LinkLabelLinkClickedEventArgs.Link Özellik
Tanım
Önemli
Bazı bilgiler ürünün ön sürümüyle ilgilidir ve sürüm öncesinde önemli değişiklikler yapılmış olabilir. Burada verilen bilgilerle ilgili olarak Microsoft açık veya zımni hiçbir garanti vermez.
LinkLabel.Link Tıklanan öğesini alır.
public:
property System::Windows::Forms::LinkLabel::Link ^ Link { System::Windows::Forms::LinkLabel::Link ^ get(); };
public System.Windows.Forms.LinkLabel.Link Link { get; }
public System.Windows.Forms.LinkLabel.Link? Link { get; }
member this.Link : System.Windows.Forms.LinkLabel.Link
Public ReadOnly Property Link As LinkLabel.Link
Özellik Değeri
üzerindeki LinkLabelbir bağlantı.
Örnekler
Aşağıdaki kod örneği, bir formda etiket görüntülemek için birden çok LinkArea bölüm tanımlanmış şekilde sınıfını LinkLabel kullanmayı gösterir. Örnekte , , LinkBehavior, DisabledLinkColorLinkColorve VisitedLinkColor özelliklerinin görünümünü özelleştirmek için ayarlanması AutoSizegösterilmektedirLinkLabel. birincisi LinkArea özelliği kullanılarak LinkLabel.LinkArea belirtilir. yöntemi kullanılarak LinkLabel.LinkCollection.Add öğesine LinkLabel ek bağlantılar eklenir. Örnek, köprüler LinkClicked için Web tarayıcısını başlatarak ve diğer bağlantılar için bir MessageBox görüntüleyerek olayı işler.
#using <System.dll>
#using <System.Windows.Forms.dll>
#using <System.Drawing.dll>
using namespace System;
using namespace System::Drawing;
using namespace System::Windows::Forms;
public ref class Form1: public System::Windows::Forms::Form
{
private:
System::Windows::Forms::LinkLabel^ linkLabel1;
public:
Form1()
{
// Create the LinkLabel.
this->linkLabel1 = gcnew System::Windows::Forms::LinkLabel;
// Configure the LinkLabel's size and location. Specify that the
// size should be automatically determined by the content.
this->linkLabel1->Location = System::Drawing::Point( 34, 56 );
this->linkLabel1->Size = System::Drawing::Size( 224, 16 );
this->linkLabel1->AutoSize = true;
// Configure the appearance.
this->linkLabel1->DisabledLinkColor = System::Drawing::Color::Red;
this->linkLabel1->VisitedLinkColor = System::Drawing::Color::Blue;
this->linkLabel1->LinkBehavior = System::Windows::Forms::LinkBehavior::HoverUnderline;
this->linkLabel1->LinkColor = System::Drawing::Color::Navy;
this->linkLabel1->TabIndex = 0;
this->linkLabel1->TabStop = true;
// Add an event handler to do something when the links are clicked.
this->linkLabel1->LinkClicked += gcnew System::Windows::Forms::LinkLabelLinkClickedEventHandler( this, &Form1::linkLabel1_LinkClicked );
// Identify what the first Link is.
this->linkLabel1->LinkArea = System::Windows::Forms::LinkArea( 0, 8 );
// Identify that the first link is visited already.
this->linkLabel1->Links[ 0 ]->Visited = true;
// Set the Text property to a String*.
this->linkLabel1->Text = "Register Online. Visit Microsoft. Visit MSN.";
// Create new links using the Add method of the LinkCollection class.
// Underline the appropriate words in the LinkLabel's Text property.
// The words 'Register', 'Microsoft', and 'MSN' will
// all be underlined and behave as hyperlinks.
