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

	// initialize instance
	params = this.props('Constructor').value
	if(params == 'Constructor')
		params = '' + d("FileName")
	elseif(params == 'Constructor2')
		params = '' + d("contentStream") + ', ' + sys.get_undef_manager("ContentType")
	elseif(params == 'Constructor3')
		params = '' + d("contentStream") + ', ' + d("NameMIME")
	elseif(params == 'Constructor4')
		params = '' + d("FileName") + ', ' + sys.get_undef_manager("ContentType")
	elseif(params == 'Constructor5')
		params = '' + d("FileName") + ', ' + d("mediaType")
	elseif(params == 'Constructor6')
		params = '' + d("contentStream") + ', ' + d("NameMIME") + ', ' + d("mediaType")
	end
	blk_init.println('try {').inc()
	sys.add_object(this.codename, 'Attachment', params)
	blk_init.dec().println('} catch {};')

	// initialize properties
	sys.set_typed_field(20, 'NameEncoding')
	sys.set_typed_field(2, 'Name', 'NameMIME')

	// makes implementation methods for properties
	sys._prop_init('ContentDisposition', 1, 0, 0)
	sys._prop_init('Name', 1, 0, 2)
	sys._prop_init('NameEncoding', 1, 1, 0)

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

	// initialize common events and properties
	include("AttachmentBase-init")
end

func doConstructor(fileName)
	blk.println(this.codename, ' = new Attachment(', d("FileName"), ');')
	this.init_fields()
end

func doConstructor2(contentStream, contenttype)
	blk.println(this.codename, ' = new Attachment(', d("contentStream"), ', ', sys.get_undef_manager("ContentType"), ');')
	this.init_fields()
end

func doConstructor3(contentStream, namemime)
	blk.println(this.codename, ' = new Attachment(', d("contentStream"), ', ', d("NameMIME"), ');')
	this.init_fields()
end

func doConstructor4(fileName, contenttype)
	blk.println(this.codename, ' = new Attachment(', d("FileName"), ', ', sys.get_undef_manager("ContentType"), ');')
	this.init_fields()
end

func doConstructor5(fileName, mediaType)
	blk.println(this.codename, ' = new Attachment(', d("FileName"), ', ', d("mediaType"), ');')
	this.init_fields()
end

func doConstructor6(contentStream, namemime, mediaType)
	blk.println(this.codename, ' = new Attachment(', d("contentStream"), ', ', d("NameMIME"), ', ', d("mediaType"), ');')
	this.init_fields()
end

func doCreateFromString(content, contenttype)
	blk.println(this.codename, ' = Attachment.CreateAttachmentFromString(', d("content"), ', ', sys.get_undef_manager("ContentType"), ');')
	this.init_fields()
end

func doCreateFromString2(content, namemime)
	blk.println(this.codename, ' = Attachment.CreateAttachmentFromString(', d("content"), ', ', d("NameMIME"), ');')
	this.init_fields()
end

func doCreateFromString3(content, namemime, contentEncoding, mediaType)
	blk.println(this.codename, ' = Attachment.CreateAttachmentFromString(', d("content"), ', ', d("NameMIME"), ', ', d("contentEncoding"), ', ', d("mediaType"), ');')
	this.init_fields()
end

func init_fields()
	// initialize properties
	sys.set_typed_field(2, 'Name', 'NameMIME', '', blk)
	sys.set_typed_field(20, 'NameEncoding', '', '', blk)
end

include("AttachmentBase")