public DelegateCommand <TParameter> CreateCommand <TCommandType>()
where TCommandType : class, ICommand <TParameter>
{
TCommandType cmd = Activator.CreateInstance(typeof(TCommandType)) as TCommandType;
return(new DelegateCommand <TParameter>(p => cmd.Execute(p), p => cmd.CanExecute(p)));
}
public DelegateCommand <TParameter> CreateCommand <TCommandType>(params object[] args) where TCommandType : class, ICommand <TParameter>
{
TCommandType cmd = Activator.CreateInstance(typeof(TCommandType), args) as TCommandType;
DelegateCommand <TParameter> delegateCommand = new DelegateCommand <TParameter>(p => cmd.Execute(p), p => cmd.CanExecute(p));
INotifyParametersChangedCommand notifyParametersChangedCommand = cmd as INotifyParametersChangedCommand;
if (notifyParametersChangedCommand != null)
{
WeakEventManager <INotifyParametersChangedCommand, EventArgs> .AddHandler(notifyParametersChangedCommand, nameof(notifyParametersChangedCommand.ParametersChanged), (sender, eventArgs) => delegateCommand.RaiseCanExecuteChanged());
}
return(delegateCommand);
}