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Code d'Examen: 070-511
Nom d'Examen: Microsoft (TS: Windows Applications Development with Microsoft .NET Framework 4)
Questions et réponses: 156 Q&As
Code d'Examen: 070-450
Nom d'Examen: Microsoft (PRO:MS SQL Serv 08,Design,Optimize, and Maintain DB Admin Solu)
Questions et réponses: 125 Q&As
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NO.1 You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF)
application.
You write the following code segment. (Line numbers are included for reference only.)
01public class Contact
02{
03private string _contactName;
04
05public string ContactName {
06get { return _contactName; }
07set { _contactName = value; }
08}
09
10}
You add the following code fragment within a WPF window control.
<TextBox>
<TextBox.Text>
<Binding Path="ContactName" UpdateSourceTrigger="PropertyChanged">
<Binding.ValidationRules>
<DataErrorValidationRule />
</Binding.ValidationRules>
</Binding>
</TextBox.Text>
</TextBox>
The TextBox control is data-bound to an instance of the Contact class.
You need to ensure that the Contact class contains a business rule to ensure that the ContactName
property is not empty or NULL.
You also need to ensure that the TextBox control validates the input data.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two).
A. Replace line 01 with the following code segment. public class Contact : IDataErrorInfo
B. Replace line 01 with the following code segment. public class Contact : ValidationRule
C. Replace line 01 with the following code segment. public class Contact : INotifyPropertyChanging
D. Add the following code segment at line 04. public event PropertyChangingEventHandler
PropertyChanging;
E. Modify line 07 with the following code segment:
set {
if (this.PropertyChanging != null)
PropertyChanging(this, new
PropertyChangingEventArgs("ContactName"));
if (string.IsNullOrEmpty(value))
throw new ApplicationException("Contact name is required");
_contactName = value;
}
F. Add the following code segment at line 09.
public string Error {
public string this[string columnName] {
get {
if (columnName == "ContactName" &&
string.IsNullOrEmpty(this.ContactName))
return "Contact name is required";
return null;
}
}
Answer: AF
Microsoft examen certification 070-511 certification 070-511 070-511
NO.2 You use Microsoft .NET Framework 4 to create a Windows Forms application.
You plan to use a Windows Presentation Foundation (WPF) control of the UserControl1 type hosted in an
ElementHost control named elementHost1.
You write the following code segment. (Line numbers are included for reference only.)
01public class WPFInWinForms {
02public WPFInWinForms
03{
04InitializeComponent();
05
06}
07private void OnBackColorChange(object sender, String propertyName, object value)
08{
09ElementHost host = sender as ElementHost;
10System.Drawing.Color col = (System.Drawing.Color)value;
11SolidColorBrush brush =
new SolidColorBrush(System.Windows.Medi
a.Color.FromRgb(col.R, col.G, col.B));
12UserControl1 uc1 = host.Child as UserControl1;
13uc1.Background = brush;
14}
15}
You need to ensure that the application changes the background color of the hosted control when the
background color of the form changes.
Which code segment should you insert at line 05?
A. elementHost1.PropertyMap.Remove("BackColor");
elementHost1.PropertyMap.Add("BackColor", new PropertyTranslator(OnBackColorChange));
B. elementHost1.PropertyMap.Remove("Background");
elementHost1.PropertyMap.Add("Background", new PropertyTranslator(OnBackColorChange));
C. elementHost1.PropertyMap.Add("BackColor", new PropertyTranslator(OnBackColorChange));
elementHost1.PropertyMap.Apply("BackColor");
D. elementHost1.PropertyMap.Add("Background", new PropertyTranslator(OnBackColorChange));
elementHost1.PropertyMap.Apply("Background");
Answer: A
Microsoft examen 070-511 examen 070-511 certification 070-511 070-511
NO.3 You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF)
application.
You plan to use an existing Windows Forms control named MyWinFormControl in the MyControls
assembly.
