disabling buttons

[Ian Strascina <istrasci cs nmsu edu>]

Is there anyway to disable a GTK button once it has been pressed (and 
re-enabled upon other conditions) similar to 
javax.swing.AbstractButton.setEnabled(boolean)...???  I have a simulation 
running and one button that starts it all...  I would like to ensure the 
"start" button cannot be pressed while the simulation is running...  Is 
there any way to do this...???

	- Ian

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"C makes it easy to shoot yourself in the foot; C++ makes it
 harder, but when you do, it blows away your whole leg..."
	-- Bjarne Stroustrup
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