70-502VBChinese Exam
TS: Microsoft .NET Framework 3.5-Windows Presentation Foundation
- Exam Number/Code : 70-502VBChinese
- Exam Name : TS: Microsoft .NET Framework 3.5-Windows Presentation Foundation
- Questions and Answers : 90 Q&As
- Update Time: 2013-04-05
- Price:
$ 119.00$ 69.00 
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Exam : Microsoft 70-502VBChinese
Title : TS: Microsoft .NET Framework 3.5 - Windows Presentation Foundation
1. ÄúÕýÔÚ½« Windows ´°ÌåÓ¦ÓóÌÐòת»»Îª Windows Presentation Foundation (WPF) Ó¦ÓóÌÐò¡£ÄúʹÓà Microsoft .NET Framework 3.5 ´´½¨¸Ã WPF Ó¦ÓóÌÐò¡£
¸Ã WPF Ó¦ÓóÌÐò½«ÖØÓÃ´Ë Windows ´°ÌåÓ¦ÓóÌÐòµÄ 30 ¸ö´°Ìå¡£
¸Ã WPF Ó¦ÓóÌÐòÖаüº¬ÏÂÃæµÄÀඨÒå¡£
Public Class OwnerWindow
Implements System.Windows.Forms.IWin32Window
Private handle_Renamed As IntPtr
Public Property Handle() As IntPtr _
Implements System.Windows.Forms.IWin32Window.Handle
Get
Return handle_Renamed
End Get
Set(ByVal value As IntPtr)
handle_Renamed = value
End Set
End Property
End Class
ÄúÔڸà WPF Ó¦ÓóÌÐòÖбàдÒÔÏ´úÂë¶Î¡££¨Ëù°üÀ¨µÄÐкŽö¹©²Î¿¼¡££©
01 Public Function LaunchWindowsFormsDialog(ByVal dialog As _
02 System.Windows.Forms.Form, ByVal wpfParent As Window) As _
03 System.Windows.Forms.DialogResult
04 Dim helper As New
05 System.Windows.Interop.WindowInteropHelper(wpfParent)
07 Dim owner As New OwnerWindow()
08
09 End Function
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ÄúÓ¦¸ÃÔÚµÚ 08 Ðд¦²åÈëÄĸö´úÂë¶Î£¿
A. owner.Handle = helper.Owner
Dim db As New System.Windows.Forms.DialogResult()
Return db
B. owner.Handle = helper.Owner
Return dialog.ShowDialog(owner)
C. owner.Handle = helper.Owner
Dim result As Nullable(Of Boolean) = wpfParent.ShowDialog()
If result.HasValue Then
Return If(result.Value, System.Windows.Forms.DialogResult.OK, _
System.Windows.Forms.DialogResult.Cancel)
Else
Return System.Windows.Forms.DialogResult.Cancel
End If
D. owner.Handle = helper.Handle
Dim result As Nullable(Of Boolean) = wpfParent.ShowDialog()
If result.HasValue Then
Return If(result.Value, System.Windows.Forms.DialogResult.OK, _
System.Windows.Forms.DialogResult.Cancel)
Else
Return System.Windows.Forms.DialogResult.Cancel
End If
Answer: B
2. ÄúÕýÔÚ´´½¨Ò»¸ö Windows Presentation Foundation Ó¦ÓóÌÐò¡£
ÄúΪ´ËÓ¦ÓóÌÐò´´½¨Ò»¸ö´°¿Ú¡£´ËÓ¦ÓóÌÐò°üº¬Ò»¸öÃûΪ AudioFileToPlay.wav µÄÒôƵÎļþ¡£
ÄúÐèҪȷ±£Âú×ãÒÔÏÂÒªÇó£º
¡¤Ã¿´Îµ¥»÷¸Ã´°¿ÚµÄ¹¤×÷Çøʱ¶¼»á²¥·Å¸ÃÒôƵÎļþ¡£
¡¤¸Ã´°¿ÚÔÚÒôƵÎļþ²¥·ÅʱÌṩ×î¼ÑÐÔÄÜ¡£
ÄúÓ¦¸ÃÔõô°ì£¿
A. ½«ÒÔÏ XAML ´úÂëÐÐÌí¼Óµ½¸Ã´°¿ÚÖС£
<MediaElement Source="AudioFileToPlay.wav" />
B. ½«ÒÔÏ´úÂë¶ÎÌí¼Óµ½´úÂëÒþ²ØÎļþÖÐµÄ window constructor ·½·¨ÖС£
Dim player As New SoundPlayer()
player.SoundLocation = "AudioFileToPlay.wav"
player.Play()
C. ½«ÒÔÏ´úÂë¶ÎÌí¼Óµ½´úÂëÒþ²ØÎļþÖÐµÄ window MouseDown ·½·¨ÖС£
Dim player As New MediaElement()
player.Source = New Uri("AudioFileToPlay.wav", UriKind.Relative)
