public static string ToRenderString(this KeyedValue kv) { if (kv != null) { return($"{kv.Key.ToStringOrDefault()} :: {kv.Value}"); } else { return("[null]"); } }
/// <summary> /// Removes the exit menu item if it exists. /// </summary> public bool RemoveExitMenuItem() { var success = false; if (_exitKeyedMenuItem != null) { success = RemoveMenuItem(_exitKeyedMenuItem.Key); } _exitKeyedMenuItem = null; return(success); }
/// <summary> /// Adds the exit menu item or replaces it if it already exists. /// </summary> public bool SetExitMenuItem(string exitText, string exitKey) { // Exclude any existing exit menu item. RemoveExitMenuItem(); // Attempt to add the new item. var keyedMenuItem = new KeyedValue <MenuItem>(exitKey, new MenuItem(exitText, () => Task.FromResult(false))); var success = AddMenuItem(keyedMenuItem, false); if (success) { _exitKeyedMenuItem = keyedMenuItem; } return(success); }
/// <summary> /// Attempts to add a menu item to the menu. /// </summary> private bool AddMenuItem(KeyedValue <MenuItem> keyedMenuItem, bool addToList) { try { _menuItemsByKey.Add(keyedMenuItem.Key, keyedMenuItem.Value); if (addToList) { _keyedMenuItems.Add(keyedMenuItem); } return(true); } catch { return(false); } }
public bool MoveNext() { var kdv = this.CurrentValue; if (kdv == null) { if (!this.InternalEnumerator.MoveNext()) { return(false); } kdv = this.InternalEnumerator.Current.Value; this.Current = new KeyValuePair <string, TValue>(kdv.Key, kdv.Value); this.CurrentValue = kdv.Next; return(true); } this.Current = new KeyValuePair <string, TValue>(kdv.Key, kdv.Value); this.CurrentValue = kdv.Next; return(true); }
static string getAttribute(KeyedValue keyedValue) => $"{keyedValue.Key}=\"{keyedValue.Text}\"";
public void Reset() { this.InternalEnumerator.Reset(); this.Current = default; this.CurrentValue = null; }
public DefaultKeyedValueDataset(KeyedValue data) { DefaultKeyedValueDataset keyedValueDataset = this; this.data = data; }