treeview

add a node to specific child node

由 99封情书 提交于 2021-02-07 08:54:52
问题 I can add a node to a treeview add method.But I want to add a node to specific child node. For example want to add a node to node5 |___node0 |___node1 | |___node3 | |___node4 | |___node5 |___node2 How do I can do this? Thanks. 回答1: Basic recursive tree node searcher, of the top of my head. If you only need to search by key, the answer by weismat is the easiest, however if you need to search by the data on the nodes, you should consider this solution as you can replace the name search with

add a node to specific child node

由 荒凉一梦 提交于 2021-02-07 08:53:42
问题 I can add a node to a treeview add method.But I want to add a node to specific child node. For example want to add a node to node5 |___node0 |___node1 | |___node3 | |___node4 | |___node5 |___node2 How do I can do this? Thanks. 回答1: Basic recursive tree node searcher, of the top of my head. If you only need to search by key, the answer by weismat is the easiest, however if you need to search by the data on the nodes, you should consider this solution as you can replace the name search with

How can I investigate and resolve an (apparent) Access database corruption?

由 允我心安 提交于 2021-02-07 06:06:24
问题 I have an Microsoft Access 2010 database application with split front end and backend which has started to behave oddly, and I've exhausted all the options I know for investigating and resolving the problem. 32-bit Access 2010 running on Windows 8.1... I have both Access 2010 and Access 2013 installed, but the problem also manifests itself on a Windows 8.1 system with a completely fresh install of Access 2010 and no Office 2013 present. The issue also exists if the application is run using

Adding the check boxes in the TREEVIEW in c#

由 大城市里の小女人 提交于 2021-02-07 04:54:09
问题 i want to add the check box to the child node of a certain parent node in the tree view in my application...How should i add it? 回答1: TreeView has a property with the name CheckBoxes , if set to true , it shows checkboxes for all child nodes. 回答2: The TreeView API only allows you to add/remove checkboxes for EVERY node. If that's what you want, then the answer is easy - use the TreeView's CheckBoxes property. If you want a checkbox for a particular node in the tree only, then it gets tricky.

AutoExpand treeview in WPF

由 泄露秘密 提交于 2021-02-06 09:35:31
问题 Is there a way to automatically expand all nodes from a treeview in WPF? I searched and didn't even find an expand function in the treeview property. Thanks 回答1: You can set ItemContainerStyle and use IsExpanded property. <Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> <Grid> <TreeView> <TreeView.ItemContainerStyle> <Style TargetType="{x:Type TreeViewItem}"> <Setter Property="IsExpanded" Value="True"/> </Style> <

How to make a context menu work on a treeview in javaFX?

由 孤人 提交于 2021-02-04 21:50:32
问题 I want to have a context menu on a TreeView item. I am expecting that the ActionEvent of the event handler gives me information about which TreeView item is clicked, but I just find that getSource and getTarget return a Menu Item. How can I find out which TreeView Item has been clicked? I can have multiple treevIews in separate Tabs. FileContextMenu cm = new FileContextMenu(new EventHandler<ActionEvent>() { public void handle(ActionEvent e) { System.out.println("Open File"); //MenuItem mi =

How to make a context menu work on a treeview in javaFX?

由 让人想犯罪 __ 提交于 2021-02-04 21:49:58
问题 I want to have a context menu on a TreeView item. I am expecting that the ActionEvent of the event handler gives me information about which TreeView item is clicked, but I just find that getSource and getTarget return a Menu Item. How can I find out which TreeView Item has been clicked? I can have multiple treevIews in separate Tabs. FileContextMenu cm = new FileContextMenu(new EventHandler<ActionEvent>() { public void handle(ActionEvent e) { System.out.println("Open File"); //MenuItem mi =

visualfreebasic 5正式版(可视化编程环境)

由 断了今生、忘了曾经 提交于 2021-02-04 17:27:41
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How to change height of only one row in a Treeview?

由 不羁的心 提交于 2021-01-29 21:57:57
问题 I'm creating a Tkinter-based GUI in Python, and I can't find out how to change the height of only one row. I've tried this code, but it changes height of every row. from tkinter import * from tkinter.ttk import * root = Tk() Style(root).configure("Treeview", rowheight=40) tree = Treeview(root, style="Treeview") tree.pack() for i in range(100): tree.insert("", END, i, text=str(i) * i) root.mainloop() I've also tried to use the style for certain tags, but it doesn't work. How can I do what I

Copy items from treeview tkinter

由 情到浓时终转凉″ 提交于 2021-01-29 15:06:03
问题 I have a tree view in one of my tkinter app and i wanted to know if it really is possible to actually, just copy a selected field on right-clicking by the user. If not , is there any other widget tht allows the user to copy a selected field shown in GUI window. Code: log = Toplevel(root) log.title('View all Visitors') log.focus_force() # setup treeview columns = (('ID', 80), ('S_ID', 80), ('S_NAME', 300), ('Title of the book', 500), ('Accession no. of book', 80), ('Date Taken', 100), ('Due
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