private bool PresetFilter(Preset preset) { if (SelectedTreeNode != null) { return(SelectedTreeNode.IsEqualOrBelow(preset.PresetBank)); } return(true); }
private async Task OnDeleteBankCommandExecute() { bool isEmpty = true; foreach (var preset in Plugin.Presets) { if (SelectedTreeNode.IsEqualOrBelow(preset.PresetBank)) { isEmpty = false; break; } } if (!isEmpty) { await _messageService.ShowErrorAsync( "Cannot delete a preset bank which contains presets. Please move the affected presets to another bank prior deleting.", "Cannot delete preset bank"); } else { SelectedTreeNode.ParentBank.PresetBanks.Remove(SelectedTreeNode); } }