API
状態をコードで変更
配置
my:'left+50 top+50',at:'left top'
my:'left top',at:'left+200 top+100'
my:'left top',at:'left+10 top+250'
my:'left top',at:'left+200 top+10'
my:'center',at:'center'
my:'center-100 center-100',at:'center'