Unabridged Pass4sure Microsoft 70-511 PDF Dumps Free Download (181-190)

QUESTION 181
You are developing a Windows Presentation Foundation (WPF) application that displays opportunities from List (Of T) named Leads, where T is a class named Lead. The Lead class contains the properties Title and Revenue. You add a DataGrid control named dgQualifiedLeads to the MainWindow.xaml file. You set the ItemSource property of dgQualifiedLeads to Leads as follows. (Line numbers are included for reference only.)

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You need to ensure that CollectionViewSource is used to filter the list to display only Lead objects with revenue of more than $1,000. What should you do?

A.    Insert the following code at line 22.
Leads.Filter = New Predicate (Of Object)(AddressOf FilterOut) Add the following code segment to the code-behind of the MainWindow.xaml file.
Public Function FilterOut(ByVal item As Object) As Boolean Dim lead As Lead = TryCast(item, Lead)
Return IIf(lead.Revenue < 1000D, True, False)
End Function
B.    Insert the following code at line 22.
Leads.Filter =
New Predicate (Of Object)(AddressOf FilterOut)
Add the following code segment to the code-behind of the MainWindow.xaml file.
Public Function FilterOut(ByVal item As Object) As Boolean Dim lead As Lead TryCast(item, Lead)
Return IIf(lead.Revenue > 1000D, False, True)
End Function
C.    Insert the following code at line 22.
Leads.Filter =
New Predicate(Of Object)(
Function(s) DirectCast(s. Lead).Revenue > 1000D)
D.    Insert the following code at line 22.
Leads.SortDescriptions.Add(New SortDescription(
"Revenue", ListSortDirection.Ascending))

Answer: C

QUESTION 182
You are developing a Windows Presentation Foundation (WPF) application that displays pricing and inventory Information. A list box’s ItemsSource property has decimal and string types. Decimals represent price and strings represent messages such as "Discontinued" The following markup is defined as follows. (Line numbers are included for reference only.)
1821
You need to ensure that data templates are used to format the strings without changes and the decimals as currency. Which markup segment should you insert at line 05?

A.    <DataTemplate x:Key="clr:String">
<TextBlock
Text="{Binding StringFormat=Itein Error: {0}}"/>
</DacaTeroplate>
<DataTeroplate x:Key="clr:Decirrtal">
<TextBlock
Text="{Binding StringForroat=Item Price: {0:C}}" />
</DataTemplate>
B.    <DataTemplate x:Key="String" Template="clr:String">
<TextBlock
Text="{Binding StringFormat=Item Error: {0}}" />
</DataTemplate>
<DataTemplate x:Key="Decimal" Template="clr:Decimal "> <TextBlock
Text="{Binding StringFormat=Item Price: {0:C}}" />
</DataTemplate>
C.    <DataTemplate DataType="{x:Type clr:String} ,/>
<TextBlock
Text="{ Binding StringFormat=Item Error: {0}}" />
</DataTemplate>
<DataTemplate DataType="{x:Type clr:Decimal) ">
<TextBlock
Text="{Binding StringFormat=Item Price: {0:C}}" />
</DataTemplate>
D.    <DataTemplate DataType=, clr : String">
<TextBlock
Text="{Binding StringFormat=Item Error: {0}}" />
</DataTemplate>
<DataTernplate DataType="clr: Decimal">
<TextBlock
Text="{Binding StringFormat=Item Price: {0: C}}" />
</DataTemplate>

Answer: B

QUESTION 183
You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You create a WPF window in the application. You add the following code segment to the application.
1831
The DataContext property of the window is set to an instance of the ViewModel class. The Data property of the ViewModel instance is initialized with a collection of BusinessObject objects. You add a TextBox control to the window. You need to bind the Text property of the TextBox control to the Name property of the current item of the CollectionView of the DataContext object. You also need to ensure that when a binding error occurs, the Text property of the TextBox control is set to N/A .
Which binding expression should you use?

A.    {Binding Path=Data/Name, FallbackValue=’N/A’ }
B.    {Binding Path=Data.Name, FallbackValue=’N/A’ }
C.    {Binding Path=Data/Name, TargetNullValue=’N/A’ }
D.    {Binding Path=Data.Name, TargetNullValue=’N/A’ }

Answer: A

QUESTION 184
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.)
1841
You add the following code fragment within a WPF window control.
1842
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
Implements IDataErrorInfo
B.    Replace line 01 with the following code segment.
Public Class Contact
Inherits ValidationRule
C.    Replace line 01 with the following code segment.
Public Class Contact
Implements INotifyPropertyChanging
D.    Add the following code segment at line 03.
Public Event PropertyChanging As PropertyChangingEventHandler Modify line 08 with the following code
segment:
Set
If Me.PcopertyChanging <> Nothing Then
Proper:tyChanging(Me, New PropertyChangingEventArgs("ContactName")) End If If String. IsNull
OrEmpty(value) Then
Throw New ApplicationExceptionf’Contact name is required") End If contactNaroe = value
End Set
E.    Add the following code segment at line 12.
Public Readonly Property [Error] ()
As String
Get
Throw New Exception( string.Empty )
End Get End Property
Public Default Readonly Property Item(columnName As String) As String Get If columnName = "ContactName"
AndAlso String.IsNullOrEmpty(Me.ContactName) Then Return "Contact name is re quired"
End If
Return Nothing
End Get
End Property

