wxPython - CollapseAll() method in wx.TreeCtrl

wxPython - CollapseAll() method in wx.TreeCtrl

wx.TreeCtrl is a widget in the wxPython library that provides a tree control. This control is often used for displaying hierarchical data, where items have parent-child relationships, like directory structures.

The CollapseAll() method is used to collapse all items in the tree, hiding their child items.

Here's a simple example of how you can use the wx.TreeCtrl and the CollapseAll() method:

import wx class MyFrame(wx.Frame): def __init__(self, parent): super(MyFrame, self).__init__(parent, title="wx.TreeCtrl Example") self.panel = wx.Panel(self) self.tree = wx.TreeCtrl(self.panel, pos=(10,10), size=(200,150)) # Sample data root = self.tree.AddRoot('Root') item1 = self.tree.AppendItem(root, 'Item 1') self.tree.AppendItem(item1, 'Subitem 1.1') self.tree.AppendItem(item1, 'Subitem 1.2') item2 = self.tree.AppendItem(root, 'Item 2') self.tree.AppendItem(item2, 'Subitem 2.1') # Button to trigger CollapseAll btn = wx.Button(self.panel, label="Collapse All", pos=(220, 10)) btn.Bind(wx.EVT_BUTTON, self.on_collapse_all) self.SetSize((400, 200)) def on_collapse_all(self, event): self.tree.CollapseAll() if __name__ == "__main__": app = wx.App(False) frame = MyFrame(None) frame.Show() app.MainLoop()

In this example, we created a simple wx application with a tree control and a button. When you click the "Collapse All" button, all items in the tree will be collapsed using the CollapseAll() method.

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