I want to catch an exception in opening Serial Port.
I have a line in my DLL code as -
SerialPort.Open();
For this line i want to catch a exception using try...catch() & i want to pop up a dialog box (MessageBox)...Thisline is in DLL so how i can pop up a MesageBox from a DLL is it Possible...
Yes it's totally possible (just reference System.Windows.Forms.dll). Whether it's a good thing for a class library to report errors using message boxes is another question. I wouldn't recommend doing it. Let the UI application handle reporting errors to the user instead.
