windows-services

i have small doubt regarding the window functions in c++. what exactly "invalidate()" function do? what message does it sends?when we need to call this? also what is "update()" function? is "invalidaterect()" works similar to "invalidate()" function?. Thanks CWnd::Invalidate() invalidates the entire client area of a window, which indicates that the area is out of date, and should be repainted. You would typically call this on a control that needs to be redrawn. CWnd::InvalidateRect() invalidates only part of the window. With the Invalidate functions, the WM_PAINT message will posted [ not

I have a windows service and I need to create directory to store some info. The directory path must be relative to the windows service exe file. How can get this exe file path ? You can use AppDomain.CurrentDomain.BaseDirectory Tip: If you want to find startup path of installed windows service, look here from registry . HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\ + ServiceName There are keys about windows service To get path for service you can use Management object. ref: https://msdn.microsoft.com/en-us/library/system.management.managementobject(v=vs.110).aspx http://dotnetstep

I would like to update a dll for a server process without stopping the service. How do I do that? A bit like how asp.net automatically picks up new dlls placed in the bin folder. Asp.Net uses a technique called shadow copy If you copy an updated dll into an application’s bin subdirectory, the ASP.NET runtime recognizes there is new code to execute. Since ASP.NET cannot swap the dll into the existing AppDomain , it starts a new AppDomain. The old application domain is “drain stopped”, that is, existing requests are allowed to finish executing, and once they are all finished the AppDomain can

I want to create a Windows Service using Powershell. Creating it for a given user is piece of cake. I used this function adapted from here . function ReinstallService1 ($serviceName, $binaryPath, $login, $pass) { Write-Host "installing service" # creating credentials which can be used to run my windows service $secpasswd = ConvertTo-SecureString $pass -AsPlainText -Force $mycreds = New-Object System.Management.Automation.PSCredential ($login, $secpasswd) # creating widnows service using all provided parameters New-Service -name $serviceName -binaryPathName $binaryPath -displayName $serviceName