// First check that the Text property is long enough to accommodate
// the desired hyperlinked areas. If it's not, don't add hyperlinks.
if ( this->linkLabel1->Text->Length >= 45 )
{
this->linkLabel1->Links[ 0 ]->LinkData = "Register";
this->linkLabel1->Links->Add( 24, 9, "www.microsoft.com" );
this->linkLabel1->Links->Add( 42, 3, "www.msn.com" );
this->linkLabel1->Links[ 1 ]->Enabled = false;
}
// Set up how the form should be displayed and add the controls to the form.
this->ClientSize = System::Drawing::Size( 292, 266 );
array<System::Windows::Forms::Control^>^temp0 = {this->linkLabel1};
this->Controls->AddRange( temp0 );
this->Text = "Link Label Example";
}
private:
void linkLabel1_LinkClicked( Object^ /*sender*/, System::Windows::Forms::LinkLabelLinkClickedEventArgs^ e )
{
// Determine which link was clicked within the LinkLabel.
this->linkLabel1->Links[ linkLabel1->Links->IndexOf( e->Link ) ]->Visited = true;
// Display the appropriate link based on the value of the
// LinkData property of the Link Object*.
String^ target = dynamic_cast<String^>(e->Link->LinkData);
// If the value looks like a URL, navigate to it.
// Otherwise, display it in a message box.
if ( nullptr != target && target->StartsWith( "www" ) )
{
System::Diagnostics::Process::Start( target );
}
else
{
MessageBox::Show( "Item clicked: {0}", target );
}
}
};
[STAThread]
int main()
{
Application::Run( gcnew Form1 );
}
using System;
using System.Drawing;
using System.Windows.Forms;
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.LinkLabel linkLabel1;
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
public Form1()
{
// Create the LinkLabel.
this.linkLabel1 = new System.Windows.Forms.LinkLabel();
// Configure the LinkLabel's size and location. Specify that the
// size should be automatically determined by the content.
this.linkLabel1.Location = new System.Drawing.Point(34, 56);
this.linkLabel1.Size = new System.Drawing.Size(224, 16);
this.linkLabel1.AutoSize = true;
// Configure the appearance.
// Set the DisabledLinkColor so that a disabled link will show up against the form's background.
this.linkLabel1.DisabledLinkColor = System.Drawing.Color.Red;
this.linkLabel1.VisitedLinkColor = System.Drawing.Color.Blue;
this.linkLabel1.LinkBehavior = System.Windows.Forms.LinkBehavior.HoverUnderline;
this.linkLabel1.LinkColor = System.Drawing.Color.Navy;
this.linkLabel1.TabIndex = 0;
this.linkLabel1.TabStop = true;
// Add an event handler to do something when the links are clicked.
this.linkLabel1.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler(this.linkLabel1_LinkClicked);
// Identify what the first Link is.
this.linkLabel1.LinkArea = new System.Windows.Forms.LinkArea(0, 8);
// Identify that the first link is visited already.
this.linkLabel1.Links[0].Visited = true;
// Set the Text property to a string.
this.linkLabel1.Text = "Register Online. Visit Microsoft. Visit MSN.";
// Create new links using the Add method of the LinkCollection class.
// Underline the appropriate words in the LinkLabel's Text property.
// The words 'Register', 'Microsoft', and 'MSN' will
// all be underlined and behave as hyperlinks.
// First check that the Text property is long enough to accommodate
// the desired hyperlinked areas. If it's not, don't add hyperlinks.
if(this.linkLabel1.Text.Length >= 45)
{
this.linkLabel1.Links[0].LinkData = "Register";
this.linkLabel1.Links.Add(24, 9, "www.microsoft.com");
this.linkLabel1.Links.Add(42, 3, "www.msn.com");
// The second link is disabled and will appear as red.
this.linkLabel1.Links[1].Enabled = false;
}
// Set up how the form should be displayed and add the controls to the form.
this.ClientSize = new System.Drawing.Size(292, 266);
this.Controls.AddRange(new System.Windows.Forms.Control[] {this.linkLabel1});
this.Text = "Link Label Example";
}
private void linkLabel1_LinkClicked(object sender, System.Windows.Forms.LinkLabelLinkClickedEventArgs e)
{
// Determine which link was clicked within the LinkLabel.
this.linkLabel1.Links[linkLabel1.Links.IndexOf(e.Link)].Visited = true;
// Display the appropriate link based on the value of the
// LinkData property of the Link object.
string target = e.Link.LinkData as string;
// If the value looks like a URL, navigate to it.
