如何在comboBox javafx中设置默认值?
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时间:2020-08-11 16:10:00 来源:igfitidea点击:
How to set default value in comboBox javafx?
提问by Shersha Fn
I need to set a default value for a ComboBox
from an ObservableArrayList
, I am trying to set the first value in my ArrayList
as a default value.
我需要为 a ComboBox
from an设置一个默认值ObservableArrayList
,我试图将 my 中的第一个值设置ArrayList
为默认值。
List = FXCollections.observableArrayList(arrayList);
comboBox.setItems(List);
采纳答案by Uluk Biy
comboBox.getSelectionModel().selectFirst();
回答by simpleuser
comboBox.getSelectionModel().select(index);
where index
is the integer positionof the item to select in the selection model, or a valuefrom and of the same type as the arrayList.