如果某个函数应该返回一个对象(如 Tkinter 的 Menu 对象),但实际上返回了 None,而你试图调用该返回值的 add_command 方法,就会引发此错误。 变量赋值错误: 可能在某处将变量显式地赋值为 None,然后尝试调用该变量的 add_command 方法。 解决方法 检查函数返回值: 确保调用 add_command 方法的对象不是 None。可...
python 在for循环中使用Menu.add_command()函数只使用最后一个可迭代对象[duplicate]tkinter creating butt...
问减少menu.add_command()的混乱/重复行EN相信有些读者已经听说过 DRY 原则，DRY 的全称是 —— Don...
问OptionMenu add_command需要直接命令吗？EN第一次了解到 GraphQL 是查阅 Github 文档时，偶然看到 v4...
ADVERTISEMENT git add, git commit, and git push in One Command There are two ways of doing this. Create a bash function. Create an alias. Create a Bash Function We can create a Bash function that adds, commits, and pushes our local changes to the remote repository. This function should ...
For example, it's not possible to change the color/look-and-feel of a titlebar using tkinter or the other GUI packages, but with PySimpleGUI it's easy to create windows that appear as if they have a custom titlebar. Unbelievably, this window is using tkinter to achieve what appears ...
Launched in 2018 Actively developed and supported. Supports tkinter, Qt, WxPython, Remi (in browser). Create custom layout GUI's simply. Python 2.7 & 3 Support. 200+ Demo programs & Cookbook for rapid start. Extensive documentation. Examples using Mach
PowerShellPowerShell New Line Video Player is loading. Current Time0:00 / Duration-:- Loaded:0% PowerShell includes a set of special character sequences that can customize the output content. The sequences are commonly known as escape sequences. They begin with the backtick character `` ` ...
Launched in 2018. It's 2022 and PySimpleGUI is actively developed & supported. Create complex windows simply. Supports tkinter, Qt, WxPython, Remi (in browser). Create GUI applications trivially with a full set of widgets. Multi-Window applications are a
Porting GUI code from one framework to another (e.g. moving your code from tkinter to Qt) usually requires a rewrite of your code. PySimpleGUI is designed to enable you to have easy movement between the frameworks. Sometimes some changes are required of you, but the goal is to have high...