Das Geheimnis liegt in der "maxHPosition" Eigenschaft :o)
Da die Tree-Komponente noch nicht dokumentiert ist, findest du analog
dazu die Auflösung auch in der List-Komponente Hilfe. Man beachte
besonders den letzten Satz ...
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...
"Property; specifies the number of pixels the list can scroll when
List.hScrollPolicy is set to "on". The list doesn't precisely measure
the width of text that it contains. You must set maxHPosition to
indicate the amount of scrolling that the list requires. The list will
not scroll horizontally if this property is not set."
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Das folgende Beispiel aktiviert beide Balken beim Tree mit einer 100x100
Abmessung:
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trace("default:" + myTree.hScrollPolicy); // off
trace("default:" + myTree.vScrollPolicy); // on
myTree.hScrollPolicy = "on";
myTree.vScrollPolicy = "on";
myTree.maxHPosition = 100;
myTree.addItem({label:"TreeItem A"});
myTree.addItem({label:"TreeItem B"});
myTree.addItem({label:"TreeItem C"});
myTree.addItem({label:"TreeItem D"});
myTree.addItem({label:"TreeItem E"});
myTree.addItem({label:"TreeItem F"});
myTree.addItem({label:"TreeItem G"});
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ralf ...
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