ssis_unzip_step1.cs

// Store the SSIS variables in local C# variables
string exeName = Dts.Variables["$Package::pPathTo7zip"].Value.ToString();
string src = Dts.Variables["$Package::pSource"].Value.ToString();
string dst = Dts.Variables["$Package::pDest"].Value.ToString();

// Create args string
string args = " -y";                                // Answer Y to any prompt
args += " x";                                       // Extract
args += " " + "\"" + src + "\" -o\"" + dst + "\"";  // Set source and dest

// Variable to capture exception message if any
string exceptionTxt = "";