public ShellItem()
{
_rootItem = this;
try
{
// create a PIDL for the Desktop shell item.
_pidl = new Pidl(Environment.SpecialFolder.Desktop);
var shInfo = new Native.SHFILEINFO();
Native.Shell32.SHGetFileInfo((IntPtr) _pidl, 0, out shInfo, (uint) Marshal.SizeOf(shInfo), SHGFI.SHGFI_PIDL | SHGFI.SHGFI_DISPLAYNAME | SHGFI.SHGFI_SYSICONINDEX);
// get the root IShellFolder interface
int hResult = Native.Shell32.SHGetDesktopFolder(ref _shellFolder);
if (hResult != 0)
Marshal.ThrowExceptionForHR(hResult);
_displayName = shInfo.szDisplayName;
_typeName = string.Empty;
_iconIndex = shInfo.iIcon;
_isFolder = true;
_isVirtual = true;
_hasSubFolders = true;
}
catch (Exception ex)
{
// if an exception happens during construction, we must release the PIDL now (remember, it's a pointer!)
if (_pidl != null)
_pidl.Dispose();
throw new Exception("Creation of the root namespace shell item failed.", ex);
}
#if DEBUG
_instanceCount++;
#endif
}
/// <summary>
/// Runs/opens a program, document, directory (folder), URL, new email, Control Panel item etc.
/// The returned <see cref="RResult"/> variable contains some process info - process id etc.
/// </summary>
/// <param name="file">
/// Examples:
/// - <c>@"C:\file.txt"</c>
/// - <c>folders.Documents</c>
/// - <c>folders.System + "notepad.exe"</c>
/// - <c>@"%folders.System%\notepad.exe"</c>
/// - <c>@"%TMP%\file.txt"</c>
/// - <c>"notepad.exe"</c>
/// - <c>@"..\folder\x.exe"</c>
/// - <c>"http://a.b.c/d"</c>
/// - <c>"file:///path"</c>
/// - <c>"mailto:[email protected]"</c>
/// - <c>":: ITEMIDLIST"</c>
/// - <c>@"shell:::{CLSID}"</c>
/// - <c>@"shell:AppsFolder\Microsoft.WindowsCalculator_8wekyb3d8bbwe!App"</c>.
/// More info in Remarks.
/// </param>
/// <param name="args">
/// Command line arguments.
/// This function expands environment variables if starts with <c>"%"</c> or <c>"\"%"</c>.
/// </param>
/// <param name="flags"></param>
/// <param name="dirEtc">
/// Allows to specify more parameters: current directory, verb, etc.
/// If string, it sets initial current directory for the new process. If "", gets it from <i>file</i>. More info: <see cref="ROptions.CurrentDirectory"/>.
/// </param>
/// <exception cref="ArgumentException">Used both <b>ROptions.Verb</b> and <b>RFlags.Admin</b> and this process isn't admin.</exception>
/// <exception cref="AuException">Failed. For example, the file does not exist.</exception>
/// <remarks>
/// It works like when you double-click a file icon. It may start new process or not. For example it may just activate window if the program is already running.
/// Uses API <msdn>ShellExecuteEx</msdn>.
/// Similar to <see cref="Process.Start(string, string)"/>.
///
/// The <i>file</i> parameter can be:
/// - Full path of a file or directory. Examples: <c>@"C:\file.txt"</c>, <c>folders.Documents</c>, <c>folders.System + "notepad.exe"</c>, <c>@"%folders.System%\notepad.exe"</c>.
/// - Filename of a file or directory, like <c>"notepad.exe"</c>. The function calls <see cref="filesystem.searchPath"/>.
/// - Path relative to <see cref="folders.ThisApp"/>. Examples: <c>"x.exe"</c>, <c>@"subfolder\x.exe"</c>, <c>@".\subfolder\x.exe"</c>, <c>@"..\another folder\x.exe"</c>.
/// - URL. Examples: <c>"https://www.example.com"</c>, <c>"file:///path"</c>.
