops! There is also a Generic version of the Stack class in System.Collections.Generic - OriginalGriff[/edit]