internal static ICommand CreateOnceCommand(ref DelegateCommand command, Action executeMethod, Func <bool> canExecuteMethod, string name)
{
if (command == null)
{
if (executeMethod == null)
{
throw new ArgumentNullException("executeMethod");
}
if (string.IsNullOrEmpty(name))
{
name = executeMethod.Method.Name;
}
DelegateCommand.FuncExecute execute =
delegate
{
executeMethod();
};
DelegateCommand.FuncCanExecute canExecute = null;
if (canExecuteMethod != null)
{
canExecute = delegate(object parameter)
{
return(canExecuteMethod());
};
}
command = new DelegateCommand(execute, canExecute, false, name);
}
return(command);
}
internal static ICommand CreateOnceCommand(ref DelegateCommand command, DelegateCommand.FuncExecute execute, DelegateCommand.FuncCanExecute canExecute, string name)
{
if (command == null)
{
command = new DelegateCommand(execute, canExecute, false, name);
}
return(command);
}
internal static ICommand CreateOnceCommand(ref DelegateCommand command, DelegateCommand.FuncExecute execute, DelegateCommand.FuncCanExecute canExecute)
{
return(CreateOnceCommand(ref command, execute, canExecute, null));
}
