是否可以默认禁用文本框,但在用户双击时启用它?
<StackPanel MouseLeftButtonDown="StackPanel_MouseDown">
<TextBox Name="textBox1"/>
</StackPanel>
然后在 StackPanel 的事件处理程序中:
private void StackPanel_MouseDown(object sender, MouseButtonEventArgs e)
{
if (e.ClickCount >= 2)
{
textBox1.IsEnabled = true; //only hit here on DoubleClick
}
}
您还可以按照此问题中所述模拟StackPanel双击:
private void tbxVariable_PreviewMouseDown(object sender, MouseButtonEventArgs e)
{
if(!tbxVariable.IsFocused && e.ChangedButton == MouseButton.Left)
e.Handled = true;
}
private void tbxVariable_PreviewMouseDoubleClick(object sender, MouseButtonEventArgs e)
{
if (e.ChangedButton == MouseButton.Left && !tbxVariable.IsFocused)
tbxVariable.Focus();
}
<Style x:Key="InlineEditorTextBox" TargetType="{x:Type TextBox}">
<Setter Property="SnapsToDevicePixels" Value="True" />
<Setter Property="OverridesDefaultStyle" Value="True" />
<Setter Property="KeyboardNavigation.TabNavigation" Value="None" />
<Setter Property="FocusVisualStyle" Value="{x:Null}" />
<Setter Property="MinWidth" Value="5" />
<Setter Property="MaxHeight" Value="16" />
<Setter Property="AllowDrop" Value="false" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TextBoxBase}">
<ScrollViewer Margin="0" x:Name="PART_ContentHost" VerticalScrollBarVisibility="Disabled" />
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>