Version: 2020.1
言語: 日本語

TreeView.columnIndexForTreeFoldouts

マニュアルに切り替える
protected int columnIndexForTreeFoldouts ;

説明

When using a MultiColumnHeader this value should be set to the column index in which the foldout arrows should appear.

The default value is 0, so by default the foldouts are shown in the first column.