player.LoadedBehavior = MediaState.Manual
player.Play()
D. ½«ÒÔÏ XAML ´úÂëƬ¶ÎÌí¼Óµ½´°¿ÚÖС£
<Window.Triggers>
<EventTrigger RoutedEvent="Window.MouseDown">
<EventTrigger.Actions>
<SoundPlayerAction Source="AudioFileToPlay.wav"/>
</EventTrigger.Actions>
</EventTrigger>
</Window.Triggers>
Answer: D
3. ÄúʹÓà Microsoft .NET Framework 3.5 ´´½¨ÁËÒ»¸ö Windows Presentation Foundation Ó¦ÓóÌÐò¡£¸ÃÓ¦ÓóÌÐòÃûΪ EnterpriseApplication.exe£¬Í¨¹ýÍøÂçÔËÐС£
ÄúʹÓÃÉè¼ÆÆ÷ÔÚÓû§×÷ÓÃÓò¼¶±ðÏò Settings.settings ÎļþÖÐÌí¼Ó WindowSize ²ÎÊýºÍ WindowPosition ²ÎÊý¡£´°¿ÚµÄ´óСºÍλÖÃÊÇ´ÓÓû§ÅäÖÃÎļþ¶ÁÈ¡µÄ¡£
¸ÃÓ¦ÓóÌÐò±ØÐëÕë¶ÔÖ´ÐÐËüµÄÓû§±£³Ö×î³õµÄ´°¿Ú´óСºÍλÖá£
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¡¤Ã¿¸öÓû§µÄ´°¿Ú´óС¶¼±£´æÔÚÓû§ÅäÖÃÎļþÖС£
¡¤ÔÚÓû§Í˳öÓ¦ÓóÌÐòºó±£ÁôÓû§ÉèÖá£
ÄúÓ¦¸ÃʹÓÃÄĸöÅäÖÃÉèÖã¿
A. Private Sub OnClosing(ByVal sender As Object, ByVal e _
As System.ComponentModel.CancelEventArgs)
My.Settings.Default.WindowPosition = New Point(Me.Left, Me.Top)
My.Settings.Default.WindowSize = New Size(Me.Width, Me.Height)
My.Settings.Default.Save()
End Sub
B. Private Sub OnClosing(ByVal sender As Object, ByVal e As _
System.ComponentModel.CancelEventArgs)
Dim appKey As RegistryKey = _
Registry.CurrentUser.CreateSubKey("SoftwareEnterpriseApplication")
Dim settingsKey As RegistryKey = _
appKey.CreateSubKey("WindowSettings")
Dim windowPositionKey As RegistryKey = _
settingsKey.CreateSubKey("WindowPosition")
Dim windowSizeKey As RegistryKey = _
settingsKey.CreateSubKey("WindowSize")
windowPositionKey.SetValue("X", Me.Left)
windowPositionKey.SetValue("Y", Me.Top)
windowSizeKey.SetValue("Width", Me.Width)
windowSizeKey.SetValue("Height", Me.Height)
End Sub
C. Private Sub OnClosing(ByVal sender As Object, ByVal e As _
System.ComponentModel.CancelEventArgs)
Dim doc As New System.Xml.XmlDocument()
doc.Load("EnterpriseApplication.exe.config")
Dim nodePosition As System.Xml.XmlNode = _
doc.SelectSingleNode("//setting[@name='WindowPosition']")
nodePosition.ChildNodes(0).InnerText = String.Format("{0},{1}", _
Me.Left, Me.Top)
Dim nodeSize As System.Xml.XmlNode = _
doc.SelectSingleNode("//setting[@name='WindowSize']")
nodeSize.ChildNodes(0).InnerText = String.Format("{0},{1}", _
Me.Width, Me.Height)
doc.Save("UserConfigDistractor2.exe.config")
End Sub
D. Private Sub Window_Closing(ByVal sender As Object, ByVal e As _
System.ComponentModel.CancelEventArgs)
Dim sw As New StreamWriter("EnterpriseApplication.exe.config", True)
sw.WriteLine("<EnterpriseApplication.Properties.Settings>")
sw.WriteLine("<setting name=""WindowSize"" serializeAs=""String"">")
sw.WriteLine(String.Format("<value>{0},{1}</value>", Me.Width, _
Me.Height))
sw.WriteLine("</setting>")
sw.WriteLine("<setting name=""WindowPosition"" _
serializeAs=""String"">")
sw.WriteLine(String.Format("<value>{0},{1}</value>", Me.Left, _
Me.Top))
sw.WriteLine("</setting>")
