/// <summary>
/// Implements the QueryStatus method of the IDTCommandTarget interface.
/// This is called when the command's availability is updated
/// </summary>
/// <param term='commandName'>
/// The name of the command to determine state for.
/// </param>
/// <param term='neededText'>
/// Text that is needed for the command.
/// </param>
/// <param term='status'>
/// The state of the command in the user interface.
/// </param>
/// <param term='commandText'>
/// Text requested by the neededText parameter.
/// </param>
/// <seealso class='Exec' />
public void QueryStatus(string commandName, EnvDTE.vsCommandStatusTextWanted neededText, ref EnvDTE.vsCommandStatus status, ref object commandText)
{
IAddInCommand currentCommand = GetAddIn(commandName);
if (currentCommand == null)
{
return;
}
currentCommand.QueryStatus(ref status);
switch (neededText)
{
case EnvDTE.vsCommandStatusTextWanted.vsCommandStatusTextWantedName:
commandText = currentCommand.commandName;
break;
case EnvDTE.vsCommandStatusTextWanted.vsCommandStatusTextWantedStatus:
// CONSIDER: what does this do?
break;
default:
break;
}
}
/// <summary>
/// If available, this command takes a fully-qualified AddIn command name and returns
/// its implementation object.
/// </summary>
/// <param name="commandName"> A full ProgID.CommandName string, as passed by the Shell to QueryStatus & Exec </param>
private IAddInCommand GetAddIn(string commandName)
{
string strPrefix = m_strProgID + ".";
string strCurrent = null;
IAddInCommand command = null;
foreach (IAddInCommand currCommand in m_Commands)
{
strCurrent = strPrefix + currCommand.commandName;
if (System.String.Compare(strCurrent, commandName, true) == 0)
{
command = currCommand;
break;
}
}
return(command);
}
/// <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, EnvDTE.vsCommandExecOption executeOption, ref object varIn, ref object varOut, ref bool handled)
{
handled = false;
IAddInCommand currentCommand = GetAddIn(commandName);
if (currentCommand == null)
{
return;
}
try
{
currentCommand.Exec(executeOption, ref varIn, ref varOut);
handled = true;
}
catch (System.Exception /*e*/)
{
}
}