Form.DialogResult Properti

Referensi

Definisi

Ruang nama:: System.Windows.Forms

Rakitan:: System.Windows.Forms.dll

Penting

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Mendapatkan atau mengatur hasil dialog untuk formulir.

public:
 property System::Windows::Forms::DialogResult DialogResult { System::Windows::Forms::DialogResult get(); void set(System::Windows::Forms::DialogResult value); };

[System.ComponentModel.Browsable(false)]
public System.Windows.Forms.DialogResult DialogResult { get; set; }

[<System.ComponentModel.Browsable(false)>]
member this.DialogResult : System.Windows.Forms.DialogResult with get, set

Public Property DialogResult As DialogResult

Nilai Properti

DialogResult

DialogResult yang mewakili hasil formulir saat digunakan sebagai kotak dialog.

Atribut: BrowsableAttribute

Pengecualian

InvalidEnumArgumentException

Nilai yang ditentukan berada di luar rentang nilai yang valid.

Contoh

Contoh berikut menampilkan formulir sebagai kotak dialog dan menampilkan kotak pesan yang menunjukkan apakah tombol OK atau Batal formulir diklik dengan merujuk properti DialogResult formulir.

void CreateMyForm()
{
   
   // Create a new instance of the form.
   Form^ form1 = gcnew Form;
   
   // Create two buttons to use as the accept and cancel buttons.
   Button^ button1 = gcnew Button;
   Button^ button2 = gcnew Button;
   
   // Set the text of button1 to "OK".
   button1->Text = "OK";
   
   // Set the position of the button on the form.
   button1->Location = Point(10,10);
   
   // Set the text of button2 to "Cancel".
   button2->Text = "Cancel";
   
   // Set the position of the button based on the location of button1.
   button2->Location = Point(button1->Left,button1->Height + button1->Top + 10);
   
   // Make button1's dialog result OK.
   button1->DialogResult = ::DialogResult::OK;
   
   // Make button2's dialog result Cancel.
   button2->DialogResult = ::DialogResult::Cancel;
   
   // Set the caption bar text of the form.   
   form1->Text = "My Dialog Box";
   
   // Define the border style of the form to a dialog box.
   form1->FormBorderStyle = ::FormBorderStyle::FixedDialog;
   
   // Set the accept button of the form to button1.
   form1->AcceptButton = button1;
   
   // Set the cancel button of the form to button2.
   form1->CancelButton = button2;
   
   // Set the start position of the form to the center of the screen.
   form1->StartPosition = FormStartPosition::CenterScreen;
   
   // Add button1 to the form.
   form1->Controls->Add( button1 );
   
   // Add button2 to the form.
   form1->Controls->Add( button2 );
   
   // Display the form as a modal dialog box.
   form1->ShowDialog();
   
   // Determine if the OK button was clicked on the dialog box.
   if ( form1->DialogResult == ::DialogResult::OK )
   {
      
      // Display a message box indicating that the OK button was clicked.
      MessageBox::Show( "The OK button on the form was clicked." );
      
      // Optional: Call the Dispose method when you are finished with the dialog box.
      delete form1;
   }
   else
   {
      
      // Display a message box indicating that the Cancel button was clicked.
      MessageBox::Show( "The Cancel button on the form was clicked." );
      
      // Optional: Call the Dispose method when you are finished with the dialog box.
      delete form1;
   }
}

public void CreateMyForm()
 {
    // Create a new instance of the form.
    Form form1 = new Form();
    // Create two buttons to use as the accept and cancel buttons.
    Button button1 = new Button ();
    Button button2 = new Button ();
   
    // Set the text of button1 to "OK".
    button1.Text = "OK";
    // Set the position of the button on the form.
    button1.Location = new Point (10, 10);
    // Set the text of button2 to "Cancel".
    button2.Text = "Cancel";
    // Set the position of the button based on the location of button1.
    button2.Location 
       = new Point (button1.Left, button1.Height + button1.Top + 10);
    // Make button1's dialog result OK.
    button1.DialogResult = DialogResult.OK;
    // Make button2's dialog result Cancel.
    button2.DialogResult = DialogResult.Cancel;
    // Set the caption bar text of the form.   
    form1.Text = "My Dialog Box";
 
    // Define the border style of the form to a dialog box.
    form1.FormBorderStyle = FormBorderStyle.FixedDialog;
    // Set the accept button of the form to button1.
    form1.AcceptButton = button1;
    // Set the cancel button of the form to button2.
    form1.CancelButton = button2;
    // Set the start position of the form to the center of the screen.
    form1.StartPosition = FormStartPosition.CenterScreen;
    
    // Add button1 to the form.
    form1.Controls.Add(button1);
    // Add button2 to the form.
    form1.Controls.Add(button2);
    