sw.WriteLine("</UserConfigProblem.Properties.Settings>")
sw.Close()
End Sub
Answer: A
4. ÄúÕýÔÚʹÓà Microsoft .NET Framework 3.5 ´´½¨Ò»¸ö Windows Presentation Foundation Ó¦ÓóÌÐò¡£
¸ÃÓ¦ÓóÌÐòʹÓÃÈô¸É¸öÒì²½²Ù×÷À´¼ÆËãÏÔʾ¸øÓû§µÄÊý¾Ý¡£ÃûΪ tommorowsWeather µÄ²Ù×÷Ö´Ðн«ÓÉÆäËû²Ù×÷ʹÓõļÆËã¡£
ÄúÐèҪȷ±£ tommorowsWeather ÒÔ¾¡¿ÉÄܸߵÄÓÅÏȼ¶ÔËÐС£
ÄúÓ¦¸ÃʹÓÃÄĸö´úÂë¶Î£¿
A. tomorrowsWeather.Dispatcher.BeginInvoke( _
System.Windows.Threading.DispatcherPriority.Normal, _
New OneArgDelegate(AddressOf UpdateUserInterface), weather)
B. tomorrowsWeather.Dispatcher.BeginInvoke( _
System.Windows.Threading.DispatcherPriority.DataBind, _
New OneArgDelegate(AddressOf UpdateUserInterface), weather)
C. tomorrowsWeather.Dispatcher.BeginInvoke( _
System.Windows.Threading.DispatcherPriority.Send, _
New OneArgDelegate(AddressOf UpdateUserInterface), weather)
D. tomorrowsWeather.Dispatcher.BeginInvoke( _
System.Windows.Threading.DispatcherPriority.Render, _
New OneArgDelegate(AddressOf UpdateUserInterface), weather)
Answer: C
5. ÄúÕýÔÚʹÓà Microsoft .NET Framework 3.5 ´´½¨Ò»¸ö Windows Presentation Foundation Ó¦ÓóÌÐò¡£
Äú±àдÒÔÏ´úÂë¶Î£¨Ëù°üÀ¨µÄÐкŽö¹©²Î¿¼£©¡£
01 Dim content As Object
02 Dim fileName As String = "theFile"
03 Using xamlFile As New FileStream(fileName & ".xaml", _
04 FileMode.Open, FileAccess.Read)
06 content = TryCast(XamlReader.Load(xamlFile), Object)
07 End Using
08 Using container As Package = Package.Open(fileName & ".xps", _
09 FileMode.Create)
10
11 End Using
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¡¤´ËÓ¦ÓóÌÐò½«ÏÖÓÐÁ÷Îĵµ×ª»»Îª XPS Îĵµ¡£
¡¤XPS ÎĵµÊ¹ÓÃÁ÷Îĵµ¸ñʽÉú³É¡£
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A. Using xpsDoc As New XpsDocument(container, _
CompressionOption.SuperFast)
Dim rsm As XpsSerializationManager = New _
System.Windows.Xps.XpsSerializationManager(New _
XpsPackagingPolicy(xpsDoc), False)
rsm.SaveAsXaml(paginator)
End Using
B. Using xpsDoc As New XpsDocument(container, _
CompressionOption.SuperFast)
Dim rsm As New XpsSerializationManager(New _
XpsPackagingPolicy(xpsDoc), False)
rsm.Commit()
End Using
C. Using xpsDoc As New XpsDocument(container, _
CompressionOption.Maximum)
Dim rsm As New XpsSerializationManager(New _
XpsPackagingPolicy(xpsDoc), False)
Dim paginator As DocumentPaginator = (CType(content, _
IDocumentPaginatorSource)).DocumentPaginator
rsm.SaveAsXaml(paginator)
End Using
D. Using xpsDoc As New XpsDocument(container, _
CompressionOption.SuperFast)
Dim rsm As New XpsSerializationManager(New _
XpsPackagingPolicy(xpsDoc), False)
Dim paginator As DocumentPaginator = (CType(content, _
IDocumentPaginatorSource)).DocumentPaginator
rsm.SaveAsXaml(paginator)
End Using
Answer: C
6. ÄúÕýÔÚʹÓà Microsoft .NET Framework 3.5 ´´½¨Ò»¸ö Windows Presentation Foundation Ó¦ÓóÌÐò¡£
ÄúÔڴ˳ÌÐòÖаüº¬Á˹¦ÄÜÒÔ½â¾ö´°¿ÚÐÐΪÎÊÌâ¡£