You need to ensure that the control can be used in your application.
What should you do?
A. Add the following code fragment to the application.
<Window x:Class="HostingWfInWpf.Window1"
xmlns="http: //schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http: //schemas.microsoft.com/winfx/2006/xaml"
xmlns:wf="clr-namespace:MyCompany.Controls;assembly=MyControls;" Title="HostingWfInWpf" >
<Grid>
<ElementHost>
<wf:MyWinFormControl x:Name="control" />
</ElementHost>
</Grid> </Window>
B. Add the following code fragment to the application.
<Window x:Class="HostingWfInWpf.Window1"
xmlns="http: //schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http: //schemas.microsoft.com/winfx/2006/xaml"
xmlns:wf="clr-namespace:MyCompany.Controls;assembly=MyControls;" Title="HostingWfInWpf" >
<Grid>
<WindowsFormsHost>
<wf:MyWinFormControl x:Name="control" />
</WindowsFormsHost>
</Grid> </Window>
C. Add the following code segment to the WindowsLoaded function.
ElementHost host = new ElementHost();
host.Dock = DockStyle.Fill;
MyWinFormControl control = new MyWinFormControl();
host.Child = control;
this.Controls.Add(host);
D. Add the following code segment to the WindowsLoaded function.
Grid grid = new Grid();
System.Windows.Forms.Integration.WindowsFormsHost host = new
System.Windows.Forms.Integration.WindowsFormsHost();
MyWinFormControl control = new MyWinFormControl();
grid.Children.Add(host);
Answer: B
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NO.4 You create a Windows client application by using Windows Presentation Foundation (WPF).
The application contains the following code fragment.
<Window.Resources>
<DataTemplate x:Key="detail">
<!--...-->
</DataTemplate>
</Window.Resources>
<StackPanel>
<ListBox Name="lbDetails">
</ListBox>
<Button Name="btnDetails">Details</Button>
</StackPanel>
You need to assign lbDetails to use the detail data template when btnDetails is clicked.
Which code segment should you write for the click event handler for btnDetails?
A. lbDetails.ItemsPanel.FindName("detail",lbDetails);
B. var tmpl = (ControlTemplate)FindResource("detail"); lbDetails.Template = tmpl;
C. var tmpl = (DataTemplate)FindName("detail"); lbDetails.ItemTemplate = tmpl;
D. var tmpl = (DataTemplate)FindResource("detail"); lbDetails.ItemTemplate=tmpl;
Answer: D
Microsoft examen certification 070-511 certification 070-511 certification 070-511
NO.5 You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application.
You write the following code fragment.
<StackPanel TextBox.PreviewTextInput="StackPanel_PreviewTextInput">
<TextBox Name="TxtBoxA"/>
<TextBox Name="TxtBoxB"/>
<TextBox Name="TxtBoxC"/>
</StackPanel>
You create an event handler named StackPanel_PreviewTextInput. You also have a collection of strings
named Keywords.
You need to ensure that TxtBoxA and TxtBoxB do not contain any of the strings in the Keywords
collections.
Which code segment should you use?
