Wyliczenie ExceptionMessageBoxDefaultButton
Ustawia domyślny przycisk w oknie komunikatu wyjątek.
Przestrzeń nazw: Microsoft.SqlServer.MessageBox
Zestaw: Microsoft.ExceptionMessageBox (w Microsoft.ExceptionMessageBox.dll)
Syntax
'Deklaracja
Public Enumeration ExceptionMessageBoxDefaultButton
'Użycie
Dim instance As ExceptionMessageBoxDefaultButton
public enum ExceptionMessageBoxDefaultButton
public enum class ExceptionMessageBoxDefaultButton
type ExceptionMessageBoxDefaultButton
public enum ExceptionMessageBoxDefaultButton
Elementy członkowskie
Nazwa elementu członkowskiego | Opis | |
---|---|---|
Button1 | Pierwszy przycisk jest przyciskiem domyślnym. | |
Button2 | Drugi przycisk jest przyciskiem domyślnym. | |
Button3 | Trzeci przycisk jest przyciskiem domyślnym. | |
Button4 | Czwarty przycisk jest przyciskiem domyślnym. | |
Button5 | Piąty przycisk jest przyciskiem domyślnym. |
Przykłady
try
{
// Do something that may cause an exception.
throw new ApplicationException("An error has occured");
}
catch (ApplicationException ex)
{
string str = "Action failed. What do you want to do?";
ApplicationException exTop = new ApplicationException(str, ex);
exTop.Source = this.Text;
// Show the exception message box with three custom buttons.
ExceptionMessageBox box = new ExceptionMessageBox(exTop);
// Set the names of the three custom buttons.
box.SetButtonText("Skip", "Retry", "Stop Processing");
// Set the Retry button as the default.
box.DefaultButton = ExceptionMessageBoxDefaultButton.Button2;
box.Symbol = ExceptionMessageBoxSymbol.Question;
box.Buttons = ExceptionMessageBoxButtons.Custom;
box.Show(this);
// Do something, depending on the button that the user clicks.
switch (box.CustomDialogResult)
{
case ExceptionMessageBoxDialogResult.Button1:
// Skip action
break;
case ExceptionMessageBoxDialogResult.Button2:
// Retry action
break;
case ExceptionMessageBoxDialogResult.Button3:
// Stop processing action
break;
}
}
Try
' Do something that may cause an exception.
Throw New ApplicationException("An error has occured")
Catch ex As ApplicationException
Dim str As String = "Action failed. What do you want to do?"
Dim exTop As ApplicationException = New ApplicationException(str, ex)
exTop.Source = Me.Text
' Show the exception message box with three custom buttons.
Dim box As ExceptionMessageBox = New ExceptionMessageBox(exTop)
' Set the names of the three custom buttons.
box.SetButtonText("Skip", "Retry", "Stop Processing")
' Set the Retry button as the default.
box.DefaultButton = ExceptionMessageBoxDefaultButton.Button2
box.Symbol = ExceptionMessageBoxSymbol.Question
box.Buttons = ExceptionMessageBoxButtons.Custom
box.Show(Me)
' Do something, depending on the button that the user clicks.
Select Case box.CustomDialogResult
Case ExceptionMessageBoxDialogResult.Button1
' Skip action
Case ExceptionMessageBoxDialogResult.Button2
' Retry action
Case ExceptionMessageBoxDialogResult.Button3
' Stop processing action
End Select
End Try