func init
	// adds using namespace framework 4.5
	sys.add_use('System.IO.Compression')

	// initialize instance
	params = this.props('Constructor').value
	if(params == 'None')
		sys.add_var(this.name, 'ZipArchive')
	else
		if(params == 'Constructor')
			params = '' + d("Stream")
		elseif(params == 'Constructor2')
			params = '' + d("Stream") + ', ' + sys.get_typed_field('ZipArchiveMode.Read', 'ArchiveMode', 20)
		elseif(params == 'Constructor3')
			params = '' + d("Stream") + ', ' + sys.get_typed_field('ZipArchiveMode.Read', 'ArchiveMode', 20) + ', ' + sys.get_typed_field('false', 'LeaveOpen', 104)
		elseif(params == 'Constructor4')
			params = '' + d("Stream") + ', ' + sys.get_typed_field('ZipArchiveMode.Read', 'ArchiveMode', 20) + ', ' + sys.get_typed_field('false', 'LeaveOpen', 104) + ', ' + sys.get_typed_field('Encoding.UTF8', 'Encoding', 20)
		end
		sys.add_object(this.codename, 'ZipArchive', params)
	end

	// makes implementation methods for properties
	sys._prop_init('Entries', 1, 0, 0)
	sys._prop_init('Mode', 1, 0, 0)

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

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

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

func doConstructor(data)
	linked("onError") ? blk.println('try {').inc() : ''
		blk.println(this.codename, ' = new ZipArchive(', d("Stream"), ');')
	if(linked("onError"))
		blk.dec().println('} catch (Exception ', this.ex, ') {').inc()
			event("onError", this.ex + '.Message')
		blk.dec().println('}')
	end
end

func doConstructor2(data)
	linked("onError") ? blk.println('try {').inc() : ''
		blk.println(this.codename, ' = new ZipArchive(', d("Stream"), ', ', d("ArchiveMode", 20, data), ');')
	if(linked("onError"))
		blk.dec().println('} catch (Exception ', this.ex, ') {').inc()
			event("onError", this.ex + '.Message')
		blk.dec().println('}')
	end
end

func doConstructor3(data)
	linked("onError") ? blk.println('try {').inc() : ''
		blk.println(this.codename, ' = new ZipArchive(', d("Stream"), ', ', d("ArchiveMode", 20, data), ', ', d("LeaveOpen", 104, data), ');')
	if(linked("onError"))
		blk.dec().println('} catch (Exception ', this.ex, ') {').inc()
			event("onError", this.ex + '.Message')
		blk.dec().println('}')
	end
end

func doConstructor4(data)
	linked("onError") ? blk.println('try {').inc() : ''
		blk.println(this.codename, ' = new ZipArchive(', d("Stream"), ', ', d("ArchiveMode", 20, data), ', ', d("LeaveOpen", 104, data), ', ', d("Encoding", 20, data), ');')
	if(linked("onError"))
		blk.dec().println('} catch (Exception ', this.ex, ') {').inc()
			event("onError", this.ex + '.Message')
		blk.dec().println('}')
	end
end