Structure variables, all available expressions

How do I...?
#1

Where to find all available expressions for structure variables. Can not find them in the Expression Editor.

#2

Expressions…can you explain it to me? because I think they haven’t any expressions, just:

Main.Child_1.Child_11
Main["Child_1"]["Child_11"]

or any combination:

Main["Child_1"].Child_11
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#3

For example: Main.Size, Main.AppendChild, Main[ToString(number)].Child or something similar.

#4

This is just a way to call the variable, instead of a constant string, you use a variable string. It isn’t a variable expression.

To append a child, simply set its value in any event, I think :confused:

It’s really interesting :slight_smile: But it seems that there is no way to get the variable’s size :frowning:
I usually use a child named “n” and increase it every time I add a “real child”, so I follow the variable size.

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