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I am developing console application in .Net and I want to change a behavior a little based on information that application was started from cmd.exe or from explorer.exe. Is it possible?
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A much quicker method to check a running process by ID is to use native API OpenProcess(). If return handle is 0, the process doesn't exist. If handle is different than 0, the process is running.
Task Manager can be opened in a number of ways, but the simplest is to select Ctrl+Alt+Delete, and then select Task Manager. In Windows, first click More details to expand the information displayed. From the Processes tab, select Details to see the process ID listed in the PID column. Click on any column name to sort.
Count() > 1; This works for any application (any name) and will become true if there is another instance running of the same application.
Start(String)Starts a process resource by specifying the name of a document or application file and associates the resource with a new Process component. public: static System::Diagnostics::Process ^ Start(System::String ^ fileName); C# Copy.
Process this_process = Process.GetCurrentProcess();
int parent_pid = 0;
using (ManagementObject MgmtObj = new ManagementObject("win32_process.handle='" + this_process.Id.ToString() + "'"))
{
MgmtObj.Get();
parent_pid = Convert.ToInt32(MgmtObj["ParentProcessId"]);
}
string parent_process_name = Process.GetProcessById(parent_pid).ProcessName;
The CreateToolhelp32Snapshot Function has a Process32First method that will allow you to read a PROCESSENTRY32 Structure. The structure has a property that will get you the information you want:
th32ParentProcessID - The identifier of the process that created this process (its parent process).
This article will help you get started using the ToolHelpSnapshot function:
http://www.codeproject.com/KB/cs/IsApplicationRunning.aspx
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