ExceptionMessageBox Class

Displays a message box that can be customized with text, buttons, and symbols to improve the customer experience with a Microsoft Windows .NET Framework-based application.

Inheritance Hierarchy

System.Object
  Microsoft.SqlServer.MessageBox.ExceptionMessageBox

Namespace:  Microsoft.SqlServer.MessageBox
Assembly:  Microsoft.ExceptionMessageBox (in Microsoft.ExceptionMessageBox.dll)

Syntax

'Declaration
<ComVisibleAttribute(False)> _
Public Class ExceptionMessageBox
'Usage
Dim instance As ExceptionMessageBox

[ComVisibleAttribute(false)]
public class ExceptionMessageBox

[ComVisibleAttribute(false)]
public ref class ExceptionMessageBox

[<ComVisibleAttribute(false)>]
type ExceptionMessageBox =  class end

public class ExceptionMessageBox

The ExceptionMessageBox type exposes the following members.

Constructors

	Name	Description
	ExceptionMessageBox()	Creates an instance of ExceptionMessageBox with the default properties.
	ExceptionMessageBox(Exception)	Creates an instance of ExceptionMessageBox by using information from the specified Exception.
	ExceptionMessageBox(String)	Creates an instance of ExceptionMessageBox with the supplied top-level error message text.
	ExceptionMessageBox(Exception, ExceptionMessageBoxButtons)	Creates an instance of ExceptionMessageBox by using information from the specified Exception and by specifying the buttons to display in the message box.
	ExceptionMessageBox(String, String)	Creates an instance of ExceptionMessageBox with the supplied top-level error message text and the dialog box caption of the exception message box.
	ExceptionMessageBox(Exception, ExceptionMessageBoxButtons, ExceptionMessageBoxSymbol)	Creates an instance of ExceptionMessageBox by using information from the specified Exception and by specifying the buttons and symbol to display in the message box.
	ExceptionMessageBox(String, String, ExceptionMessageBoxButtons)	Creates an instance of ExceptionMessageBox with the supplied top-level error message text and the dialog box caption of the exception message box. The method also specifies buttons to display in the exception message box.
	ExceptionMessageBox(Exception, ExceptionMessageBoxButtons, ExceptionMessageBoxSymbol, ExceptionMessageBoxDefaultButton)	Creates an instance of ExceptionMessageBox by using information from the specified Exception and by specifying the buttons, symbol, and default button to display in the exception message box. .
	ExceptionMessageBox(String, String, ExceptionMessageBoxButtons, ExceptionMessageBoxSymbol)	Creates an instance of ExceptionMessageBox with the supplied top-level error message text and dialog box caption of the exception message box. The method also specifies the buttons and symbol to display in the exception message box.
	ExceptionMessageBox(Exception, ExceptionMessageBoxButtons, ExceptionMessageBoxSymbol, ExceptionMessageBoxDefaultButton, ExceptionMessageBoxOptions)	Creates an instance of ExceptionMessageBox by using information from the specified Exception and by specifying the buttons, symbol, default button, and other properties to display in the exception message box.
	ExceptionMessageBox(String, String, ExceptionMessageBoxButtons, ExceptionMessageBoxSymbol, ExceptionMessageBoxDefaultButton)	Creates an instance of ExceptionMessageBox with the supplied top-level error message text and dialog box caption of the message box. The method also specifies the buttons, symbol, and default button to display in the exception message box.
	ExceptionMessageBox(String, String, ExceptionMessageBoxButtons, ExceptionMessageBoxSymbol, ExceptionMessageBoxDefaultButton, ExceptionMessageBoxOptions)	Infrastructure. Creates an instance of ExceptionMessageBox with the supplied top-level error message text and dialog box caption of the message box. The method also specifies the buttons, symbol, default button, and dialog options to display in the exception message box.

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Properties

	Name	Description
	AbortButtonText	Gets the default text for the Abort button.
	Beep	Specifies whether to play an audible sound when the message is displayed.
	Buttons	Gets or sets the buttons to display in the message box.
	CancelButtonText	Gets the default text for the Cancel button.
	Caption	Gets or sets the dialog box caption of the exception message box.
	CheckBoxRegistryKey	Sets an opened RegistryKey that controls the check box that is displayed on the exception message box when ShowCheckbox is true.
	CheckBoxRegistryMeansDoNotShowDialog	Determines whether the registry value content specified by CheckBoxRegistryKey and CheckBoxRegistryValue indicates a previous user decision not to view this message.
	CheckBoxRegistryValue	Gets or sets the registry value name that controls the check box on the exception message box when ShowCheckbox is true.
	CheckBoxText	Gets or sets the text to display in the check box on the exception message box when ShowCheckbox is true.
	CustomDialogResult	Gets the clicked custom text dialog button.
	CustomSymbol	Gets or sets a custom bitmap to use as the symbol on the exception message box.
	Data	Gets the IDictionary interface that stores help link and advanced information associated with the top-level message.
	DefaultButton	Gets or sets the default button on the message box.
	DefaultDialogResult	Gets or sets the value returned by the Show method when the user has previously indicated not to show a given message again.
	FailButtonText	Gets the default text for the Fail button.
	Font	Gets or sets the font used in the message box.
	HelpLink	Gets or sets the link to the help file or help Web page associated with the top-level message.
	IgnoreButtonText	Gets the default text for the Ignore button.
	InnerException	Gets or sets the Exception instance associated with the lower-level message(s).
	IsCheckBoxChecked	Specifies whether the check box is selected when ShowCheckbox is true.
	Message	Gets or sets the Exception that contains the message to display.
	MessageLevelDefault	Gets or sets the number of message levels to display in the message box.
	NoButtonText	Gets the default text for the No button
	OKButtonText	Gets the default text for the OK button
	Options	Gets or sets miscellaneous display options for the message box
	RetryButtonText	Gets the default text for the Retry button.
	ShowCheckBox	Specifies whether to show the check box in the exception message box.
	ShowToolBar	Specifies whether to show the command button toolbar on the exception message box.
	Symbol	Gets or sets the symbol to display in the exception message box.
	Text	Gets or sets the text of the top-level message to display in the exception message box
	UseOwnerFont	Specifies whether to retrieve the font of the owner window and use it as the font for the exception message box.
	YesButtonText	Gets the default text for the Yes button

