winqueryreg - Item from Windows registry - MATLAB (original) (raw)

Main Content

Item from Windows registry

Syntax

Description

[valnames](#d126e2008187) = winqueryreg('name',[rootkey](#d126e2008120),[subkey](#d126e2008142)) returns all value names in`rootkey`\`subkey` of Microsoft® Windows® operating system registry. The first argument is the literal, quoted, case-sensitive string or character vector 'name'.

[value](#d126e2008204) = winqueryreg([rootkey](#d126e2008120),[subkey](#d126e2008142),[valname](#d126e2008164)) returns the value for valname in`rootkey`\`subkey`.

[value](#d126e2008204) = winqueryreg([rootkey](#d126e2008120),[subkey](#d126e2008142)) returns a value in`rootkey`\`subkey` that has no value name property.

Input Arguments

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Root key name, specified as a case-sensitive string or character vector.

Example: 'HKEY_CLASSES_ROOT'

Subkey name, specified as a string or a character vector. The value is not case-sensitive.

Example: 'control panel\mouse'

Name of value, specified as a string or a character vector. The name is not case-sensitive.

Output Arguments

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Value names, specified as a cell array of character vectors.

Value of specified name, specified as a character vector if the value retrieved from the registry is a registry string value. If the value is a 32-bit integer, winqueryreg returns the value as an integer of the MATLAB® type int32.

Limitations

• This function works for the following registry value types only:
  • strings (REG_SZ)
  • expanded strings (REG_EXPAND_SZ)
  • 32-bit integer (REG_DWORD)

Version History

Introduced before R2006a

See Also