/// - Email, like <c>"mailto:[email protected]"</c>. Subject, body etc also can be specified, and Google knows how.
/// - Shell object's ITEMIDLIST like <c>":: ITEMIDLIST"</c>. See <see cref="Pidl.ToHexString"/>, <see cref="folders.shell"/>. Can be used to open virtual folders and items like Control Panel.
/// - Shell object's parsing name, like <c>@"shell:::{CLSID}"</c> or <c>@"::{CLSID}"</c>. See <see cref="Pidl.ToShellString"/>. Can be used to open virtual folders and items like Control Panel.
/// - To run a Windows Store App, use <c>@"shell:AppsFolder\WinStoreAppId"</c> format. Examples: <c>@"shell:AppsFolder\Microsoft.WindowsCalculator_8wekyb3d8bbwe!App"</c>, <c>@"shell:AppsFolder\windows.immersivecontrolpanel_cw5n1h2txyewy!microsoft.windows.immersivecontrolpanel"</c>. To discover the string use hotkey Ctrl+Shift+Q or function <see cref="WndUtil.GetWindowsStoreAppId"/> or Google.
///
/// Supports environment variables, like <c>@"%TMP%\file.txt"</c>. See <see cref="pathname.expand"/>.
/// </remarks>
/// <seealso cref="wnd.find"/>
/// <seealso cref="wnd.findOrRun"/>
/// <seealso cref="wnd.runAndFind"/>
/// <example>
/// Run Notepad and wait for an active Notepad window.
/// <code><![CDATA[
/// run.it("notepad.exe");
/// 1.s();
/// wnd w = wnd.wait(10, true, "*- Notepad", "Notepad");
/// ]]></code>
/// Run Notepad or activate a Notepad window.
/// <code><![CDATA[
/// wnd w = wnd.findOrRun("*- Notepad", run: () => run.it("notepad.exe"));
/// ]]></code>
/// Run File Explorer and wait for new folder window. Ignores matching windows that already existed.
/// <code><![CDATA[
/// var w = wnd.runAndFind(
/// () => run.it(@"explorer.exe"),
/// 10, cn: "CabinetWClass");
/// ]]></code>
/// </example>
public static RResult it(string file, string args = null, RFlags flags = 0, ROptions dirEtc = null)
{
Api.SHELLEXECUTEINFO x = default;
x.cbSize = Api.SizeOf(x);
x.fMask = Api.SEE_MASK_NOZONECHECKS | Api.SEE_MASK_NOASYNC | Api.SEE_MASK_CONNECTNETDRV | Api.SEE_MASK_UNICODE;
x.nShow = Api.SW_SHOWNORMAL;
bool curDirFromFile = false;
var more = dirEtc;
if (more != null)
{
x.lpVerb = more.Verb;
if (x.lpVerb != null)
{
x.fMask |= Api.SEE_MASK_INVOKEIDLIST; //makes slower. But verbs are rarely used.
