使 TextBlock 文本逐字符显示
我正在尝试设置 TextBlock 的样式，使其看起来像每次更新其内容时，内容都会更新，就像我们逐个字符地输入内容一样。有人能让我朝着正确的方向开始吗？我不知道该怎么办。
I'm trying to style a TextBlock to make it look like everytime I update its content, the content updates like we were typing it in, character by character. Can someone start me off in the right direction? I have no clue what to do.
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我建议创建一个行为（有很多关于创建这些行为的示例）。就您而言，您可以创建一个行为。
由于 TextBlock 不公开 TextChanged 事件，因此您可能必须挂钩 Text 属性的绑定，然后运行代码。您可以将文本清除为空字符串，然后一一延迟添加字符（注意：在更新文本时，您需要停止侦听文本的更改）。
I'd suggest creating a Behavior (there are lots of examples out there on creating these). In your case, you could just create a Behavior.
Since the TextBlock doesn't expose a TextChanged event, you'd probably have to hook into the binding for the Text property and then run your code. You could clear the text to an empty string and then add the characters one by one with a delay (note: you'd need to quit listening for changes to Text while you're updating it).