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RegCreateKeyEx (Advapi32)
Create or open a registry key

C# Signature:

[DllImport("advapi32.dll", SetLastError=false)]
static extern int RegCreateKeyEx(
            IntPtr hKey,
            string lpSubKey,
            IntPtr Reserved,
            string lpClass,
            RegOption dwOptions,
            RegSAM samDesired,
            ref SECURITY_ATTRIBUTES lpSecurityAttributes,
            out IntPtr phkResult,
            out RegResult lpdwDisposition);

VB Signature:

    <DllImport("advapi32.dll", SetLastError:=False)> _
    Public Function RegCreateKeyEx( _
        ByVal hKey As Integer, _
        ByVal lpSubKey As String, _
        ByVal Reserved As Integer, _
        ByVal lpClass As String, _
        ByVal dwOptions As RegOption, _
        ByVal samDesired As RegSAM, _
        ByRef lpSecurityAttributes As SECURITY_ATTRIBUTES, _
        ByRef phkResult As Integer, _
        ByRef lpdwDisposition As RegResult) As Integer
    NOT EXECUTABLE!!! PLEASE USE "Microsoft.Win32.Registry" and "Microsoft.Win32.RegistryKey"

User-Defined Types:

    public enum RegOption
        NonVolatile = 0x0,
        Volatile = 0x1,
        CreateLink = 0x2,
        BackupRestore = 0x4,
        OpenLink = 0x8

    public enum RegSAM
        QueryValue = 0x0001,
        SetValue = 0x0002,
        CreateSubKey = 0x0004,
        EnumerateSubKeys = 0x0008,
        Notify = 0x0010,
        CreateLink = 0x0020,
        WOW64_32Key = 0x0200,
        WOW64_64Key = 0x0100,
        WOW64_Res = 0x0300,
        Read = 0x00020019,
        Write = 0x00020006,
        Execute = 0x00020019,
        AllAccess = 0x000f003f

    public enum RegResult
        CreatedNewKey = 0x00000001,
        OpenedExistingKey = 0x00000002

Alternative Managed API:




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