/// <summary> /// 根据DirectoryInfo数组更新控件listbox /// </summary> /// <param name="lb"></param> /// <param name="dir"></param> public static void UpdateByDirectoryInfos(ListBox lb, DirectoryInfo dir) { lb.BeginInit(); var it = new MyListBoxItem(dir.Name, MyIcons.folder); it.MyMessage = "目录路径:" + dir.FullName; lb.Items.Add(it); lb.EndInit(); }
/// <summary> /// 根据FileInfo数组更新控件listbox /// </summary> /// <param name="lb"></param> /// <param name="files"></param> public static void UpdateByFileInfos(ListBox lb, FileInfo[] files) { lb.BeginInit(); foreach (var i in files) { var it = new MyListBoxItem(i.Name, MyIcons.file); it.MyMessage = "所在路径:" + i.DirectoryName; lb.Items.Add(it); } lb.EndInit(); }
public void PopulateListBox(ListBox listBox) { listBox.BeginInit(); listBox.Items.Clear(); foreach (var item in MetricQuotas) { listBox.Items.Add(item.Key); } listBox.EndInit(); }
private static void FillListBoxWithAutogeneratedItems(string prefixText, ListBox listBox) { listBox.BeginInit(); listBox.Items.Clear(); for (int i = 0; i < 300; i++) { listBox.Items.Add(prefixText + i); } listBox.EndInit(); }
/// <summary> /// 由CurrentPath变量刷新listbox /// </summary> /// <param name="lb"></param> /// <param name="CurrentPath"></param> public static void FlushLBByCurrentPath(ListBox lb, string CurrentPath) { lb.BeginInit(); var list = CreatLBItemFromPath(CurrentPath); lb.Items.Clear(); foreach (var i in list) { lb.Items.Add(i); } lb.EndInit(); }
public void Setting_SelectedItem_Before_Initialize_Should_Retain() { var listBox = new ListBox { SelectionMode = SelectionMode.Single, Items = new[] { "foo", "bar", "baz" }, SelectedItem = "bar" }; listBox.BeginInit(); listBox.EndInit(); Assert.Equal(1, listBox.SelectedIndex); Assert.Equal("bar", listBox.SelectedItem); }
public void SelectedIndex_Should_Be_Minus_1_After_Initialize() { var items = new[] { new Item(), new Item(), }; var target = new ListBox(); target.BeginInit(); target.Items = items; target.Template = Template(); target.EndInit(); Assert.Equal(-1, target.SelectedIndex); }
public void Setting_SelectedIndex_During_Initialize_Should_Take_Priority_Over_Previous_Value() { var listBox = new ListBox { SelectionMode = SelectionMode.Single, Items = new[] { "foo", "bar", "baz" }, SelectedIndex = 2 }; listBox.BeginInit(); listBox.SelectedIndex = 1; listBox.EndInit(); Assert.Equal(1, listBox.SelectedIndex); Assert.Equal("bar", listBox.SelectedItem); }
public void SelectedIndex_Should_Be_0_After_Initialize_With_AlwaysSelected() { var items = new[] { new Item(), new Item(), }; var target = new ListBox(); target.BeginInit(); target.SelectionMode = SelectionMode.Single | SelectionMode.AlwaysSelected; target.Items = items; target.Template = Template(); target.EndInit(); Assert.Equal(0, target.SelectedIndex); }
public void Can_Set_Both_SelectedItem_And_SelectedItems_During_Initialization() { // Issue #2969. var target = new ListBox(); var selectedItems = new List <object>(); target.BeginInit(); target.Template = Template(); target.Items = new[] { "Foo", "Bar", "Baz" }; target.SelectedItems = selectedItems; target.SelectedItem = "Bar"; target.EndInit(); Assert.Equal("Bar", target.SelectedItem); Assert.Equal(1, target.SelectedIndex); Assert.Same(selectedItems, target.SelectedItems); Assert.Equal(new[] { "Bar" }, selectedItems); }
public void Binding_With_DelayedBinding_And_Initialization_Where_DataContext_Is_Root_Works() { // Test for #1932. var root = new RootWithItems(); root.BeginInit(); root.DataContext = root; var target = new ListBox(); target.BeginInit(); root.Child = target; DelayedBinding.Add(target, ItemsControl.ItemsProperty, new Binding(nameof(RootWithItems.Items))); DelayedBinding.Add(target, ListBox.SelectedItemProperty, new Binding(nameof(RootWithItems.Selected))); target.EndInit(); root.EndInit(); Assert.Equal("b", target.SelectedItem); }
public void Setting_SelectedItems_Before_Initialize_Should_Retain() { var listBox = new ListBox { SelectionMode = SelectionMode.Multiple, Items = new[] { "foo", "bar", "baz" }, }; var selected = new[] { "foo", "bar" }; foreach (var v in selected) { listBox.SelectedItems.Add(v); } listBox.BeginInit(); listBox.EndInit(); Assert.Equal(selected, listBox.SelectedItems); }
public void Setting_SelectedIndex_During_Initialize_Should_Select_Item_When_AlwaysSelected_Is_Used() { var listBox = new ListBox { SelectionMode = SelectionMode.Single | SelectionMode.AlwaysSelected }; listBox.BeginInit(); listBox.SelectedIndex = 1; var items = new AvaloniaList <string>(); listBox.Items = items; items.Add("A"); items.Add("B"); items.Add("C"); listBox.EndInit(); Assert.Equal("B", listBox.SelectedItem); }
public void Setting_SelectedItems_During_Initialize_Should_Take_Priority_Over_Previous_Value() { var listBox = new ListBox { SelectionMode = SelectionMode.Multiple, Items = new[] { "foo", "bar", "baz" }, }; var selected = new[] { "foo", "bar" }; foreach (var v in new[] { "bar", "baz" }) { listBox.SelectedItems.Add(v); } listBox.BeginInit(); listBox.SelectedItems = new AvaloniaList <object>(selected); listBox.EndInit(); Assert.Equal(selected, listBox.SelectedItems); }