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Methods

	Name	Description
	Equals	(Inherited from Object.)
	Finalize	(Inherited from Object.)
	GetHashCode	(Inherited from Object.)
	GetMessageText	Returns the string that a user can copy to the clipboard when the exception is displayed in an exception message box.
	GetType	(Inherited from Object.)
	MemberwiseClone	(Inherited from Object.)
	SetButtonText(String)	Sets the text for the custom text button when only one button is displayed in the exception message box.
	SetButtonText(String, String)	Sets the text for the custom text buttons when only two buttons are displayed in the exception message box.
	SetButtonText(String, String, String)	Sets the text for the custom text buttons when only three buttons are displayed in the exception message box.
	SetButtonText(String, String, String, String)	Sets the text for the custom text buttons when only four buttons are displayed in the exception message box.
	SetButtonText(String, String, String, String, String)	Sets the text for the custom text buttons when only five buttons are displayed in the exception message box.
	Show(IWin32Window)	Shows the exception message box as a modal dialog box centered on the parent window.
	Show(IntPtr, String, String, String, String, String, String, String)	Displays the exception message box. Identified for informational purposes only. Not supported. Future compatibility is not guaranteed.
	ToString	(Inherited from Object.)

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Events

	Name	Description
	OnCopyToClipboard	Occurs when exception message text is copied from the message box to the Clipboard.

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Examples

This example displays the message box with an OK button.

          try
            {
                // Do something that may generate an exception.
                throw new ApplicationException("An error has occured");
            }
            catch (ApplicationException ex)
            {
                // Define a new top-level error message.
                string str = "The action failed.";

                // Add the new top-level message to the handled exception.
                ApplicationException exTop = new ApplicationException(str, ex);
                exTop.Source = this.Text;

                // Show an exception message box with an OK button (the default).
                ExceptionMessageBox box = new ExceptionMessageBox(exTop);
                box.Show(this);
            }

Try
    ' Do something that may generate an exception.
    Throw New ApplicationException("An error has occured")
Catch ex As ApplicationException
    ' Define a new top-level error message.
    Dim str As String = "The action failed."

    ' Add the new top-level message to the handled exception.
    Dim exTop As ApplicationException = New ApplicationException(str, ex)
    exTop.Source = Me.Text

    ' Show an exception message box with an OK button (the default).
    Dim box As ExceptionMessageBox = New ExceptionMessageBox(exTop)
    box.Show(Me)
End Try

This example uses the exception message box to show additional information that is helpful when troubleshooting or debugging.

          try
            {
                // Do something that you don't expect to generate an exception.
                throw new ApplicationException("Failed to connect to the server.");
            }
            catch (ApplicationException ex)
            {
                string str = "An unexpected error occurred. Please call Helpdesk.";
                ApplicationException exTop = new ApplicationException(str, ex);
                exTop.Source = this.Text;

                // Information in the Data property of an exception that has a name
                // beginning with "HelpLink.Advanced" is shown when the user
                // clicks the Advanced Information button of the exception message
                // box dialog box.
                exTop.Data.Add("AdvancedInformation.FileName", "application.dll");
                exTop.Data.Add("AdvancedInformation.FilePosition", "line 355");
                exTop.Data.Add("AdvancedInformation.UserContext", "single user mode");

                // Show the exception message box with additional information that 
                // is helpful when a user calls technical support.
                ExceptionMessageBox box = new ExceptionMessageBox(exTop);

                box.Show(this);
            }

Try
    ' Do something that you don't expect to generate an exception.
    Throw New ApplicationException("Failed to connect to the server.")
Catch ex As ApplicationException
    Dim str As String = "An unexpected error occurred. Please call Helpdesk."
    Dim exTop As ApplicationException = New ApplicationException(str, ex)
    exTop.Source = Me.Text

    ' Information in the Data property of an exception that has a name
    ' beginning with "HelpLink.Advanced" is shown when the user
    ' clicks the Advanced Information button of the exception message
    ' box dialog box.
    exTop.Data.Add("AdvancedInformation.FileName", "application.dll")
    exTop.Data.Add("AdvancedInformation.FilePosition", "line 355")
    exTop.Data.Add("AdvancedInformation.UserContext", "single user mode")

    ' Show the exception message box with additional information that 
    ' is helpful when a user calls technical support.
    Dim box As ExceptionMessageBox = New ExceptionMessageBox(exTop)

    box.Show(Me)

End Try

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

See Also

Reference

Microsoft.SqlServer.MessageBox Namespace