contextmenu

问题 So my ExpandableListView has group rows that are defined like : group_row.xml <?xml version=\"1.0\" encoding=\"utf-8\"?> <RelativeLayout xmlns:android=\"http://schemas.android.com/apk/res/android\" android:layout_width=\"match_parent\" android:layout_height=\"match_parent\" > <TextView android:id=\"@+id/GroupName\" style=\"@style/ListViewRowStyle\" android:paddingLeft=\"40dp\" android:textSize=\"18sp\" > </TextView> <ImageView android:id=\"@+id/Menu\" android:layout_width=\"wrap_content\"

问题 I want to add a custom right-click menu to my web application. Can this be done without using any pre-built libraries? If so, how to display a simple custom right-click menu which does not use a 3rd party JavaScript library? I\'m aiming for something like what Google Docs does. It lets users right-click and show the users their own menu. NOTE: I want to learn how to make my own versus using something somebody made already since most of the time, those 3rd party libraries are bloated with

问题 My goal is to have an EditText that has no fancy features, just the Text Selection Handler for moving the cursor more easily -- so no context menus or pop-ups. I\'ve disabled the appearance of the text editing function actionbar (copy/Paste etc.) by consuming the ActionMode Callback event, as per this solution. The middle Middle Text Select Handle (see image below) still appears when text exists in the field and a click occurs within the text. Great! I want to keep this behaviour. What I DON\

问题 I am having some trouble figuring out how to set the correct DataContext on a ContextMenu . I have a collection of view models who are the source of an ItemsControl . Each view model has a collection of items which are also the source of another ItemsControl . Each item is used to draw image which has a ContextMenu . The MenuItems in that ContextMenu need to bind to a command on the view model, but the PlacementTarget of the ContextMenu is pointing to the individual item. My Xaml looks

问题 This question already has an answer here: How do I disable right click on my web page? 23 answers Not that I\'m trying to prevent \'View Source\' or anything silly like that, but I\'m making some custom context menus for certain elements. EDIT: response to answers: I\'ve tried this: <a id=\"moo\" href=\'\'> </a> <script type=\"text/javascript\"> var moo = document.getElementById(\'moo\'); function handler(event) { event = event || window.event; if (event.stopPropagation) event.stopPropagation

问题 I am developing an android application.I will have a listview and i have set a context menu to appear when a listview item is long-pressed.How do i get the item from the listview item selected(say text from a listview textview) after an action from the contextmenu is chosen so i can process it? Here is some code: protected void onCreate(Bundle savedInstanceState) { ------- lv1 = (ListView) findViewById(R.id.listings); registerForContextMenu(lv1); lv1.setOnItemClickListener(this); } And the

问题 I have a datagridview in a .NET winform app. I would like to rightclick on a row and have a menu pop up. Then i would like to select things such as copy, validate, etc How do i make A) a menu pop up B) find which row was right clicked. I know i could use selectedIndex but i should be able to right click without changing what is selected? right now i could use selected index but if there is a way to get the data without changing what is selected then that would be useful. 回答1: You can use the

问题 Has anybody else noticed that Bindings with ElementName do not resolve correctly for MenuItem objects that are contained within ContextMenu objects? Check out this sample: <Window x:Class=\"EmptyWPF.Window1\" xmlns=\"http://schemas.microsoft.com/winfx/2006/xaml/presentation\" xmlns:x=\"http://schemas.microsoft.com/winfx/2006/xaml\" Title=\"Window1\" Height=\"300\" Width=\"300\" x:Name=\"window\"> <Grid x:Name=\"grid\" Background=\"Wheat\"> <Grid.ContextMenu> <ContextMenu x:Name=\"menu\">

问题 i\'ve dveloped an application that load an image using the context menu of window (right click on the file) and for the moment is working, but the reg key is on HKEY_CLASSES_ROOT\\* and it works with all files. I want that the menu item on the context menu should be displayed only with .jpg files. Whow i can do that? Which registry keys i should use? Thanks in advance. 回答1: 1) Identify the file type (ProgID) for .jpg files This can be done by checking the default value of HKEY_CLASSES_ROOT\

问题 Problemset: Context Menu should show filter variables dynamically and execute a function with parameters defined inside the callback. Generic descriptions show properly, but function call is always executed with last set option. What I have tried: #!/usr/bin/env python import Tkinter as tk import ttk from TkTreectrl import MultiListbox class SomeClass(ttk.Frame): def __init__(self, *args, **kwargs): ttk.Frame.__init__(self, *args, **kwargs) self.pack(expand=True, fill=tk.BOTH) self.grid