香草XAML(没有添加或包)实施:
<Window x:Class="Spinner.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:Spinner"
mc:Ignorable="d"
ResizeMode="CanMinimize" SizeToContent="WidthAndHeight" Title="Scroll Spinner">
<Grid>
<Grid.RowDefinitions>
<RowDefinition/>
<RowDefinition/>
</Grid.RowDefinitions>
<!-- The button exists just to have something other than the spinner be the object of focus. -->
<Button Content="Reset" TabIndex="0"/>
<!-- The spinner is just a scroll bar overlaying a text box (same tab indices). -->
<!-- Only the scroll bar is named (in order to get its value); the text box just relfects the scroll bar's value. -->
<TextBox GotFocus="TextBox_GotFocus" Grid.Row="1" Height="{Binding ElementName=SpinnerScr, Path=ActualHeight}" HorizontalAlignment="Stretch" IsReadOnly="True" TabIndex="1" Text="{Binding ElementName=SpinnerScr, Path=Value, StringFormat={}{0:####0}}" TextAlignment="Center"/>
<ScrollBar x:Name="SpinnerScr" Background="Transparent" Focusable="True" Grid.Row="1" Height="20" LostFocus="SpinnerScr_LostFocus" Margin="0,3" Maximum="999" Orientation="Horizontal" SmallChange="1" TabIndex="1" Visibility="Hidden"/>
<x:Code>
<![CDATA[
void SpinnerScr_LostFocus(object sender, RoutedEventArgs e) {
SpinnerScr.Visibility = Visibility.Hidden;
}
void TextBox_GotFocus(object sender, RoutedEventArgs e) {
SpinnerScr.Visibility = Visibility.Visible;
SpinnerScr.Focus();
}
]]>
</x:Code>
</Grid>
</Window>
using System.Windows;
namespace Spinner {
public partial class MainWindow : System.Windows.Window {
public MainWindow() {
InitializeComponent();
}
}
}
当滚动条(或文本框)有焦点,滚动元素是可见的。在失去焦点时,只能看到文本框。只有滚动条可以在任何代码后面访问。
如果你得到那个错误,那么在你的代码中有一个'nud'引用。找到它并删除它或将其更改为'lib'。 – 2010-09-22 10:17:55
搜索整个项目''未找到',但没有找到任何匹配项。 – 2010-09-22 10:38:21
将项目(源代码)添加到您的应用程序(而不是引用它),然后尝试调试控件初始化程序。你可能会得到更具体的错误。 – akjoshi 2010-09-22 11:38:15