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.NET Framework 4.6 and 4.5
Setting IsEnabled to false when the timer is started stops the timer.
Setting IsEnabled to true when the timer is stopped starts the timer.
Calling Stop sets IsEnabled to false.
Supported in: 4.6, 4.5, 4, 3.5, 3.0
.NET Framework Client Profile
Supported in: 4, 3.5 SP1