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

	// initialize instance
	if(linked("StreamWriter") and linked("doAppendText"))
		sys.add_var(this.name, 'StreamWriter')
	end

	if(linked("onError"))
		this.setfield('ex', 'ex' + this.id)
	end
end

func doAppendText(data)
	linked("onError") ? blk.println('try {').inc() : ''
		if(linked("StreamWriter"))
			blk.println(this.codename, ' = ', this.make_writer(data), ';')
			event("onAppendText", this.codename)
		else
			event("onAppendText", this.make_writer(data))
		end
	if(linked("onError"))
		blk.dec().println('} catch (Exception ', this.ex, ') {').inc()
			event("onError", this.ex + '.Message')
		blk.dec().println('}')
	end
end

func doAppendAllText(data)
	linked("onError") ? blk.println('try {').inc() : ''
		blk.println('File.AppendAllText(', d("Path"), ', ', d("Text"), ');')
	if(linked("onError"))
		blk.dec().println('} catch (Exception ', this.ex, ') {').inc()
			event("onError", this.ex + '.Message')
		blk.dec().println('}')
	end
end

func doAppendAllText2(data)
	linked("onError") ? blk.println('try {').inc() : ''
		blk.println('File.AppendAllText(', d("Path"), ', ', d("Text"), ', ', isdef("Encoding") ? d("Encoding") : sys.get_undef_manager("Encoding"), ');')
	if(linked("onError"))
		blk.dec().println('} catch (Exception ', this.ex, ') {').inc()
			event("onError", this.ex + '.Message')
		blk.dec().println('}')
	end
end

func doAppendAllLines(data)
	linked("onError") ? blk.println('try {').inc() : ''
		blk.println('File.AppendAllLines(', d("Path"), ', ', d("Contents"), ');')
	if(linked("onError"))
		blk.dec().println('} catch (Exception ', this.ex, ') {').inc()
			event("onError", this.ex + '.Message')
		blk.dec().println('}')
	end
end

func doAppendAllLines2(data)
	linked("onError") ? blk.println('try {').inc() : ''
		blk.println('File.AppendAllLines(', d("Path"), ', ', d("Contents"), ', ', isdef("Encoding") ? d("Encoding") : sys.get_undef_manager("Encoding"), ');')
	if(linked("onError"))
		blk.dec().println('} catch (Exception ', this.ex, ') {').inc()
			event("onError", this.ex + '.Message')
		blk.dec().println('}')
	end
end

func StreamWriter
	if(linked("doAppendText"))
		return(this.codename)
	else
		return(this.make_writer())
	end
end

func make_writer(data)
	return('File.AppendText(' + d("Path") + ')')
end