ÄúÐèÒªÔÚ´°¿ÚÖÐÊó±êµ¥»÷µÄλÖÃÏÔʾ UI ÔªËØÁÐ±í¡£Äú»¹ÐèҪȷ±£´ËÔªËØÁбíÏÔʾÔÚÏûÏ¢¿òÖС£
ÄúÓ¦¸Ã½«ÏÂÃæÄĸö´úÂë¶Î°üÀ¨ÔÚ´úÂëÒþ²ØÎļþÖУ¿
A. Dim controlsToDisplay As String = String.Empty
Private Sub Window_MouseDown(ByVal sender As Object, _
ByVal e As MouseButtonEventArgs)
controlsToDisplay = CType(sender, UIElement).ToString()
MessageBox.Show(controlsToDisplay)
End Sub
B. Dim controlsToDisplay As String = String.Empty
Private Sub Window_MouseDown(ByVal sender As Object, _
ByVal e As MouseButtonEventArgs)
For i = 0 To VisualChildrenCount - 1
controlsToDisplay += GetVisualChild(i).ToString() + "rn"
Next
MessageBox.Show(controlsToDisplay)
End Sub
C. Dim controlsToDisplay As String = String.Empty
Private Sub Window_MouseDown(ByVal sender As Object, _
ByVal e As MouseButtonEventArgs)
Dim myVisual As Visual()
For i = 0 To VisualTreeHelper.GetChildrenCount(CType(sender, _
Visual)) - 1
myVisual(i) = CType(VisualTreeHelper.GetChild(CType(sender, _
Visual), i), Visual)
controlsToDisplay += myVisual.GetType().ToString() + "rn"
Next
MessageBox.Show(controlsToDisplay)
End Sub
D. Dim controlsToDisplay As String = String.Empty
Private Sub Window_MouseDown(ByVal sender As Object, _
ByVal e As MouseButtonEventArgs)
Dim pt As Point = e.GetPosition(Me)
VisualTreeHelper.HitTest(Me, Nothing, _
New HitTestResultCallback(AddressOf HitTestCallback), _
New PointHitTestParameters(pt))
MessageBox.Show(controlsToDisplay)
End Sub
Private Function HitTestCallback(ByVal result As HitTestResult) As _
HitTestResultBehavior
controlsToDisplay += result.VisualHit.GetType().ToString() + "rn"
Return HitTestResultBehavior.Continue
End Function
Answer: D
7. ÄúÕýÔÚʹÓà Microsoft .NET Framework 3.5 ´´½¨Ò»¸ö Windows Presentation Foundation Ó¦ÓóÌÐò¡£
Äú´òËãʹÓôËÓ¦ÓóÌÐòÔ¤ÀÀÊÓƵÎļþ¡£
Äú±àдÒÔÏ XAML ´úÂëƬ¶Î¡£
01 <Window
01 x:Class="myClass" xmlns=
01 "http://schemas.microsoft.com/winfx/2006/xaml/presentation"
01 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
01 Title="myWindow" Height="300" Width="300">
02 <StackPanel Background="Black">
03
04 <StackPanel HorizontalAlignment="Center"
04 Orientation="Horizontal">
05 <Button Name="btnPlay" Margin="10" Content="Play" />
06 </StackPanel>
07
08 </StackPanel>
09 </Window>
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A. ÔÚµÚ 03 ÐвåÈëÒÔÏ XAML Ƭ¶Î¡£
<MediaElement Name="myMediaElement" Stretch="Fill" />
B. ÔÚµÚ 03 ÐвåÈëÒÔÏ XAML Ƭ¶Î¡£
<MediaElement Name="myMediaElement"
Source="MediaFileSelected.wmv" Stretch="Fill" />
C. ÔÚ´úÂëÒþ²ØÎļþÖд´½¨ÒÔÏ·½·¨¡£
Public Sub PlayMedia(ByVal sender As Object, _
ByVal args As RoutedEventArgs)
myMediaElement.Play()
End Sub
D. ÔÚµÚ 07 ÐвåÈëÒÔÏ XAML Ƭ¶Î¡£
<StackPanel.Triggers>
<EventTrigger RoutedEvent="Button.Click" SourceName="btnPlay">
<EventTrigger.Actions>
<BeginStoryboard Name= "myBegin">
<Storyboard SlipBehavior="Slip">
<MediaTimeline Source="MediaFileSelected.wmv"
