EVT_BUTTON($self,$self->{button_start}, \&DeployTestThread ); 

##</code><code>##

# Prevents double detach attempts
my $DETACHING :shared;

#start your thread here before Wx
DeployTestThread(); 

package MyApp;

##</code><code>##

EVT_BUTTON($self,$self->{button_start}, sub{  $TERM = 0  } );