/// <summary>Implements the Exec method of the IDTCommandTarget interface. This is called when the command is invoked.</summary>
/// <param name='commandName'>The name of the command to execute.</param>
/// <param name='executeOption'>Describes how the command should be run.</param>
/// <param name='varIn'>Parameters passed from the caller to the command handler.</param>
/// <param name='varOut'>Parameters passed from the command handler to the caller.</param>
/// <param name='handled'>Informs the caller if the command was handled or not.</param>
/// <seealso class='Exec' />
public void Exec(string commandName, vsCommandExecOption executeOption, ref object varIn, ref object varOut, ref bool handled)
{
handled = false;
if (executeOption == vsCommandExecOption.vsCommandExecOptionDoDefault)
{
if (commandName == HideSourceCommandName)
{
handled = true;
var doc = _applicationObject.ActiveDocument;
if (doc == null)
{
return;
}
string lineComment = GetLineComment(doc.Language);
if (lineComment == null)
{
return;
}
TextDocument textDoc = (TextDocument)doc.Object("TextDocument");
if (textDoc == null)
{
return;
}
var startEditPoint = textDoc.StartPoint.CreateEditPoint();
string text = startEditPoint.GetText(textDoc.EndPoint);
// TODO: Read key and IV from settings
byte[] key = new byte[] { };
byte[] iv = new byte[] { };
string newText = TextHelper.EncryptOrDecryptText(text, lineComment, key, iv);
if (!newText.Equals(text))
{
textDoc.Selection.Cancel();
textDoc.ClearBookmarks();
startEditPoint.Delete(textDoc.EndPoint);
startEditPoint.Insert(newText);
}
}
}
}
