設定TextBox 控制項的焦點 另請參閱 此範例示範如何使用 Focus 方法來設定 TextBox 控制項的焦點。 定義簡單的 TextBox 控制項 下列Extensible Application Markup Language (XAML) 範例描述名為 tbFocusMe的簡單 TextBox 控制項 XAML 複製 <TextBox Name=
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通过dataTriger来给TextBox焦点 Using XAML to Set Focus on a Textbox in WPF Desktop Applications <Stylex:Key="LayoutRoot"TargetType="Grid"><Style.Triggers><!--these are the triggers that make the code cursor jump from box 1 to box 2 to box 3.--><DataTriggerBinding="{Binding ElementName...
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_textBox?.Focus(); } } } Attachment:TMControls.WPF_1dd9e61a.zip We have reviewed your sample and were able to reproduce the reported issue. We have done a workaround for you. In WPF, the UI controls can only be accessed and modified on the UI thread. When you click on the label...
Triggers> </Style> </TextBox.Style> </TextBox> TextBox的代码实现很简单,就是通过画刷用TextBlock作背景,将TextBox背景设置为画刷构成的背景。 遇到的问题!!! 在TextBox 的代码中不能直接给Background赋值,如下面的代码。在这里赋值后,通过Style将不能修改背景,因为如下的赋值方法的优秀级较高,Style中将...
comboBox.IsTabStop=false; Panel.SetZIndex(comboBox,-1); comboBox.SelectionChanged+=newSelectionChangedEventHandler(comboBox_SelectionChanged); textBox=newTextBox(); textBox.TextChanged+=newTextChangedEventHandler(textBox_TextChanged); textBox.GotFocus+=newRoutedEventHandler(textBox_GotFocus); ...
order to change it, instead of setting the focus manager on the grid element, you could set it in theTextBoxcontrol style with an additionalSetter. When theIsEditproperty is set toTrue, the control will be enabled and it will also get the focus. The following code snippet shows what I ...
注意注意,如果你的 Popup 中包含文本框,那么一定需要加上SetFocus的调用。WPF 版本的设置焦点,无论是逻辑焦点(xx.Focus())还是键盘焦点(Keyboard.Focus(xx))都无法真正让 Popup 获得焦点。这时打字,IME 框是不会跟随文本框的。 需要单独为 TextBox 再设置焦点 ...
按Tab 鍵跳到元素,或以滑鼠按一下特定元素 (例如 TextBox),即可取得鍵盤焦點。 您也可以在 Focus 類別上使用 Keyboard 方法,以程式設計方式取得鍵盤焦點。 Focus 會嘗試提供指定的元素鍵盤焦點。 Focus 傳回的元素是目前具有鍵盤焦點的元素。 為了讓元素取得鍵盤焦點,Focusable 屬性和 IsVisible 屬性必須設定為 true...