Message in Chinese (Traditional) (中文(繁體))
指定的索引超出範圍,或位於索引的子項目是 null 值。如果 VisualChildrenCount 傳回零 (表示 Visual 沒有子項目),請勿呼叫此方法。
Unlocalized message
Specified index is out of range or child at index is null. Do not call this method if VisualChildrenCount returns zero, indicating that the Visual has no children.
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