Perl/TkFAQ-10.18.如何限制输入框中内容的宽度

原文： 10.18. How do I limit an Entry's insertion width? Nick Ing-Simmons recommends writing a n

原文： 10.3. How do I arrange the layout of my widgets? To control the layout and appearance of w

原文： 10.5. How do I bind keyboard keys? There are many default key bindings built in to the wid

如何在文本框中限制输入 大家是如何对文本输入实现限制的呢空饫锝樯芤幌掠秒eydown句柄和pass指令实现的方法。 首先，让我们看看如何完全屏蔽和完全不屏蔽字符输入。 如果在某个可编

原文： 10.16. How do I get the entry in an Entry? You want to call get on the return value of the

原文： 10.17. How do I hide a password Entry? Set the -show option to zero, as in this example: $

原文： 18.3. How can I do animations using after? There is a "toggling button" demo script suppli

原文： 10. How do I get widget X to do Y ? There are a number of tasks that can be accomplished w

原文： 10.1. How do I get a Button to call a Perl subroutine? You may specify the -command option

原文： 10.8. How do I configure a Scrollbar to scroll multiple widgets? Note that the widget type