Storyboard.TargetName="myMediaElement"
BeginTime="0:0:0" Duration="0:0:10" />
</Storyboard>
</BeginStoryboard>
</EventTrigger.Actions>
</EventTrigger>
</StackPanel.Triggers>
E. ÔÚµÚ 07 ÐвåÈëÒÔÏ XAML Ƭ¶Î¡£
<StackPanel.Triggers>
<EventTrigger RoutedEvent="Button.Click" SourceName="btnPlay">
<EventTrigger.Actions>
<BeginStoryboard Name= "myBegin">
<Storyboard SlipBehavior="Slip">
<MediaTimeline
Storyboard.TargetName="myMediaElement"
BeginTime="0:0:0" Duration="0:0:10" />
</Storyboard>
</BeginStoryboard>
</EventTrigger.Actions>
</EventTrigger>
</StackPanel.Triggers>
Answer: AD
8. ÄúÕýÔÚʹÓà Microsoft .NET Framework 3.5 ´´½¨Ò»¸ö Windows Presentation Foundation Ó¦ÓóÌÐò¡£
ÄúÏò Window ÔªËØÖÐÌí¼ÓÒ»¸ö CommandBinding ÔªËØ¡£¸ÃÃüÁî¾ßÓÐÒ»¸ö¼üÅ̱ÊÊÆ Ctrl+H¡£Window ÔªËØÖаüº¬ÏÂÃæµÄ MenuItem ¿Ø¼þ¡£
<MenuItem Header="Highlight Content"
Command="local:CustomCommands.Highlight" />
ÄúÐèҪȷ±£µ±½¹µãÇл»µ½²»°üº¬ÈκÎÎı¾µÄ TextBox ¿Ø¼þʱ£¬MenuItem ¿Ø¼þ´¦ÓÚ½ûÓÃ״̬¶øÇÒ¸ÃÃüÁî²»¿ÉÖ´ÐС£
ÄúÓ¦¸ÃÔõô°ì£¿
A. ÔÚ TextBox ¿Ø¼þµÄ GotFocus ʼþ´¦Àí³ÌÐòÖУ¬ÉèÖà MenuItem ¿Ø¼þµÄ IsEnabled ÊôÐÔ¡£
B. ½«¸ÃÃüÁîµÄ CanExecute ÊôÐÔÉèÖÃΪ Highlight_CanExecute¡£
½«ÒÔÏ·½·¨Ìí¼Óµ½¸Ã´°¿ÚµÄ´úÂëÒþ²ØÎļþÖС£
Private Sub Highlight_CanExecute(ByVal sender As Object, _
ByVal e As CanExecuteRoutedEventArgs)
Dim txtBox As TextBox = CType(sender, TextBox)
e.CanExecute = (txtBox.Text.Length > 0)
End Sub
C. ½«¸ÃÃüÁîµÄ CanExecute ÊôÐÔÉèÖÃΪ Highlight_CanExecute¡£
½«ÒÔÏ·½·¨Ìí¼Óµ½¸Ã´°¿ÚµÄ´úÂëÒþ²ØÎļþÖС£
Private Sub Highlight_CanExecute(ByVal sender As Object, _
ByVal e As CanExecuteRoutedEventArgs)
Dim txtBox As TextBox
txtBox = CType(e.Source, TextBox)
e.CanExecute = (txtBox.Text.Length > 0)
End Sub
D. ½«¸ÃÃüÁîµÄ CanExecute ÊôÐÔÉèÖÃΪ Highlight_CanExecute¡£
½«ÒÔÏ·½·¨Ìí¼Óµ½¸Ã´°¿ÚµÄ´úÂëÒþ²ØÎļþÖС£
Private Sub Highlight_CanExecute(ByVal sender As Object, _
ByVal e As CanExecuteRoutedEventArgs)
Dim Menu As MenuItem = CType(e.Source, MenuItem)
Dim txtBox As TextBox = CType(Menu.CommandTarget, TextBox)
Menu.IsEnabled = (txtBox.Text.Length > 0)
End Sub
Answer: C
9. ÄúÕýÔÚʹÓà Microsoft .NET Framework 3.5 ´´½¨Ò»¸ö Windows Presentation Foundation Ó¦ÓóÌÐò¡£
ÄúΪ¸ÃÓ¦ÓóÌÐò´´½¨Ò»¸ö´°¿Ú¡£
ÄúÐèҪȷ±£Âú×ãÒÔÏÂÒªÇó£º
¡¤Ê¹Óà ListBox ¿Ø¼þÒÔË«ÁиñʽÏÔʾ×Ö·û´®Êý×é¡£
¡¤ListBox ¿Ø¼þÖÐÊý¾ÝµÄÁ÷¶¯·½ÏòΪ´Ó×óÏòÓÒ¡¢×ÔÉÏÏòÏ¡£
ÄúÓ¦¸ÃÔõô°ì£¿
A. ʹÓð´ÈçÏ·½Ê½¶¨ÒåµÄ ListBox ¿Ø¼þ¡£
<ListBox Name="myList">
<ListBox.ItemsPanel>
<ItemsPanelTemplate>
<UniformGrid Columns="2"/>
</ItemsPanelTemplate>
</ListBox.ItemsPanel>
</ListBox>
ʹÓÃÏÂÃæµÄ VB.NET ´úÂ뽫×Ö·û´®Êý×éÓë ListBox ¿Ø¼þ¹ØÁª¡£
myList.ItemsSource = arrayOfString
B. ʹÓð´ÈçÏ·½Ê½¶¨ÒåµÄ ListBox ¿Ø¼þ¡£
<ListBox Name="myList">
<ListBox.ItemsPanel>
<ItemsPanelTemplate>
<StackPanel />
</ItemsPanelTemplate>
</ListBox.ItemsPanel>
</ListBox>
ʹÓÃÏÂÃæµÄ VB.NET ´úÂ뽫×Ö·û´®Êý×éÓë ListBox ¿Ø¼þ¹ØÁª¡£
myList.ItemsSource = arrayOfString
