static extern int MsiSetProperty(IntPtr hInstall, string szName, string szValue);

[DllImport("Wlanapi.dll", EntryPoint = "WlanHostedNetworkSetProperty")]

public static extern uint WlanHostedNetworkSetProperty(

Declare Function WlanHostedNetworkSetProperty Lib "wlanapi.dll" (TODO) As TODO

    void SetProperties ( [In, MarshalAs ( UnmanagedType.Interface )] IntPtr pStore );

    void SetPropertyStream(

/// <para>The return value is the hData value that was passed to SetProp; it is an application-defined value. Note, this function only destroys the association between the data and the window. If appropriate, the application must free the data handles associated with entries removed from a property list. The application can remove only those properties it has added. It must not remove properties added by other applications or by the system itself.</para>

/// The SetProp function adds a new entry or changes an existing entry in the property list of the specified window. The function adds a new entry to the list if the specified character string does not exist already in the list. The new entry contains the string and the handle. Otherwise, the function replaces the string's current handle with the specified handle.

/// <para>Windows 95/98/Me: SetPropW is supported by the Microsoft Layer for Unicode (MSLU). SetPropA is also supported to provide more consistent behavior across all Microsoft Windows operating systems. To use this, you must add certain files to your application, as outlined in Microsoft Layer for Unicode on Windows 95/98/Me Systems.</para>

/// <para>Windows Vista: SetProp is subject to the restrictions of User Interface Privilege Isolation (UIPI). A process can only call this function on a window belonging to a process of lesser or equal integrity level. When UIPI blocks property changes, GetLastError will return 5.</para>

static extern bool SetProp(IntPtr hWnd, string lpString, IntPtr hData);

    static extern int NCryptSetProperty(

    internal static extern int NCryptSetProperty(IntPtr hObject,

Declare Function NCryptSetProperty Lib "ncrypt.dll" (TODO) As TODO