This example is a full API GUI interface which you can send and receive sms messages through the iSMS. It was written with Visual Studio Express C# 2010. Below are instructions on how to install the program "as is" without having to compile anything. Installing Receive API Program: 1. Unzip the "iSMS API GUI (11-19-13).zip" file. You will likely need to unzip it into a folder just off the C: drive to avoid long name problems. 2. Go to the folder that the file was unzipped and find the "\iSMS API GUI (11-19-13).zip\CS iSMS Receive API Non-Polling\publish" folder. 3. Run "Setup.exe". 4. Click Install.