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01.Perl/TkFAQ-11.2.如何擦除画布上的元素？
原文：11.2. Erase a display?To erase something like a bitmap call delete on the item. Assuming your Canvas tag is $canvar and your item tag it $bittag (as in the previous [11.1] question) ...查看完整版>>Perl/TkFAQ-11.2.如何擦除画布上的元素？02.Perl/TkFAQ-11.10.如何给画布的不同区域设置不同的绑定？
原文：11.10. How do I bind different actions to different areas of the same Canvas?KOBAYASI Hiroaki <kobayasi@sowa.is.uec.ac.jp> recently posted an extraordinary little script that a...查看完整版>>Perl/TkFAQ-11.10.如何给画布的不同区域设置不同的绑定？03.Perl/TkFAQ-11.1如何在画布中显示位图？
原文：11.1. Display a bitmap?Unlike other widgets the Canvas does not take the -bitmap configuration option. One of the ways to place things - including bitmaps - onto a Canvas is to call ...查看完整版>>Perl/TkFAQ-11.1如何在画布中显示位图？04.Perl/TkFAQ-11.5.如何调整画布中线条的位置？
原文：11.5. How do I redraw a line on a Canvas?By calling the ->coord method on the item as in the following example: #!/usr/bin/perl use Tk; $m = MainWindow->new; $c = $m -> Canv...查看完整版>>Perl/TkFAQ-11.5.如何调整画布中线条的位置？05.Perl/TkFAQ-11.6.如何把画布作为布局管理器
原文：11.6. How do I use the Canvas as a geometry manager?In a call to create a window (or anything) on your Canvas you need to specify its position - this is in part how a Canvas can be u...查看完整版>>Perl/TkFAQ-11.6.如何把画布作为布局管理器06.Perl/TkFAQ-10.5.如何绑定键盘上的按键
原文：10.5. How do I bind keyboard keys?There are many default key bindings built in to the widgets of perl/Tk. Making proper use of them often involves setting up the right callback. (You...查看完整版>>Perl/TkFAQ-10.5.如何绑定键盘上的按键07.Perl/TkFAQ-10.8.如何配置用一个滚动条来控制多个组件
原文：10.8. How do I configure a Scrollbar to scroll multiple widgets?Note that the widget type that you wish to scroll can be important as a scroll "unit" on a Text or Listbox may be a ch...查看完整版>>Perl/TkFAQ-10.8.如何配置用一个滚动条来控制多个组件08.Perl/TkFAQ-10.9.如何显示一个位图（bitmap）
原文：10.9. How do I display a bitmap?You can display X bitmaps on your widgets with the -bitmap configuration option. Typically -bitmaps are configured into Label, Frame, Button, etc. wid...查看完整版>>Perl/TkFAQ-10.9.如何显示一个位图（bitmap）09.Perl/TkFAQ-10.10.如何显示一个图像？
原文：10.10. How do I display an image?You will want to get a "Photo" handle on the file as in the following example where 'imggif' is the Photo handle for a gif file that is distributed w...查看完整版>>Perl/TkFAQ-10.10.如何显示一个图像？10.Perl/TkFAQ-10.16.如何获取输入框（Entry）中的内容
原文：10.16. How do I get the entry in an Entry?You want to call get on the return value of the widget itself. Here is how it may be used in a simplified version of example 1.1 from the Tk...查看完整版>>Perl/TkFAQ-10.16.如何获取输入框（Entry）中的内容

 

 

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