C# Signature:

[DllImport("advapi32.dll", EntryPoint="RegQueryInfoKey", CallingConvention=CallingConvention.Winapi, SetLastError=true)]
extern private static int RegQueryInfoKey(
    UIntPtr hkey,
    out StringBuilder lpClass,
    ref uint lpcbClass,
    IntPtr lpReserved,
    out uint lpcSubKeys,
    out uint lpcbMaxSubKeyLen,
    out uint lpcbMaxClassLen,
    out uint lpcValues,
    out uint lpcbMaxValueNameLen,
    out uint lpcbMaxValueLen,
    out uint lpcbSecurityDescriptor,
    IntPtr lpftLastWriteTime);

VB Signature:

Declare Function RegQueryInfoKey Lib "advapi32.dll" (TODO) As TODO

User-Defined Types:

None.

Alternative Managed API:

Do you know one? Please contribute it!

Notes:

Beware both lpcbMaxSubKeyLen and lpcbMaxValueNameLen return the length of the longest SubKey/Value Name, in Unicode characters. However, the size does not include the terminating null character!

Tips & Tricks:

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Sample Code:

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