Windows clipboard

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The '''Windows clipboard''' holds data being temporarily copied/cut and pasted within programs running under the Microsoft [[Windows]] operating system. There are various sub-formats of it to handle different sorts of text, graphical, and other data. While this is usually just held in memory, sometimes it may be saved in files with a .clp extension.
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The '''Windows clipboard''' holds data being temporarily copied/cut and pasted within programs running under the Microsoft [[Windows]] operating system. There are various sub-formats of it to handle different sorts of text, graphical, and other data. While this is usually just held in memory, sometimes it may be saved in files with a '''.clp''' extension.
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== Identification ==
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.clp files begin with a 2-byte signature. Known signatures:
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* {{magic|0x50 0xc3}} (Windows 3.1)
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* {{magic|0x51 0xc3}} (NT)
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* {{magic|0x52 0xc3}} ("BK")
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== Specifications ==
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Documentation of the .clp file format is lacking, but [https://reactos.org/ ReactOS] is open source, and appears to support at least one version of the standard format (WriteClipboardFile() in [https://github.com/reactos/reactos/blob/master/base/applications/clipbrd/fileutils.c clipbrd/fileutils.c]).
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== Software ==
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For .clp files:
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* Clipboard Viewer / ClipBook Viewer - Included with Microsoft Windows prior to Vista.
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* [[XnView]] - Can read graphical files.
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* [https://www.irfanview.com/ IrfanView] - Can read graphical files.
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* {{Deark}}
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== Sample files ==
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* {{CdTextfiles|ccbwindows93/VIEWERS/PGACLP.ZIP|PGACLP.ZIP}}
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* {{DexvertSamples|image/windowsClipboard}}
  
 
== Links ==
 
== Links ==
 
* [https://msdn.microsoft.com/en-us/library/windows/desktop/ff729168%28v=vs.85%29.aspx Standard Clipboard Formats]
 
* [https://msdn.microsoft.com/en-us/library/windows/desktop/ff729168%28v=vs.85%29.aspx Standard Clipboard Formats]
* [http://stackoverflow.com/questions/998655/how-can-i-get-an-image-out-of-the-clipboard-without-losing-the-alpha-channel-in How can I get an image out of the clipboard without losing the alpha channel in .NET?]
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* [https://stackoverflow.com/questions/998655/how-can-i-get-an-image-out-of-the-clipboard-without-losing-the-alpha-channel-in How can I get an image out of the clipboard without losing the alpha channel in .NET?]
* [http://stackoverflow.com/questions/7045264/how-do-i-read-a-jpg-or-png-from-the-windows-clipboard-in-python-and-vice-versa How do I read a jpg or png from the windows clipboard in python and vice versa?]
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* [https://stackoverflow.com/questions/7045264/how-do-i-read-a-jpg-or-png-from-the-windows-clipboard-in-python-and-vice-versa How do I read a jpg or png from the windows clipboard in python and vice versa?]
 
* [http://search.cpan.org/~jdb/Win32-Clipboard-0.58/Clipboard.pm Win32::Clipboard Perl module]
 
* [http://search.cpan.org/~jdb/Win32-Clipboard-0.58/Clipboard.pm Win32::Clipboard Perl module]
  

Latest revision as of 02:56, 28 December 2023

File Format
Name Windows clipboard
Ontology
Extension(s) .clp

The Windows clipboard holds data being temporarily copied/cut and pasted within programs running under the Microsoft Windows operating system. There are various sub-formats of it to handle different sorts of text, graphical, and other data. While this is usually just held in memory, sometimes it may be saved in files with a .clp extension.

Contents

[edit] Identification

.clp files begin with a 2-byte signature. Known signatures:

  • 0x50 0xc3 (Windows 3.1)
  • 0x51 0xc3 (NT)
  • 0x52 0xc3 ("BK")

[edit] Specifications

Documentation of the .clp file format is lacking, but ReactOS is open source, and appears to support at least one version of the standard format (WriteClipboardFile() in clipbrd/fileutils.c).

[edit] Software

For .clp files:

  • Clipboard Viewer / ClipBook Viewer - Included with Microsoft Windows prior to Vista.
  • XnView - Can read graphical files.
  • IrfanView - Can read graphical files.
  • Deark

[edit] Sample files

[edit] Links

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