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WPF Tip: Names can't have ":" in them...

  • Artigo

If you are doing storyboard-based animation, the animation is hooked up to a specific element through a unique id. You write code something like this:

element.Name = "Fred";
window.RegisterName(element.Name, element);

The second call establishes the relationship between the name and the object.

If you're writing cod where there are multiple elements, you need to create unique names. So, something like:

element.Name = "Fred_" + m_id.ToString();
m_id++;

works great. However, if you use:

element.Name = "Fred:" + m_id.ToString();
m_id++;

You'll get a not-very-helpful exception...

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