Add a image to ComboBoxitem Add an empty item in a bounded-Combobox Add and remove event handlers dynamically in WPF Add Blank Row to DataGrid Add buttons to the tab control header Add data into observable collection Add DataTrigger Programmatically add image on wpf datagrid with c# add multip...
IsComboBoxEditable—allows you to configure whether the editor RadComboBox is editable. EmptyText—allows you to set a string which will be displayed in both view mode and edit mode when the RadComboBox editor does not have a selected item. ...
SelectedIndex: This is the index of the first item of the current selection. If the selection is empty, negative one (-1) is returned. Commands With multiple selection the following commands could be executed: SelectAll UnselectAll ToggleSelectAll ...
需要先设置combobox.datasource 的值，然后再对 combobox.text 进行设置 有时候，某个地方需要使用 comb...
还有问题呢。ComboBox还可以手输,自动筛选。All也要支持。 其实这个功能WPF Combobox已经提供了,但是,但是,只支持单个属性的Search,DisplayPath=XXX。如果你自己重新定义了ItemTemplate,而且用Code + Name这种形式来格式化,这个功能立刻失效。为嘛?因为微软的Search是找Entity.ToString()的,看你输入的string是否和Entity...
<ComboBox ItemsSource="{Binding CustomerTypeOptions}" SelectedItem="{Binding CustomerType, ValidatesOnDataErrors=True}" /> 该组合框中的选定的项目更改时, 数据源的 IDataErrorInfo 接口被查询新值有效。 原因,SelectedItem 属性绑定具有 ValidatesOnDataErrors 设置为 True。 由于数据源是一个 customerVie...
(MultiSelectionSearchComboBox), new PropertyMetadata(string.Empty)); private CheckBox _checkBox; private ListBox _listBox; private ListBox _listBoxSearch; private Popup _popup; private TextBox _textBox; private List selectedItems; private List selectedList; private List selectedSearchList; private ...
首先, 实现思路是: 1. 自定义一个用户控件 2.添加一个combobox 3.重载combobox的item模板 4. 给模板中的checkbox添加点击事件. 思路确定了,就开始实现功能. 第一步 编辑xaml文件 <Grid><ComboBoxx:Name="CheckableCombo"><ComboBox.ItemTemplate><HierarchicalDataTemplate><CheckBoxContent="{Binding Title}"Is...
Add a image to ComboBoxitem Add an empty item in a bounded-Combobox Add and remove event handlers dynamically in WPF Add Blank Row to DataGrid Add buttons to the tab control header Add data into observable collection Add DataTrigger Programmatically add image on wpf datagrid with c# add mult...
创建MultiSelectionSearchComboBox 继承 Control . 模板中创建两个 ListBox PART_Selector 用来显示所有 Item PART_SearchSelector 用于记录筛选到的 Item Item 继承 ListBoxItem 并将样式模板修改为 CheckBox 解决Popup 中 IME 不跟随 TextBox 问题 private static extern IntPtr SetFocus(IntPtr hWnd); ...