Customize the Size of the Windows 7 Taskbar Icons

I dislike when I click the icons on the Windows taskbar then the icon will become large.
It's fine when you just need click one icon at a time.
But if you want to click two and more icons quickly at a short time?
Sometimes you will click the software twice or more especially Outlook

Open the Registry Editor.
HKEY_CURRENT_USER\Control Panel\Desktop\WindowMetrics
Add a String value "MinWidth"
type a number: 32 and up (regular is 52) . 31 and lower number won't work..