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DebuggerTypeProxyAttribute Constructors

Definition

Initializes a new instance of the DebuggerTypeProxyAttribute class using the type of the proxy.

Overloads

DebuggerTypeProxyAttribute(String)

Initializes a new instance of the DebuggerTypeProxyAttribute class using the type name of the proxy.

DebuggerTypeProxyAttribute(Type)

Initializes a new instance of the DebuggerTypeProxyAttribute class using the type of the proxy.

DebuggerTypeProxyAttribute(String)

Source:
DebuggerTypeProxyAttribute.cs
Source:
DebuggerTypeProxyAttribute.cs
Source:
DebuggerTypeProxyAttribute.cs

Initializes a new instance of the DebuggerTypeProxyAttribute class using the type name of the proxy.

public:
 DebuggerTypeProxyAttribute(System::String ^ typeName);
public DebuggerTypeProxyAttribute (string typeName);
new System.Diagnostics.DebuggerTypeProxyAttribute : string -> System.Diagnostics.DebuggerTypeProxyAttribute
Public Sub New (typeName As String)

Parameters

typeName
String

The type name of the proxy type.

Remarks

The debugger creates a new instance of the type proxy class every time it needs to display a variable of the target type. This can have performance implications. As a result, you should not do any more work in the constructor than absolutely necessary.

Applies to

DebuggerTypeProxyAttribute(Type)

Source:
DebuggerTypeProxyAttribute.cs
Source:
DebuggerTypeProxyAttribute.cs
Source:
DebuggerTypeProxyAttribute.cs

Initializes a new instance of the DebuggerTypeProxyAttribute class using the type of the proxy.

public:
 DebuggerTypeProxyAttribute(Type ^ type);
public DebuggerTypeProxyAttribute (Type type);
new System.Diagnostics.DebuggerTypeProxyAttribute : Type -> System.Diagnostics.DebuggerTypeProxyAttribute
Public Sub New (type As Type)

Parameters

type
Type

The proxy type.

Exceptions

type is null.

Examples

The following code example shows the use of the DebuggerTypeProxyAttribute(Type) constructor to specify a debugger display proxy. This code example is part of a larger example provided for the DebuggerDisplayAttribute class.

[DebuggerTypeProxy(HashtableDebugView::typeid)]
ref class MyHashtable : Hashtable
{
private:
    static const String^ TestString = "This should not appear in the debug window.";

internal:
    ref class HashtableDebugView
    {
    private:
        Hashtable^ hashtable;
    public:
        static const String^ TestString = "This should appear in the debug window.";
        HashtableDebugView(Hashtable^ hashtable)
        {
            this->hashtable = hashtable;
        }

        [DebuggerBrowsable(DebuggerBrowsableState::RootHidden)]
        property array<KeyValuePairs^>^ Keys
        {
            array<KeyValuePairs^>^ get()
            {
                array<KeyValuePairs^>^ keys = gcnew array<KeyValuePairs^>(hashtable->Count);

                IEnumerator^ ie = hashtable->Keys->GetEnumerator();
                int i = 0;
                Object^ key;
                while (ie->MoveNext())
                {
                    key = ie->Current;
                    keys[i] = gcnew KeyValuePairs(hashtable, key, hashtable[key]);
                    i++;
                }
                return keys;
            }
        }
    };
};
[DebuggerTypeProxy(typeof(HashtableDebugView))]
class MyHashtable : Hashtable
{
    private const string TestString = "This should not appear in the debug window.";

    internal class HashtableDebugView
    {
        private Hashtable hashtable;
        public const string TestString = "This should appear in the debug window.";
        public HashtableDebugView(Hashtable hashtable)
        {
            this.hashtable = hashtable;
        }

        [DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
        public KeyValuePairs[] Keys
        {
            get
            {
                KeyValuePairs[] keys = new KeyValuePairs[hashtable.Count];

                int i = 0;
                foreach(object key in hashtable.Keys)
                {
                    keys[i] = new KeyValuePairs(hashtable, key, hashtable[key]);
                    i++;
                }
                return keys;
            }
        }
    }
}
<DebuggerDisplay("Count = {Count}"), DebuggerTypeProxy(GetType(MyHashtable.HashtableDebugView))> _
Class MyHashtable
    Inherits Hashtable
    Private Const TestString As String = "This should not appear in the debug window."

    Friend Class HashtableDebugView
        Private hashtable As Hashtable
        Public Shared TestString As String = "This should appear in the debug window."

        Public Sub New(ByVal hashtable As Hashtable)
            Me.hashtable = hashtable
        End Sub

        <DebuggerBrowsable(DebuggerBrowsableState.RootHidden)> _
        ReadOnly Property Keys as KeyValuePairs()
            Get
                Dim nkeys(hashtable.Count) as KeyValuePairs

                Dim i as Integer = 0
                For Each key As Object In hashtable.Keys
                    nkeys(i) = New KeyValuePairs(hashtable, key, hashtable(key))
                    i = i + 1
                Next
                Return nkeys
            End Get
        End Property

    End Class
End Class

Remarks

The debugger creates a new instance of the type proxy class every time it needs to display a variable of the target type. This can have performance implications. As a result, you should not do any more work in the constructor than absolutely necessary.

Applies to