Deletes a named value data item for the specified subkey from the registry.
RegDelValue(handle, subkey-string [,view-flag])
(i) handle handle to a registration database key.
(s) subkey-string a path from the key provided to the desired key, including the "data item name" in square brackets at the end of the key string.
(i) view-flag [optional] controls which registry view the function uses when accessing the Windows registry.
0 - view indicated by the last call to the RegOpenFlags.
32 - use the 32-bit registry view.
64 - use the 64-bit registry view.
(i) @TRUE Data item was deleted.; @FALSE Data was not found.
The "data item name" in the Subkey-string must be enclosed in square brackets (see RegSetValue). Use "[]" for the data item name to delete the "default" value.
View-flag
This optional parameter controls which registry view the function uses when accessing the Windows registry. The optional parameter's values can be 32 to use the 32-bit view, 64 to use the 64-bit view, or 0 to use the view indicated by the last call to the RegOpenFlags. The parameter value of 0 can also causes a function to use the WinBatch default 64-bit view, if no call to RegOpenFlags has been made and setting the parameter to 0 is equivalent to omitting the parameter entirely.
Notes:
Using the 32 or 64 values cause these functions to error if a function's subkey parameter contains the string 'wow6432node'.
Setting the parameter to one of the valid values has no effect when running on 32-bit Windows.
;To turn Sounds ON in the case Sounds was disabled.
ErrorMode(@OFF)
RegDelValue(@REGMACHINE, "SOFTWARE\Wilson WindowWare\Settings\WWWBATCH\MAIN[SOUNDS]")
ErrorMode(@CANCEL)
Message("Sounds", "Sound Settings - Sounds is on.")
RegOpenKey, RegCreateKey, RegCloseKey, RegDeleteKey, RegSetValue, RegQueryValue, RegQueryValue, and the section on Registration Database Operations