C. ʹÓð´ÈçÏ·½Ê½¶¨ÒåµÄ ListBox ¿Ø¼þ¡£
<ListBox Name="myList">
<ListBox.ItemsPanel>
<ItemsPanelTemplate>
<WrapPanel />
</ItemsPanelTemplate>
</ListBox.ItemsPanel>
</ListBox>
ʹÓÃÏÂÃæµÄ VB.NET ´úÂ뽫×Ö·û´®Êý×éÓë ListBox ¿Ø¼þ¹ØÁª¡£
myListView.ItemsSource = arrayOfString
D. ʹÓð´ÈçÏ·½Ê½¶¨ÒåµÄ ListBox ¿Ø¼þ¡£
<ListBox Name="myList">
<ListBox.ItemsPanel>
<ItemsPanelTemplate>
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition />
<ColumnDefinition />
</Grid.ColumnDefinitions>
</Grid>
</ItemsPanelTemplate>
</ListBox.ItemsPanel>
</ListBox>
ʹÓÃÏÂÃæµÄ VB.NET ´úÂ뽫×Ö·û´®Êý×éÓë ListBox ¿Ø¼þ¹ØÁª¡£
myList.ItemsSource = arrayOfString
Answer: A
10. ÄúÕýÔÚʹÓà Microsoft .NET Framework 3.5 ´´½¨Ò»¸ö Windows Presentation Foundation (WPF) Ó¦ÓóÌÐò¡£
¸Ã WPF Ó¦ÓóÌÐòÓÐÒ»¸öÃûΪ rootGrid µÄ Grid ¿Ø¼þ¡£
Äú±àдÒÔÏ XAML ´úÂëƬ¶Î¡£
<Window x:Class="MCP.HostingWinFormsControls"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/
presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="HostingWinFormsControls"
Loaded="Window_Loaded">
<Grid x:Name="rootGrid">
</Grid>
</Window>
ÄúÐèҪȷ±£Ã¿´Î´ò¿ª WPF ´°¿Úʱ£¬¶¼»áÏò rootGrid ÖÐÌí¼ÓÒ»¸öÃûΪ MyCustomFormsControl µÄ Windows ´°Ìå¿Ø¼þ¡£
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A. Private Sub Window_Loaded(ByVal sender As Object, ByVal e As _
RoutedEventArgs)
Dim host As New WindowsFormsHost()
Dim formsControl As New MyCustomFormsControl()
host.Child = formsControl;
rootGrid.Children.Add(host);
End Sub
B. Private Sub Window_Loaded(ByVal sender As Object, ByVal e As _
RoutedEventArgs)
Dim host As New ElementHost()
Dim formsControl As New MyCustomFormsControl()
host.Child = formsControl;
rootGrid.Children.Add(host);
End Sub
C. Private Sub Window_Loaded(ByVal sender As Object, ByVal e As _
RoutedEventArgs)
Dim formsControl As New MyCustomFormsControl()
formsControl.CreateControl()
Dim target As New HwndTarget(formsControl.Handle)
Dim formsElement As UIElement = TryCast(target.RootVisual, _
UIElement)
rootGrid.Children.Add(formsElement)
End Sub
D. Private Sub Window_Loaded(ByVal sender As Object, ByVal e As _
RoutedEventArgs)
Dim formsControl As New MyCustomFormsControl()
formsControl.CreateControl()
Dim source As HwndSource = HwndSource.FromHwnd(formsControl.Handle)
Dim formsElement As UIElement = TryCast(source.RootVisual, _
UIElement)
rootGrid.Children.Add(formsElement)
End Sub
Answer: A
11. ÄúʹÓà Windows Presentation Foundation ºÍ Microsoft .NET Framework 3.5 ´´½¨Ò»¸ö´°Ìå¡£¸Ã´°ÌåÖаüº¬Ò»¸ö״̬À¸¡£
Äú´òËãÏò¸Ã״̬À¸Ìí¼ÓÒ»¸ö ProgressBar ¿Ø¼þ¡£
ÄúÐèҪȷ±£ ProgressBar ¿Ø¼þÏÔʾÄúÎÞ·¨Ô¤²âÍê³Éʱ¼äµÄÈÎÎñµÄ½ø¶È¡£
ÄúÓ¦¸ÃʹÓÃÄĸö´úÂë¶Î£¿
A. progbar.IsIndeterminate = True
B. progbar.IsIndeterminate = False
C. progbar.HasAnimatedProperties = True
D. progbar.HasAnimatedProperties = False
Answer: A
12. ÄúÕýÔÚʹÓà Microsoft .NET Framework 3.5 ´´½¨Ò»¸ö Windows Presentation Foundation Ó¦ÓóÌÐò¡£ÄúµÄÏîÄ¿°üº¬Ò»¸öÃûΪ Data µÄÎļþ¼Ð¡£
