/// <summary>Implements the Exec method of the IDTCommandTarget interface. This is called when the command is invoked.</summary>
/// <param term='commandName'>The name of the command to execute.</param>
/// <param term='executeOption'>Describes how the command should be run.</param>
/// <param term='varIn'>Parameters passed from the caller to the command handler.</param>
/// <param term='varOut'>Parameters passed from the command handler to the caller.</param>
/// <param term='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)
{
//System.Windows.Forms.MessageBox.Show("exec");
handled = false;
if(executeOption == vsCommandExecOption.vsCommandExecOptionDoDefault && AcceptedCommand(commandName))
{
bool bForward = true;
if(commandName == "FileSwitch2008.Connect.PrevFile")
{
bForward = false;
}
Project fileproject = _addInInstance.DTE.ActiveDocument.ProjectItem.ContainingProject;
string fullname =_addInInstance.DTE.ActiveDocument.FullName;
FileGroup group = new FileGroup(fileproject, fullname.ToLower());
string newfile = bForward ? group.Next() : group.Prev();
_applicationObject.ItemOperations.OpenFile(newfile, Constants.vsViewKindCode);
handled = true;
return;
}
}