/// <summary>Creates a SID for predefined aliases.</summary>
/// <param name="WellKnownSidType">Member of the WELL_KNOWN_SID_TYPE enumeration that specifies what the SID will identify.</param>
/// <param name="DomainSid">
/// A pointer to a SID that identifies the domain to use when creating the SID. Pass <c>PSID.NULL</c> to use the local computer.
/// </param>
/// <returns>A <see cref="SafePSID"/> instance.</returns>
public static SafePSID CreateWellKnown(WELL_KNOWN_SID_TYPE sidType, PSID domainSid = default)
{
var sz = 0U;
CreateWellKnownSid(sidType, domainSid, Null, ref sz);
if (sz == 0)
{
Win32Error.ThrowLastError();
}
var newSid = new SafePSID((int)sz);
if (!CreateWellKnownSid(sidType, domainSid, newSid, ref sz))
{
Win32Error.ThrowLastError();
}
return(newSid);
}
public static void RegisterWaitChainCOMCallback()
{
using (var hLib = Kernel32.LoadLibrary(Lib.Ole32))
{
if (hLib.IsInvalid)
{
Win32Error.ThrowLastError();
}
var p1 = Kernel32.GetProcAddress(hLib, "CoGetCallState");
if (p1 == IntPtr.Zero)
{
Win32Error.ThrowLastError();
}
var p2 = Kernel32.GetProcAddress(hLib, "CoGetActivationState");
if (p2 == IntPtr.Zero)
{
Win32Error.ThrowLastError();
}
RegisterWaitChainCOMCallback(p1, p2);
}
}
/// <summary>Initializes a new instance of the <see cref="WindowClass"/> class and registers the class name.</summary>
/// <param name="className">
/// <para>
/// A string that specifies the window class name. The class name can be any name registered with RegisterClass or RegisterClassEx,
/// or any of the predefined control-class names.
/// </para>
/// <para>
/// The maximum length for <c>lpszClassName</c> is 256. If <c>lpszClassName</c> is greater than the maximum length, the
/// RegisterClassEx function will fail.
/// </para>
/// </param>
/// <param name="hInst">A handle to the instance that contains the window procedure for the class.</param>
/// <param name="wndProc">
/// A pointer to the window procedure. You must use the CallWindowProc function to call the window procedure. For more information,
/// see WindowProc.
/// </param>
/// <param name="styles">The class style(s). This member can be any combination of the Class Styles.</param>
/// <param name="hIcon">
/// A handle to the class icon. This member must be a handle to an icon resource. If this member is <c>NULL</c>, the system provides
/// a default icon.
/// </param>
/// <param name="hSmIcon">
/// A handle to a small icon that is associated with the window class. If this member is <c>NULL</c>, the system searches the icon
/// resource specified by the <c>hIcon</c> member for an icon of the appropriate size to use as the small icon.
/// </param>
/// <param name="hCursor">
/// A handle to the class cursor. This member must be a handle to a cursor resource. If this member is <c>NULL</c>, an application
/// must explicitly set the cursor shape whenever the mouse moves into the application's window.
/// </param>
/// <param name="hbrBkgd">
/// A handle to the class background brush. This member can be a handle to the brush to be used for painting the background, or it
/// can be a color value. A color value must be one of the following standard system colors (the value 1 must be added to the chosen color).
/// <para>
/// The system automatically deletes class background brushes when the class is unregistered by using <see cref="UnregisterClass"/>.
/// An application should not delete these brushes.
/// </para>
/// <para>
/// When this member is <c>NULL</c>, an application must paint its own background whenever it is requested to paint in its client
/// area. To determine whether the background must be painted, an application can either process the WM_ERASEBKGND message or test
/// the <c>fErase</c> member of the PAINTSTRUCT structure filled by the BeginPaint function.
/// </para>
/// </param>
/// <param name="menuName">
/// A string that specifies the resource name of the class menu, as the name appears in the resource file. If you use an integer to
/// identify the menu, use the MAKEINTRESOURCE macro. If this member is <c>NULL</c>, windows belonging to this class have no default menu.
/// </param>
/// <param name="extraBytes">
/// The number of extra bytes to allocate following the window-class structure. The system initializes the bytes to zero.
/// </param>
/// <param name="extraWinBytes">
/// The number of extra bytes to allocate following the window instance. The system initializes the bytes to zero. If an application
/// uses <c>WNDCLASSEX</c> to register a dialog box created by using the <c>CLASS</c> directive in the resource file, it must set
/// this member to <c>DLGWINDOWEXTRA</c>.
/// </param>
public WindowClass(string className, HINSTANCE hInst, WindowProc wndProc, WindowClassStyles styles = 0, HICON hIcon = default, HICON hSmIcon = default,
HCURSOR hCursor = default, HBRUSH hbrBkgd = default, string menuName = null, int extraBytes = 0, int extraWinBytes = 0)
{
// TODO: Find way to hold on to wndProc ref
wc = new WNDCLASSEX
{
cbSize = (uint)Marshal.SizeOf(typeof(WNDCLASSEX)),
lpfnWndProc = wndProc,
hInstance = hInst,
lpszClassName = className,
style = styles,
hIcon = hIcon,
hIconSm = hSmIcon,
hCursor = hCursor,
hbrBackground = hbrBkgd,
lpszMenuName = menuName,
cbClsExtra = extraBytes,
cbWndExtra = extraWinBytes,
};
Atom = Win32Error.ThrowLastErrorIfNull(Macros.MAKEINTATOM(RegisterClassEx(wc)));
}
public static bool QueryServiceConfig2 <T>(IntPtr hService, ServiceConfigOption dwInfoLevel, out T configInfo)
{
var b = QueryServiceConfig2(hService, dwInfoLevel, IntPtr.Zero, 0, out uint size);
configInfo = default(T);
if (!b && Win32Error.GetLastError() != Win32Error.ERROR_INSUFFICIENT_BUFFER)
{
return(false);
}
if (size < Marshal.SizeOf(typeof(T)))
{
throw new ArgumentException("Type mismatch", nameof(configInfo));
}
using (var buf = new SafeHGlobalHandle((int)size))
{
if (!QueryServiceConfig2(hService, dwInfoLevel, (IntPtr)buf, size, out size))
{
return(false);
}
configInfo = buf.ToStructure <T>();
}
return(true);
}
/// <summary>Converts a bool to a Win32Error.</summary> /// <param name="result">Result state.</param> /// <returns>Resulting error or <see cref="Win32Error.ERROR_SUCCESS"/> on success.</returns> public static Win32Error BoolToLastErr(bool result) => result ? Win32Error.ERROR_SUCCESS : Win32Error.GetLastError();
public static extern Win32Error DavGetExtendedError(HANDLE hFile, out Win32Error ExtError, StringBuilder ExtErrorString, ref uint cChSize);
public static extern Win32Error CredUICmdLinePromptForCredentials([In, Optional] string pszTargetName, IntPtr pContext, Win32Error dwAuthError, StringBuilder UserName, uint ulUserBufferSize,
StringBuilder pszPassword, uint ulPasswordBufferSize, [MarshalAs(UnmanagedType.Bool)] ref bool pfSave, CredentialsDialogOptions dwFlags);
// register the COM local server for the current running module this is for self registering applications public static HRESULT HRESULT_FROM_WIN32(Win32Error err) => err.ToHRESULT();