ÄúÔÚ´Ë Data Îļþ¼ÐÖÐÌí¼ÓÒ»¸öÃûΪ song.mp3 µÄ .MP3 Îļþ¡£Äú½«´ËÓ¦ÓóÌÐòµÄ Build Action ÊôÐÔÉèÖÃΪ Resource¡£
ÄúÐèҪͨ¹ýÆäÖÐÒ»¸ö Application Àà·ÃÎÊ´Ë .MP3 Îļþ¡£
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A. Dim uri As New Uri("/Data/song.mp3", UriKind.Relative)
Dim sri As StreamResourceInfo = Application.GetContentStream(uri)
Dim stream As Stream = sri.Stream
B. Dim uri As New Uri("/Data/song.mp3", UriKind.Relative)
Dim sri As StreamResourceInfo = Application.LoadComponent(uri)
Dim stream As Stream = sri.Stream
C. Dim uri As New Uri("/Data/song.mp3", UriKind.Relative)
Dim sri As StreamResourceInfo = Application.GetRemoteStream(uri)
Dim stream As Stream = sri.Stream
D. Dim uri As New Uri("/Data/song.mp3", UriKind.Relative)
Dim sri As StreamResourceInfo = Application.GetResourceStream(uri)
Dim stream As Stream = sri.Stream
Answer: D
13. ÄúÕýÔÚʹÓà Microsoft .NET Framework 3.5 ´´½¨Ò»¸ö Windows Presentation Foundation Ó¦ÓóÌÐò¡£
´ËÓ¦ÓóÌÐò½«Ê¹Óà FlowDocumentPageViewer ÀàµÄʵÀýÀ´ÏÔʾÎĵµ¡£¸ÃʵÀýµÄÃû³ÆΪ fdpv¡£Óû§¿ÉÒÔÍ»³öÏÔʾÎĵµÄÚÈݲ¢ÎªÆäÌí¼Ó×¢ÊÍ¡£
ÄúÐèҪȷ±£ÎªÎĵµ×÷µÄ×¢Ê͵ÃÒÔ±£´æ£¬ÇÒÕâЩעÊÍÔÚÎĵµÔÙ´ÎÏÔʾʱ³ÊÏÖ³öÀ´¡£
ÄúÓ¦¸ÃʹÓÃÏÂÃæÄĸö´úÂë¶Î£¿
A. Protected Sub OnTextInput(ByVal sender As Object, _
ByVal e As RoutedEventArgs)
Dim service As AnnotationService = _
AnnotationService.GetService(fdpv)
If service Is Nothing Then
AnnotationStream = New FileStream("annotations.xml", _
FileMode.Open, FileAccess.ReadWrite)
service = New AnnotationService(fdpv)
Dim store As AnnotationStore = _
New XmlStreamStore(AnnotationStream)
service.Enable(store)
End If
End Sub
Private Sub OnClosing(ByVal sender As Object, _
ByVal e As System.ComponentModel.CancelEventArgs)
Dim service As AnnotationService = _
AnnotationService.GetService(fdpv)
If Not service Is Nothing AndAlso service.IsEnabled Then
service.Store.Flush()
service.Disable()
AnnotationStream.Close()
End If
End Sub
B. Protected Sub OnLoaded(ByVal sender As Object, _
ByVal e As RoutedEventArgs)
Dim service As AnnotationService = _
AnnotationService.GetService(fdpv)
If service Is Nothing Then
AnnotationStream = New FileStream("annotations.xml", _
FileMode.Open, FileAccess.ReadWrite)
service = New AnnotationService(fdpv)
End If
End Sub
Private Sub OnClosing(ByVal sender As Object, _
ByVal e As System.ComponentModel.CancelEventArgs)
Dim service As AnnotationService = _
AnnotationService.GetService(fdpv)
If Not service Is Nothing AndAlso service.IsEnabled Then
service.Store.Flush()
service.Disable()
AnnotationStream.Close()
End If
End Sub
C. Protected Sub OnLoaded(ByVal sender As Object, _
ByVal e As RoutedEventArgs)
Dim service As AnnotationService = _
AnnotationService.GetService(fdpv)
If service Is Nothing Then
AnnotationStream = New FileStream("annotations.xml", _
