[<del-registry-section>] <reg-root-string>, <subkey>, [<value-name>] [<reg-root-string>, <subkey>, [<value-name>]] . . .
Deletes a subkey or value name from the registry. The del-registry-section name must appear in an DelReg item in an Install section.
reg-root-string
Registry root name. Can be one of these values:
HKCR | Same as HKEY_CLASSES_ROOT |
HKCU | Same as HKEY_CURRENT_USER |
HKLM | Same as HKEY_LOCAL_MACHINE |
HKU | Same as HKEY_USERS. |
HKR | Means relative from the Key passed into GenInstallEx |
subkey
Identifies the subkey to delete. Has the form key1\key2\key3... This parameter can be expressed as a replaceable string. For example, you could use %Subkey1% where the string to replace %Subkey1% is defined in the Strings section of the INF file.
value-name
Optional. Identifies the value name for the subkey. Note that the value-name parameter can be expressed as a replaceable string. For example, you could use %Valname1% where the string to replace %Valname1% is defined in the Strings section of the INF file.
This type of section can contain any number of items. Each item deletes one subkey or value name from the registry.