update

example/qml-Qt6/page/T_TreeView.qml

@@ -86,22 +86,32 @@ FluScrollablePage {
                 }
                 FluSlider{
                     id:slider_width
-                    value: 200
+                    value: 280
                     from: 160
                     to:400
                 }
             }
-
             FluToggleSwitch{
                 id:switch_showline
                 text:"showLine"
                 checked: true
             }
-
             FluToggleSwitch{
                 id:switch_draggable
                 text:"draggable"
-                checked: false
+                checked: true
+            }
+            FluButton{
+                text:"all expand"
+                onClicked: {
+                    tree_view.allExpand()
+                }
+            }
+            FluButton{
+                text:"all collapse"
+                onClicked: {
+                    tree_view.allCollapse()
+                }
             }
         }
     }
@@ -120,3 +130,4 @@ FluScrollablePage {
 '
     }
 }
+