private int ExecuteCommand(
ICommand TargetCommand,
string[] Arguments,
bool bWaitIfNeeded)
{
if ( TargetCommand is ISingleInstanceCommand )
{
bool bAllowExecute = Monitor.TryEnter( TargetCommand.GetType(), bWaitIfNeeded ? Timeout.Infinite : 0 );
if ( ! bAllowExecute )
{
CommandException ExecutionError = new CommandException();
throw ExecutionError;
}
}
int CommandStatus;
System.Exception ProcessError = null;
SetInputMode( InputMode.Redirected );
_CommandList.Add( TargetCommand );
CommandArgument[] commandArguments = GenerateArguments( Arguments );
try
{
ICommandResult commandResult;
CommandStatus = TargetCommand.PerformCommand( commandArguments, out commandResult );
}
catch ( System.Exception ProcessException)
{
CommandStatus = 0;
ProcessError = ProcessException;
}
bool bRequiresParent = false;
bool bExternal = false;
try
{
bRequiresParent = TargetCommand.RequiresParentTerminal();
}
catch
{
}
if ( TargetCommand is ExternalCommand )
{
bExternal = true;
if ( ! bRequiresParent )
{
( (ExternalCommand) TargetCommand ).Disconnect();
}
}
if ( ! bExternal ||
! bRequiresParent )
{
_CommandList.Remove( TargetCommand );
}
if ( ! bRequiresParent )
{
SetInputMode( InputMode.Native );
}
if ( TargetCommand is ISingleInstanceCommand )
{
Monitor.Exit( TargetCommand.GetType() );
}
if ( null != ProcessError )
{
throw ProcessError;
}
return CommandStatus;
}