Answer: AE

QUESTION 185
You are developing a Windows Presentation Foundation (WPF) application. This application will be used to display customer data to customer service representatives. Phone numbers are stored as ten-digit numbers in the database. The markup is as follows.
<TextBlock Text="{Binding Path=PhoneNumber,
ConvertersStaticResource PhoneFormatConverter}}" />
You need to ensure that phone numbers are displayed in the following format: (###) ### – #### Which markup segment should you use?

A.    Public Function Convert(
ByVal value As Object, ByVal targetType As Type,
ByVal parameter As Object, ByVal culture As CultureInfo) As Object
Return String.Format("{0:(###)###-####>",
CLng(parameter))
End Function
B.    Public Function Convert(
ByVal value As Object, ByVal targetType As Type,
ByVal parameter As Object, ByVal culture As CultureInfo) As Object
Return String.Format("{0:(###)###-####)",
CLng(value))
End Function
C.    Public Function ConvertBackf
ByVal value As Object, ByVal targetType As Type,
ByVal parameter As Object, ByVal culture As CultureInfo) As Object
Return String.Format("{0:[###)###-####}",
CLng(parameter))
End Function
D.    Public Function ConvertBack(
ByVal value As Object, ByVal targetType As Type,
ByVal parameter As Object, ByVal culture As CultureInfo) As Object
Return String. Format ("{0: (###)###-####>”,
CLng(value))
End Function

Answer: B

QUESTION 186
You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application.
You add a ListBox control to the application. The ListBox control is data-bound to an instance of a custom collection class of the Product objects named ProductList. You need to ensure that changes to ProductList are automatically reflected in the ListBox control.
What should you do?

A.    Implement the INotifyPropertyChanged interface in the Product class.
B.    Implement the IQueryable<Product> interface in the ProductList class.
C.    Extend the DependencyObject class in the Product class.
D.    Extend the ObservableCollection<Product> class in the ProductList class.

Answer: D

QUESTION 187
You are developing a Windows Presentation Foundation (WPF) application. You need to display HTML content from a Web page on the WPF form.
What should you do?

A.    Add a FlowDocumentReader control to the design surface.
Then create a FlowDocument control.
B.    Add a DocumentViewer control to the design surface.
Then create a FixedDocument control.
C.    Add a WebBrowser control to the design surface.
Then use the Navigate method to navigate the URI object.
D.    Add a ContentControl control to the design surface.
Then reference a WebClient object to return an HTML string.

Answer: C

QUESTION 188
You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You need to ensure that the application meets the following requirements:
– Displays a menu that is specific to the control selected by the user.
– Displays the menu next to the control.
Which control should you use?

A.    Menu
B.    Popup
C.    ListBox
D.    ContextMenu

Answer: D

QUESTION 189
You use Microsoft .NET Framework 4 to create a Windows Forms application. You need to allow the user interface to use the currently configured culture settings in the Control Panel.
Which code segment should you use?

A.    Thread.CurrentThread.CurrentUICulture = Thread.CurrentThread.CurrentCulture
B.    Thread.CurrentThread.CurrentCulture = Thread.CurrentThread.CurrentUICulture
C.    Thread.CurrentThread.CurrentUICulcure = CultureInfo.InstalledUICulture
D.    Thread.CurrentThread.CurrentCulture = CultureInfo.InstalledUICulture

Answer: A

QUESTION 190
You are developing a Windows Presentation Foundation (WPF) application. You are implementing the security features for a function that requires File 10. The callers of this function that are higher in the stack do not have permission to read the C:\temp directory. The function also accesses other resources that require permission. You need to ensure that the function has the proper permissions to read the C:\temp directory, and that all other resources in the function can still be accessed. Which attribute should you include with the function?

A.    <FileIOPeritiissionAttribute (
SecurityAction.Demand, Read:="C:\TEHP")>
B.    <FileIOPermissionAttribute(
SecurityAction.Assert, Read:= "C:\TEMP")>
C.    <FileIOPermissionAttribute(
SecurityAction.PermitOnly, Read:="C:\TEMP")>
D.    <FileIOPermissionAttribute(
SecurityAction.InheritanceDemand, Read:="C:\TEMP")>

Answer: B

Unabridged Pass4sure Microsoft 70-511 PDF Dumps Free Download