    // Display the form as a modal dialog box.
    form1.ShowDialog();
 
    // Determine if the OK button was clicked on the dialog box.
    if (form1.DialogResult == DialogResult.OK)
    {
       // Display a message box indicating that the OK button was clicked.
       MessageBox.Show("The OK button on the form was clicked.");
       // Optional: Call the Dispose method when you are finished with the dialog box.
       form1.Dispose();
    }
    else
    {
       // Display a message box indicating that the Cancel button was clicked.
       MessageBox.Show("The Cancel button on the form was clicked.");
       // Optional: Call the Dispose method when you are finished with the dialog box.
       form1.Dispose();
    }
 }

Public Sub CreateMyForm()
    ' Create a new instance of the form.
    Dim form1 As New Form()
    ' Create two buttons to use as the accept and cancel buttons.
    Dim button1 As New Button()
    Dim button2 As New Button()
    
    ' Set the text of button1 to "OK".
    button1.Text = "OK"
    ' Set the position of the button on the form.
    button1.Location = New Point(10, 10)
    ' Set the text of button2 to "Cancel".
    button2.Text = "Cancel"
    ' Set the position of the button based on the location of button1.
    button2.Location = New Point(button1.Left, button1.Height + button1.Top + 10)
    ' Make button1's dialog result OK.
    button1.DialogResult = DialogResult.OK
    ' Make button2's dialog result Cancel.
    button2.DialogResult = DialogResult.Cancel
    ' Set the caption bar text of the form.   
    form1.Text = "My Dialog Box"
    
    ' Define the border style of the form to a dialog box.
    form1.FormBorderStyle = FormBorderStyle.FixedDialog
    ' Set the accept button of the form to button1.
    form1.AcceptButton = button1
    ' Set the cancel button of the form to button2.
    form1.CancelButton = button2
    ' Set the start position of the form to the center of the screen.
    form1.StartPosition = FormStartPosition.CenterScreen
    
    ' Add button1 to the form.
    form1.Controls.Add(button1)
    ' Add button2 to the form.
    form1.Controls.Add(button2)
    
    ' Display the form as a modal dialog box.
    form1.ShowDialog()
    
    ' Determine if the OK button was clicked on the dialog box.
    If form1.DialogResult = DialogResult.OK Then
        ' Display a message box indicating that the OK button was clicked.
        MessageBox.Show("The OK button on the form was clicked.")
        ' Optional: Call the Dispose method when you are finished with the dialog box.
        form1.Dispose
    ' Display a message box indicating that the Cancel button was clicked.
    Else
        MessageBox.Show("The Cancel button on the form was clicked.")
        ' Optional: Call the Dispose method when you are finished with the dialog box.
        form1.Dispose
    End If
End Sub

Keterangan

Hasil dialog formulir adalah nilai yang dikembalikan dari formulir saat ditampilkan sebagai kotak dialog modal. Jika formulir ditampilkan sebagai kotak dialog, mengatur properti ini dengan nilai dari DialogResult enumerasi mengatur nilai hasil kotak dialog untuk formulir, menyembunyikan kotak dialog modal, dan mengembalikan kontrol ke formulir panggilan. Properti ini biasanya diatur oleh DialogResult properti Button kontrol pada formulir. Saat pengguna mengklik Button kontrol, nilai yang ditetapkan ke DialogResult properti Button ditetapkan ke DialogResult properti formulir.

Saat formulir ditampilkan sebagai kotak dialog modal, mengklik tombol Tutup (tombol dengan X di sudut kanan atas formulir) menyebabkan formulir disembunyikan dan DialogResult properti diatur ke DialogResult.Cancel. Metode Close ini tidak dipanggil secara otomatis saat pengguna mengklik tombol Tutup kotak dialog atau mengatur nilai DialogResult properti. Sebaliknya, formulir disembunyikan dan dapat ditampilkan lagi tanpa membuat instans baru kotak dialog. Karena perilaku ini, Anda harus memanggil Dispose metode formulir ketika formulir tidak lagi diperlukan oleh aplikasi Anda.

Anda bisa menggunakan properti ini untuk menentukan bagaimana kotak dialog ditutup untuk memproses tindakan yang dilakukan dalam kotak dialog dengan benar.

Catatan

Anda dapat mengganti nilai yang ditetapkan ke DialogResult properti saat pengguna mengklik tombol Tutup dengan mengatur DialogResult properti dalam penanganan aktivitas untuk Closing peristiwa formulir.

Catatan

Form Jika ditampilkan sebagai jendela tanpa mode, nilai yang dikembalikan oleh DialogResult properti mungkin tidak mengembalikan nilai yang ditetapkan ke formulir karena sumber daya formulir secara otomatis dirilis saat formulir ditutup.

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