Customizing the size of close, minimize and maximize icons

[myelin]

I am using these settings to achieve my desired size like its in Vista onto XP. I learnt these settings from Tihiy and they work flawlessly in Windows 98se, but not in XP:

REGEDIT4

[HKEY_CURRENT_USER\Control Panel\Desktop\WindowMetrics]

"CaptionWidth"="-500"

"CaptionHeight"="-315"

Can anybody help me. Thanks.