It's A bug hider because you never know that the exception was thrown. So your program doesn't work and you hayat't figure out why. CameronCameron 97.3k2626 gold badges200200 silver badges227227 bronze badges 7 Why start the timer before setting the autoreset and call back? timer.Enabled=true should be the last thing https://uyduayarmontaj98630.blogcudinti.com/25548708/timer-c-stop-için-5-İkinci-trick