messagebox

问题 The following code runs fine within IDLE, but otherwise I get "NameError: global name 'messagebox' is not defined". However, if I explicitly state from tkinter import messagebox , it runs fine from where ever. from tkinter import * from tkinter import ttk root = Tk() mainFrame = ttk.Frame(root) messagebox.showinfo("My title", "My message", icon="warning", parent=mainFrame) Why does IDLE not need the explicit import statement but elsewhere it is required? 回答1: the messagebox is a separate

问题 The following code runs fine within IDLE, but otherwise I get "NameError: global name 'messagebox' is not defined". However, if I explicitly state from tkinter import messagebox , it runs fine from where ever. from tkinter import * from tkinter import ttk root = Tk() mainFrame = ttk.Frame(root) messagebox.showinfo("My title", "My message", icon="warning", parent=mainFrame) Why does IDLE not need the explicit import statement but elsewhere it is required? 回答1: the messagebox is a separate

问题 I've found that when a toplevel widget calls a messagebox dialog (like "showinfo"), the root window is showed up, over the toplevel. Is there a way to set the Toplevel window as the master of the messagebox dialog ? Here is a script to reproduce this : # -*- coding:utf-8 -*- # PYTHON 3 ONLY from tkinter import * from tkinter import messagebox root = Tk() root.title('ROOT WINDOW') Label(root, text = 'Place the toplevel window over the root window\nThen, push the button and you will see that

问题 I need to display a message to the user. When I do this using MsgBox , the program stops until the user clicks the box away. I'd like to know if there's a way to open the MsgBox without pausing the program. 回答1: Sounds like you're not expecting any user input from the MsgBox. In this case, depending on your application, the StatusBar may be an adequate substitute. In Excel this is easy: Application.StatusBar = "Please be patient..." Application.StatusBar = iDone & " of " & iTotal & " items

问题 How to show a message box in a .net c# or vb console application ? Something like: Console.WriteLine("Hello World"); MessageBox.Show("Hello World"); or Console.WriteLine("Hello") MsgBox("Hello") in c# and vb respectively. Is it possible? 回答1: We can show a message box in a console application. But first include this reference in your vb.net or c# console application System.Windows.Forms; Reference: To add reference in vb.net program right click (in solution explorer) on your project name->

问题 How to show a message box in a .net c# or vb console application ? Something like: Console.WriteLine("Hello World"); MessageBox.Show("Hello World"); or Console.WriteLine("Hello") MsgBox("Hello") in c# and vb respectively. Is it possible? 回答1: We can show a message box in a console application. But first include this reference in your vb.net or c# console application System.Windows.Forms; Reference: To add reference in vb.net program right click (in solution explorer) on your project name->

问题 How can I add custom buttons to the existing MessageBox in WPF? Apart from the usual Ok and Cancel buttons, I need to add 3 more buttons and also handle their events. 回答1: Short answer: No it is not possible, you need to write a new window. Long answer: the MessageBox class uses the Win32 MessageBox (or maybe MessageBoxEx) function, this function does not support extending the message box. It is possible to modify the message box after it is opened, but: It is a lot of work It isn't supported

问题 Help me please to create a messagebox which stays always on top, and user can't use other windows functions like calling start menu or interacting with other windows until he presses the OK button on messagebox. 回答1: The second parameter of the MsgBox function allows you to specify options for the dialog. MsgBox "Hello, World!", vbSystemModal For more information, see my article Mastering the Message Box. 回答2: MsgBox "Hello, World!", +vbSystemModal Make sure to add the "+" before

问题 Say I want to display some validation error to the user. In the MVVM pattern, I could have a label that is bound to some property on my viewmodel. But what if I wanted to show a message box while strictly adhering to the MVVM pattern. What would my viewmodel bind to, and how would it trigger a message box to be created/displayed? 回答1: Have an interface IMessageBoxService as: interface IMessageBoxService { bool ShowMessage(string text, string caption, MessageType messageType); } Create a

问题 I am trying to output the area using a message box, and it should be displayed as, for example, 256 unit^2... How can I write a superscript (for powers) and a subscript (like O2 for oxygen)??? This guy here adds a superscript like (TM): Adding a TM superScript to a string I Hope I got myself clear! Thanks in advance and sorry for any inconvenience... 回答1: You could try using unicode super/subscripts, for example: var o2 = "O₂"; // or "O\x2082" var unit2 = "unit²"; // or "unit\xB2" If that