func init
	// adds using namespace
	sys.add_use('System.Threading')

	// initialize managers
	this.delegate = sys.if_null(sys.get_undef_manager('CallBack'))
	if(isdef("CallBack"))
		error(this.name + ' - property CallBack does not defined.')
	end

	// initialize instance
	params = this.props('Constructor').value
	if(params == 'Constructor')
		params = '' + this.delegate
	elseif(params == 'Constructor2')
		params = '' + this.delegate + ', ' + d("state") + ', ' + d("dueTime") + ', ' + d("period")
	elseif(params == 'Constructor3')
		params = '' + this.delegate + ', ' + d("state") + ', ' + d("dueTime") + ', ' + d("period")
	elseif(params == 'Constructor4')
		params = '' + this.delegate + ', ' + d("state") + ', ' + d("dueTime") + ', ' + d("period")
	elseif(params == 'Constructor5')
		params = '' + this.delegate + ', ' + d("state") + ', ' + d("dueTime") + ', ' + d("period")
	end
	sys.add_object(this.codename, 'System.Threading.Timer', params)

	// initialize temp variable
	if(sys.is_linked(2) and not user_level)
		sys.add_var('temp', 'dynamic')
	end

	// makes implementation of methods as properties
	sys._mtd_as_prop_init('Timer')

	// makes implementation of simple methods
	sys._method_init('Dispose')
end

func doStart(dueTime, period)
	blk.println(this.codename, '.Change(', d("dueTime"), ', ', d("period"), ');')
end

func doStop()
	blk.println(this.codename, '.Change(Timeout.Infinite, Timeout.Infinite);')
end

func doConstructor(callback)
	blk.println(this.codename, ' = new Timer(', d("callback"), ');')
end

func doConstructor2(callback, state, dueTime, period)
	blk.println(this.codename, ' = new Timer(', d("callback"), ', ', d("state"), ', ', d("dueTime"), ', ', d("period"), ');')
end

func doConstructor3(callback, state, dueTime, period)
	blk.println(this.codename, ' = new Timer(', d("callback"), ', ', d("state"), ', ', d("dueTime"), ', ', d("period"), ');')
end

func doConstructor4(callback, state, dueTime, period)
	blk.println(this.codename, ' = new Timer(', d("callback"), ', ', d("state"), ', ', d("dueTime"), ', ', d("period"), ');')
end

func doConstructor5(callback, state, dueTime, period)
	blk.println(this.codename, ' = new Timer(', d("callback"), ', ', d("state"), ', ', d("dueTime"), ', ', d("period"), ');')
end

func doChange(dueTime, period)
	if(linked("onChange"))
		if(user_level)
			event("onChange", this.codename + '.Change(' + d("dueTime") + ', ' + d("period") + ')')
		else
			blk.println(this.temp, ' = ', this.codename, '.Change(', d("dueTime"), ', ', d("period"), ');')
			event("onChange", this.temp)
		end
	else
		blk.println(this.codename, '.Change(', d("dueTime"), ', ', d("period"), ');')
	end
end

func doChange2(dueTime, period)
	if(linked("onChange"))
		if(user_level)
			event("onChange", this.codename + '.Change(' + d("dueTime") + ', ' + d("period") + ')')
		else
			blk.println(this.temp, ' = ', this.codename, '.Change(', d("dueTime"), ', ', d("period"), ');')
			event("onChange", this.temp)
		end
	else
		blk.println(this.codename, '.Change(', d("dueTime"), ', ', d("period"), ');')
	end
end

func doChange3(dueTime, period)
	if(linked("onChange"))
		if(user_level)
			event("onChange", this.codename + '.Change(' + d("dueTime") + ', ' + d("period") + ')')
		else
			blk.println(this.temp, ' = ', this.codename, '.Change(', d("dueTime"), ', ', d("period"), ');')
			event("onChange", this.temp)
		end
	else
		blk.println(this.codename, '.Change(', d("dueTime"), ', ', d("period"), ');')
	end
end

func doChange4(dueTime, period)
	if(linked("onChange"))
		if(user_level)
			event("onChange", this.codename + '.Change(' + d("dueTime") + ', ' + d("period") + ')')
		else
			blk.println(this.temp, ' = ', this.codename, '.Change(', d("dueTime"), ', ', d("period"), ');')
			event("onChange", this.temp)
		end
	else
		blk.println(this.codename, '.Change(', d("dueTime"), ', ', d("period"), ');')
	end
end

func doDispose2(notifyObject)
	if(linked("onDispose"))
		if(user_level)
			event("onDispose", this.codename + '.Dispose(' + d("notifyObject") + ')')
		else
			blk.println(this.temp, ' = ', this.codename, '.Dispose(', d("notifyObject"), ');')
			event("onDispose", this.temp)
		end
	else
		blk.println(this.codename, '.Dispose(', d("notifyObject"), ');')
	end
end