问题描述
限时送ChatGPT账号..如何获取 Tkinter 窗口的宽度和高度?
How do I get the width and height of a Tkinter window?
推荐答案
您使用小部件的 winfo_width
方法来获取实际宽度.您可以使用 winfo_reqwidth
获取小部件请求的大小,这可能会有所不同.
You use the winfo_width
method of the widget to get the actual width. You can use winfo_reqwidth
to get the size that the widget is requesting, which may be different.
请注意,如果您在窗口出现在屏幕上之前调用它,您将不会得到预期的答案.Tkinter 需要实际绘制窗口才能知道大小.如果您在程序启动之前尝试获取窗口大小,一个简单的解决方法是在尝试获取大小之前调用窗口上的 update
方法.
Note that if you call this before the window appears on the screen, you won't get the answer you expect. Tkinter needs to have actually drawn the window before it can know the size. A simple fix if you're trying to get the window size before your program starts is to call the update
method on the window before trying to get the size.
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