The first child tree item.
Eigenschaft von
Beschreibung
firstChild is a read-only property that contains an object reference to the object’s first child tree item. If the object has no children, firstChild is null.
When a form is opened, a TreeView object's firstChild property will point to it's first TreeItem. The firstChild property will return "null" when:
- The form's TreeView doesn't contain any TreeItems
- The form isn't open.
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