}
if (more.CurrentDirectory is string cd)
{
if (cd.Length == 0)
{
curDirFromFile = true;
}
else
{
cd = pathname.expand(cd);
}
x.lpDirectory = cd;
}
if (!more.OwnerWindow.IsEmpty)
{
x.hwnd = more.OwnerWindow.Hwnd.Window;
}
switch (more.WindowState)
{
case ProcessWindowStyle.Hidden: x.nShow = Api.SW_HIDE; break;
case ProcessWindowStyle.Minimized: x.nShow = Api.SW_SHOWMINIMIZED; break;
case ProcessWindowStyle.Maximized: x.nShow = Api.SW_SHOWMAXIMIZED; break;
}
x.fMask &= ~more.FlagsRemove;
x.fMask |= more.FlagsAdd;
}
if (flags.Has(RFlags.Admin))
{
if (x.lpVerb == null || x.lpVerb.Eqi("runas"))
{
x.lpVerb = "runas";
}
else if (!uacInfo.isAdmin)
{
throw new ArgumentException("Cannot use Verb with flag Admin, unless this process is admin");
}
}
file = _NormalizeFile(false, file, out bool isFullPath, out bool isShellPath);
Pidl pidl = null;
if (isShellPath) //":: ITEMIDLIST" or "::{CLSID}..." (we convert it too because the API does not support many)
{
pidl = Pidl.FromString(file); //does not throw
if (pidl != null)
{
x.lpIDList = pidl.UnsafePtr;
x.fMask |= Api.SEE_MASK_INVOKEIDLIST;
}
else
{
x.lpFile = file;
}
}
else
{
x.lpFile = file;
if (curDirFromFile && isFullPath)
{
x.lpDirectory = pathname.getDirectory(file);
}
}
x.lpDirectory ??= Directory.GetCurrentDirectory();
if (!args.NE())
{
x.lpParameters = pathname.expand(args);
}
if (0 == (flags & RFlags.ShowErrorUI))
{
x.fMask |= Api.SEE_MASK_FLAG_NO_UI;
}
if (0 == (flags & RFlags.WaitForExit))
{
x.fMask |= Api.SEE_MASK_NO_CONSOLE;
}
if (0 != (flags & RFlags.MostUsed))
{
x.fMask |= Api.SEE_MASK_FLAG_LOG_USAGE;
}
x.fMask |= Api.SEE_MASK_NOCLOSEPROCESS;
WndUtil.EnableActivate(-1);
bool waitForExit = 0 != (flags & RFlags.WaitForExit);
bool needHandle = flags.Has(RFlags.NeedProcessHandle);
bool ok = false; int pid = 0, errorCode = 0;
bool asUser = !flags.HasAny(RFlags.Admin | RFlags.InheritAdmin) && uacInfo.isAdmin; //info: new process does not inherit uiAccess
if (asUser)
{
ok = Cpp.Cpp_ShellExec(x, out pid, out int injectError, out int execError);
if (!ok)
{
if (injectError != 0)
{
print.warning("Failed to run as non-admin.");
asUser = false;
}
else
{
errorCode = execError;
}
}
}
if (!asUser)
{
ok = Api.ShellExecuteEx(ref x);
if (!ok)
{
errorCode = lastError.code;
}
}
pidl?.Dispose();
if (!ok)
{
throw new AuException(errorCode, $"*run '{file}'");
}
var R = new RResult();
WaitHandle_ ph = null;
if (needHandle || waitForExit)
{
if (pid != 0)
{
x.hProcess = Handle_.OpenProcess(pid, Api.PROCESS_ALL_ACCESS);
}
if (!x.hProcess.Is0)
{
ph = new WaitHandle_(x.hProcess, true);
}
}
if (!waitForExit)
{
if (pid != 0)
{
R.ProcessId = pid;
}
else if (!x.hProcess.Is0)
{
R.ProcessId = process.processIdFromHandle(x.hProcess);
}
}
try {
Api.AllowSetForegroundWindow();
if (x.lpVerb != null && Thread.CurrentThread.GetApartmentState() == ApartmentState.STA)
{
Thread.CurrentThread.Join(50); //need min 5-10 for file Properties. And not Sleep.
}
if (ph != null)
{
if (waitForExit)
{
ph.WaitOne();
if (Api.GetExitCodeProcess(x.hProcess, out var exitCode))
{
R.ProcessExitCode = exitCode;
}
}
if (needHandle)
{
R.ProcessHandle = ph;
}
}
}
finally {
if (R.ProcessHandle == null)
{
if (ph != null)
{
ph.Dispose();
}
else
{
x.hProcess.Dispose();
}
}
}
return(R);
//tested: works well in MTA thread.
//rejected: in QM2, run also has a 'window' parameter. However it just makes limited, unclear etc, and therefore rarely used. Instead use wnd.findOrRun or Find/Run/Wait like in the examples.
//rejected: in QM2, run also has 'autodelay'. Better don't add such hidden things. Let the script decide what to do.
}
