16.13. Clipboard Methods
The following methods manipulate the internal Tk clipboard and also the Windows clipboard (either Unix or Win32).
To add data to the clipboard, use the clipboardAppend method:
$widget->clipboardAppend("data to add");
When you call clipboardAppend, you can specify a format by using the -formatoption with a value. The -format by default is "STRING", but it can also be "ATOM". Another option can be specified, -type, which takes a string such as "STRING" or "FILE_NAME".
To clear out the clipboard, use clipboardClear:
$widget->clipboardClear();
Any data in the clipboard will be removed.
To find out what is in the clipboard, see the selectionGet method in the section entitled "Getting the Selection."
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