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Shortcut keys for saving dimensions

It is necessary to set shortcut keys for saving dimensions, like Shift + Ctrl + S

If you mean page details that is CTRL D C

File: C:\Users\K\Downloads\MyBinary.pdf
Created: 2013-05-02 16:51:50
Modified: 2013-05-02 16:51:50
PDF Producer: iText® 5.4.2 ©2000-2012 1T3XT BVBA (AGPL-version)
PDF Version: 1.7
File Size: 0.86 KB (882 Bytes)
Number of Pages: 1
Page Size: 21.0 x 29.7 cm

OR Pre-release only with fonts CTRL D D C

File: C:\Users\K\Downloads\MyBinary.pdf
Created: 2013-05-02 16:51:50
Modified: 2013-05-02 16:51:50
PDF Producer: iText® 5.4.2 ©2000-2012 1T3XT BVBA (AGPL-version)
PDF Version: 1.7
File Size: 0.86 KB (882 Bytes)
Number of Pages: 1
Page Size: 21.0 x 29.7 cm
   
Fonts: Helvetica (Type1; Ansi)

If you mean a page area you will need to do that via paint