/// <summary>
/// Gets a boolean value indicating whether the access to a process using the AllAccess flag is denied or not.
/// </summary>
/// <param name="pid">The process ID of the process</param>
/// <returns>True if denied and false if not.</returns>
private static bool TestProcessAccessUsingAllAccessFlag(uint pid)
{
IntPtr processHandle = NativeMethods.OpenProcess(ProcessAccessFlags.AllAccess, true, (int)pid);
if (Win32Helpers.GetLastError() == 5)
{
// Error 5 = ERROR_ACCESS_DENIED
_ = Win32Helpers.CloseHandleIfNotNull(processHandle);
return(true);
}
else
{
_ = Win32Helpers.CloseHandleIfNotNull(processHandle);
return(false);
}
}
/// <summary>
/// Gets the process name for the process ID
/// </summary>
/// <param name="pid">The id of the process/param>
/// <returns>A string representing the process name or an empty string if the function fails</returns>
internal static string GetProcessNameFromProcessID(uint pid)
{
IntPtr processHandle = NativeMethods.OpenProcess(ProcessAccessFlags.QueryLimitedInformation, true, (int)pid);
StringBuilder processName = new StringBuilder(MaximumFileNameLength);
if (NativeMethods.GetProcessImageFileName(processHandle, processName, MaximumFileNameLength) != 0)
{
_ = Win32Helpers.CloseHandleIfNotNull(processHandle);
return(processName.ToString().Split('\\').Reverse().ToArray()[0]);
}
else
{
_ = Win32Helpers.CloseHandleIfNotNull(processHandle);
return(string.Empty);
}
}