// Otherwise, display it in a message box.
if(null != target && target.StartsWith("www"))
{
System.Diagnostics.Process.Start(target);
}
else
{
MessageBox.Show("Item clicked: " + target);
}
}
}
Imports System.Drawing
Imports System.Windows.Forms
Public NotInheritable Class Form1
Inherits System.Windows.Forms.Form
Friend WithEvents LinkLabel1 As System.Windows.Forms.LinkLabel
<System.STAThread()> _
Public Shared Sub Main()
System.Windows.Forms.Application.Run(New Form1)
End Sub
Public Sub New()
MyBase.New()
Me.LinkLabel1 = New System.Windows.Forms.LinkLabel
' Configure the LinkLabel's size and location. Specify that the
' size should be automatically determined by the content.
Me.linkLabel1.Location = New System.Drawing.Point(34, 56)
Me.linkLabel1.Size = New System.Drawing.Size(224, 16)
Me.linkLabel1.AutoSize = True
' Configure the appearance.
' Set the DisabledLinkColor so that a disabled link will show up against the form's background.
Me.linkLabel1.DisabledLinkColor = System.Drawing.Color.Red
Me.linkLabel1.VisitedLinkColor = System.Drawing.Color.Blue
Me.linkLabel1.LinkBehavior = System.Windows.Forms.LinkBehavior.HoverUnderline
Me.linkLabel1.LinkColor = System.Drawing.Color.Navy
Me.linkLabel1.TabIndex = 0
Me.linkLabel1.TabStop = True
' Identify what the first Link is.
Me.linkLabel1.LinkArea = New System.Windows.Forms.LinkArea(0, 8)
' Identify that the first link is visited already.
Me.linkLabel1.Links(0).Visited = true
' Set the Text property to a string.
Me.linkLabel1.Text = "Register Online. Visit Microsoft. Visit MSN."
' Create new links using the Add method of the LinkCollection class.
' Underline the appropriate words in the LinkLabel's Text property.
' The words 'Register', 'Microsoft', and 'MSN' will
' all be underlined and behave as hyperlinks.
' First check that the Text property is long enough to accommodate
' the desired hyperlinked areas. If it's not, don't add hyperlinks.
If Me.LinkLabel1.Text.Length >= 45 Then
Me.LinkLabel1.Links(0).LinkData = "Register"
Me.LinkLabel1.Links.Add(24, 9, "www.microsoft.com")
Me.LinkLabel1.Links.Add(42, 3, "www.msn.com")
' The second link is disabled and will appear as red.
Me.linkLabel1.Links(1).Enabled = False
End If
' Set up how the form should be displayed and adds the controls to the form.
Me.ClientSize = New System.Drawing.Size(292, 266)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.LinkLabel1})
Me.Text = "Link Label Example"
End Sub
Private Sub linkLabel1_LinkClicked(ByVal sender As Object, _
ByVal e As System.Windows.Forms.LinkLabelLinkClickedEventArgs) Handles LinkLabel1.LinkClicked
' Determine which link was clicked within the LinkLabel.
Me.LinkLabel1.Links(LinkLabel1.Links.IndexOf(e.Link)).Visited = True
' Displays the appropriate link based on the value of the LinkData property of the Link object.
Dim target As String = CType(e.Link.LinkData, String)
' If the value looks like a URL, navigate to it.
' Otherwise, display it in a message box.
If (target IsNot Nothing) AndAlso (target.StartsWith("www")) Then
System.Diagnostics.Process.Start(target)
Else
MessageBox.Show(("Item clicked: " + target))
End If
End Sub
End Class