Adjusting Windows 7's taskbar preview window is too small

Does anyone feel that the Windows 7 taskbar preview window is too small? If you have this confusion, then today teach you how to adjust its size:

Step 1: Open the Registry Editor

(Start, run..., type regedit Enter; also press Win key + R key, enter regedit carriage return; you can also open Windows7 optimization master, click the system toolbox, open the registry editor)

Step 2: Find HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorerTaskband

Step 3: Right-click the blank space on the right side and select New - DWORD (32-bit) value, name is MinThumbSizePx

Step 4: Double-click the newly created MinThumbSizePx key value, then enter you in "Value data" The preview window size expected to be adjusted.

The default is around 200, you can adjust to 300, and the "base" on the right, select decimal. Click OK to close the registry.

Step 5: logging the user to log in again you can see a preview window bigger! (You can also end the explorer.exe process and then open the explorer process)

What? Do you want to restart? Sure can also!

Change the method back: delete the MinThumbSizePx!