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

	// initialize instance
	params = this.props('Constructor').value
	if(params == 'Constructor')
		params = '' + d("pt")
	elseif(params == 'Constructor2')
		params = '' + d("size")
	elseif(params == 'Constructor3')
		params = '' + d("width", 107) + ', ' + d("height", 107)
	end
	sys.add_object(this.codename, 'SizeF', params)

	// initialize properties
	sys.set_typed_field(107, 'Height')
	sys.set_typed_field(107, 'Width')

	// makes implementation methods for properties
	sys._prop_init('.Height', 1, 1, 107)
	sys._prop_init('IsEmpty', 1, 0, 104)
	sys._prop_init('.Width', 1, 1, 107)

	// makes implementation of methods as properties
	sys._mtd_as_prop_init('GetHashCode()')
	sys._mtd_as_prop_init('ToPointF()')
	sys._mtd_as_prop_init('ToSize()')
	sys._mtd_as_prop_init('ToString()')
	sys._mtd_as_prop_init('SizeF')
end

func doSizeF(data)
	blk.println(this.codename, ' = ', d("sz1"), ';')
end
func doConstructor(data)
	blk.println(this.codename, ' = new SizeF(', d("pt"), ');')
end

func doConstructor2(data)
	blk.println(this.codename, ' = new SizeF(', d("size"), ');')
end

func doConstructor3(data)
	blk.println(this.codename, ' = new SizeF(', d("width", 107), ', ', d("height", 107), ');')
end

func Empty
	return('SizeF.Empty')
end

func doAdd(data)
	if(sys.is_linked(3))
		blk.println(this.codename, ' = SizeF.Add(', d("sz1"), ', ', d("sz2"), ');')
		event("onAdd", this.codename)
	else
		event("onAdd", 'SizeF.Add(' + d("sz1") + ', ' + d("sz2") + ')')
	end
end

func doEquals(data)
	if(linked("onEquals"))
		event("onEquals", this.codename + '.Equals(' + d("obj") + ')')
	else
		blk.println(this.codename, '.Equals(', d("obj"), ');')
	end
end

func doSubtract(data)
	if(sys.is_linked(3))
		blk.println(this.codename, ' = SizeF.Subtract(', d("sz1"), ', ', d("sz2"), ');')
		event("onSubtract", this.codename)
	else
		event("onSubtract", 'SizeF.Subtract(' + d("sz1") + ', ' + d("sz2") + ')')
	end
end