A. private void StackPanel_PreviewTextInput( object sender, TextCompositionEventArgs e)
{ FrameworkElement feSource = sender as FrameworkElement;
if (feSource.Name == "TxtBoxA" || feSource.Name == "TxtBoxB")
{ foreach(string keyword in Keywords)
{
if(e.Text.Contains(keyword)) {
e.Handled = false;
return;
}
}} e.Handled = true;
} }
B. private void StackPanel_PreviewTextInput( object sender, TextCompositionEventArgs e) {
FrameworkElement feSource = e.Source as FrameworkElement;
f (feSource.Name == "TxtBoxA" || feSource.Name == "TxtBoxB")
f (feSource.Name == "TxtBoxA" || feSource.Name == "TxtBoxB") {
foreach(string keyword in Keywords)
{
if(e.Text.Contains(keyword)) {
e.Handled = false;
return;
}
} e.Handled = true;
C. private void StackPanel_PreviewTextInput( object sender, TextCompositionEventArgs e)
{
FrameworkElement feSource = sender as FrameworkElement;
if (feSource.Name == "TxtBoxA" || feSource.Name == "TxtBoxB")
{ foreach(string keyword in Keywords)
{ if(e.Text.Contains(keyword)) {
e.Handled = true;
return; }
} e.Handled = false;
} }
D. private void StackPanel_PreviewTextInput( object sender, TextCompositionEventArgs e)
{ FrameworkElement feSource = e.Source as FrameworkElement;
if (feSource.Name == "TxtBoxA" || feSource.Name == "TxtBoxB")
{
foreach(string keyword in Keywords)
{ if(e.Text.Contains(keyword)) {
e.Handled = true;
return;
} } e.Handled = false;
}
}
Answer: D
Microsoft examen 070-511 examen certification 070-511 certification 070-511
NO.6 You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application.
The application contains a composite user control that includes a TextBox control named txtInput.
The user control will be hosted in a window and will have handlers for the text-changed event of txtInput.
You need to ensure that the application meets the following requirements:
AddHandler (TextBox.TextChangedEvent, new RoutedEventHandler (Audit_TextChanged), true);
Which of the following statments are TRUE? (choose all that apply)
A. A text-changed event handler, named Audit_TextChanged, was Created for the txtInput control.
B. Audit_TextChanged will stop running because the event is marked as handled by certain event
handlers.
C. Even through the event is marked handled by certain event handlers, Audit_TextChanged will still run.
D. Audit_TextChanged will continue to run until the event is marked as handled.
Answer: AC
Microsoft examen 070-511 certification 070-511 070-511 examen certification 070-511
NO.7 You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application.
The application contains a composite user control that includes a TextBox control named txtInput.
The user control will be hosted in a window and will have handlers for the text-changed event of txtInput.
You need to ensure that the application meets the following requirements:
- Creates a text-changed event handler named Audit_TextChanged for the txtInput control.
- Executes Audit_TextChanged even when specific handlers mark the event as handled.
Which code segment should you add to the constructor of the user control.?
A. txtInput.TextChanged+=Audit_TextChanged;
B. AddHandler (TextBox.TextChangedEvent, new RoutedEventHandler (Audit_TextChanged), true);
C. EventManager.RegisterClassHandler (typeof (TextBox),TextBox.TextChangedEvent, new
RoutedEventHandler (Audit_TextChanged), true);
D. EventManager.RegisterClassHandler (typeof (TextBox), TextBox.TextChangedEvent, new
RoutedEventHandler (Audit_TextChanged), false);
Answer: B
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NO.8 You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application.
You create a window that contains a Button control and a MenuItem control. Both controls are labeled
"Add sugar."
The Command properties of the Button and MenuItem controls are set to the same RoutedCommand
named AddSugarCommand.
You write the following code segment.
private void CanAddSugar (object sender, CanExecuteRoutedEventArgs e) { ... }
You need to ensure that when the CanAddSugar method sets e.CanExecute to false, the MenuItem and
Button controls are disabled.
What should you do?
A. Create an event handler for the CanExecuteChanged event of the AddSugarCommand command.
Call the CanAddSugar method from within the event handler.
B. Inherit the AddSugarCommand from the RoutedUICommand class instead of the RoutedCommand
class.
Call the CanAddSugar method from within the constructor of the AddSugarCommand command.
C. Add a CommandBinding object to the CommandBinding property of the MenuItem control.
Set the CanExecute property of the CommandBinding object to the CanAddSugar method.
D. Add a CommandBinding object to the CommandBindings property of the window.
Set the Command property of CommandBinding to the AddSugarCommand command.
Set the CanExecute property of the CommandBinding object to the CanAddSugar method.
Answer: D
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