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滚动控制使用指导 · App Inventor 2 中文网
...，将同名事件的处理合并到一个事件积木中。
when Screen1.Initialize() {
滚动控制1.Register(垂直滚动条布局1)
}
when 按钮_发送.Click() {
标签_记录.Text = join(标签_记录.Text, "我：", 文本输入框1.Text)
文本输入框1.Text = ""
滚动控制1.Scr...
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edited Sep 6 '18 at 1:31
derekjobst
344 bronze badges
answered Jan 20 '10 at 5:17
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edited Feb 18 at 12:42
answered Apr 20 '11 at 1:59
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answered May 8 '13 at 9:33
Rory McCrossanRory McCrossan
291k3333 gold badges259259 silver badges297297 bronze badges
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