FileMode.Open, FileAccess.ReadWrite)
service = New AnnotationService(fdpv)
Dim store As AnnotationStore = New _
XmlStreamStore(AnnotationStream)
service.Enable(store)
End If
End Sub
Private Sub OnClosing(ByVal sender As Object, _
ByVal e As System.ComponentModel.CancelEventArgs)
Dim service As AnnotationService = _
AnnotationService.GetService(fdpv)
If Not service Is Nothing AndAlso service.IsEnabled Then
service.Store.Flush()
service.Disable()
AnnotationStream.Close()
End If
End Sub
D. Protected Sub OnLoaded(ByVal sender As Object, _
ByVal e As RoutedEventArgs)
Dim service As AnnotationService = _
AnnotationService.GetService(fdpv)
If service Is Nothing Then
AnnotationStream = New FileStream("annotations.xml", _
FileMode.Open, FileAccess.ReadWrite)
service = New AnnotationService(fdpv)
Dim store As AnnotationStore = New _
XmlStreamStore(AnnotationStream)
service.Enable(store)
End If
End Sub
Private Sub OnClosing(ByVal sender As Object, _
ByVal e As System.ComponentModel.CancelEventArgs)
Dim service As AnnotationService = _
AnnotationService.GetService(fdpv)
If Not service Is Nothing AndAlso service.IsEnabled Then
service.Disable()
AnnotationStream.Close()
End If
End Sub
Answer: C
14. ÄúÕýÔÚʹÓà Microsoft .NET Framework 5 ´´½¨Ò»¸ö Windows Presentation Foundation Ó¦ÓóÌÐò¡£
¸ÃÓ¦ÓóÌÐò¶¨ÒåÒ»¸ö BrowserWindow Àà¡£BrowserWindow ÀàµÄÿ¸öʵÀýÔÊÐíÓû§ÔÚÒ»¸öµ¥¶ÀµÄ´°¿ÚÖÐä¯ÀÀÍøÕ¾¡£ÔÚ´ò¿ªÐµÄä¯ÀÀÆ÷´°¿Úʱ£¬Óû§½«Öض¨Ïòµ½Ò»¸öÔ¤¶¨ÒåµÄ URL¡£
Äú±àдÒÔÏ´úÂë¶Î¡£
01 Private Sub OpenNewWindow(ByVal sender As Object, _
02 ByVal e As RoutedEventArgs)
03 Dim newWindowThread As New Thread(New _
04 ThreadStart(AddressOf NewThreadProc))
05
06 newWindowThread.Start()
07 End Sub
08 Private Sub NewThreadProc()
09
10 End Sub
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¡¤ÔÚÓ¦ÓóÌÐòµÄÖ÷´°¿Ú¹Ø±Õʱ£¬Ó¦ÓóÌÐò¼´Ö´ÐÐÍê±Ï¡£
ÄúÓ¦¸ÃÔõô°ì£¿
A. ÔÚµÚ 05 Ðд¦²åÈëÒÔÏ´úÂë¶Î¡£
newWindowThread.SetApartmentState(ApartmentState.STA)
newWindowThread.IsBackground = True
ÔÚµÚ 09 Ðд¦²åÈëÒÔÏ´úÂë¶Î¡£
Dim newWindow As New BrowserWindow()
newWindow.Show()
Dim app As New Application()
app.Run(newWindow)
B. ÔÚµÚ 05 Ðд¦²åÈëÒÔÏ´úÂë¶Î¡£
newWindowThread.IsBackground = True
ÔÚµÚ 09 Ðд¦²åÈëÒÔÏ´úÂë¶Î¡£
newWindowThread.SetApartmentState(ApartmentState.STA)
Dim newWindow As New BrowserWindow()
newWindow.Show()
Dim app As New Application()
app.Run(newWindow)
C. ÔÚµÚ 05 Ðд¦²åÈëÒÔÏ´úÂë¶Î¡£
newWindowThread.SetApartmentState(ApartmentState.STA)
newWindowThread.IsBackground = False
ÔÚµÚ 09 Ðд¦²åÈëÒÔÏ´úÂë¶Î¡£
Dim newWindow As New BrowserWindow()
System.Windows.Threading.Dispatcher.Run()
newWindow.Show()
D. ÔÚµÚ 05 Ðд¦²åÈëÒÔÏ´úÂë¶Î¡£
newWindowThread.SetApartmentState(ApartmentState.STA)
newWindowThread.IsBackground = True
ÔÚµÚ 09 Ðд¦²åÈëÒÔÏ´úÂë¶Î¡£
Dim newWindow As New BrowserWindow()
newWindow.Show()
System.Windows.Threading.Dispatcher.Run()
Answer: D
