private void Button(string obj)
{
if (TextLabel == "Skriv någe")
{
TextLabel = obj;
}
if (!TextLabel.Contains(obj))
{
TextLabel += " " + obj;
}
originator.SetState(TextLabel);
caretaker.Do(originator);
RefreshCanExcecute();
}
public StartPageViewModel()
{
TextLabel = "Skriv någe";
originator.SetState(TextLabel);
caretaker.Do(originator);
ButtonCommand = new Command <string>(
execute: Button,
canExecute: obj =>
{
if (!TextLabel.Contains(obj))
{
return(true);
}
else
{
return(false);
}
});
UndoCommand = new Command <string>(execute: Undo, canExecute: obj => { return(true); });
RedoCommand = new Command <string>(execute: Redo, canExecute: obj => { return(true); });
}