本文介绍如何通过修改注册表项HKEY_CLASSES_ROOT来禁用或启用未知文件类型打开时出现的“打开方式”对话框中的保存选项。具体操作包括删除或设置特定的注册表键值。
HKEY_CLASSES_ROOT\Applications. Select the associated sub-key, if 'NoOpenWith' is listed, delete it.
This setting allows you to control whether the checkbox to save the "Open With" program is available when an unknown file type is opened.
HKEY_CLASSES_ROOT\Unknown\shell\openas\command
To enable the checkbox set the (Default) value to "rundll32.exe shell32.dll,OpenAs_RunDLL %1".
Return to the desktop and press F5 for the change to take effect.
This setting allows you to control whether the checkbox to save the "Open With" program is available when an unknown file type is opened.
HKEY_CLASSES_ROOT\Unknown\shell\openas\command
To enable the checkbox set the (Default) value to "rundll32.exe shell32.dll,OpenAs_RunDLL %1".
Return to the desktop and press F5 for the change to take effect.
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