public static GlobalCommand <T> GetInstance(Action <T> execute, Predicate <T> canExecute)
{
lock (locker)
{
if (_globalCommand == null)
{
_globalCommand = new GlobalCommand <T>(execute, canExecute);
}
}
return(_globalCommand);
}
public ViewModel()
{
Categories = new ObservableCollection <Category>()
{
new Category()
{
Id = 1, Name = "Cat1", Description = "This is Cat1 Desc"
},
new Category()
{
Id = 1, Name = "Cat2", Description = "This is Cat2 Desc"
},
new Category()
{
Id = 1, Name = "Cat3", Description = "This is Cat3 Desc"
},
new Category()
{
Id = 1, Name = "Cat4", Description = "This is Cat4 Desc"
}
};
this.AddRowCommand = GlobalCommand <object> .GetInstance(ExecuteAddRowCommand, CanExecuteAddRowCommand);
}
private void Delete_Click(object sender, RoutedEventArgs e)
{
GlobalCommand <object> .GetInstance(null).Execute(null); // I'm not quite happy with this but it works
}
