windows-vista

Detect if running as Administrator with or without elevated privileges?

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Try this out: using Microsoft.Win32; using System; using System.Diagnostics; using System.Runtime.InteropServices; using System.Security.Principal; public static class UacHelper { private const string uacRegistryKey = “Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System”; private const string uacRegistryValue = “EnableLUA”; private static uint STANDARD_RIGHTS_READ = 0x00020000; private static uint TOKEN_QUERY = 0x0008; private static uint TOKEN_READ = (STANDARD_RIGHTS_READ | TOKEN_QUERY); [DllImport(“advapi32.dll”, SetLastError = true)] [return: … Read more

Launching an application (.EXE) from C#?

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Here’s a snippet of helpful code: using System.Diagnostics; // Prepare the process to run ProcessStartInfo start = new ProcessStartInfo(); // Enter in the command line arguments, everything you would enter after the executable name itself start.Arguments = arguments; // Enter the executable to run, including the complete path start.FileName = ExeName; // Do you want … Read more

Maximum filename length in NTFS (Windows XP and Windows Vista)?

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Individual components of a filename (i.e. each subdirectory along the path, and the final filename) are limited to 255 characters, and the total path length is limited to approximately 32,000 characters. However, on Windows, you can’t exceed MAX_PATH value (259 characters for files, 248 for folders). See http://msdn.microsoft.com/en-us/library/aa365247.aspx for full details.

Request UAC elevation from within a Python script?

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As of 2017, an easy method to achieve this is the following: import ctypes, sys def is_admin(): try: return ctypes.windll.shell32.IsUserAnAdmin() except: return False if is_admin(): # Code of your program here else: # Re-run the program with admin rights ctypes.windll.shell32.ShellExecuteW(None, “runas”, sys.executable, ” “.join(sys.argv), None, 1) If you are using Python 2.x, then you should … Read more

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