CryptographicException Kelas
Penting
Beberapa informasi terkait produk prarilis yang dapat diubah secara signifikan sebelum dirilis. Microsoft tidak memberikan jaminan, tersirat maupun tersurat, sehubungan dengan informasi yang diberikan di sini.
Pengecualian yang dilemparkan ketika kesalahan terjadi selama operasi kriptografi.
public ref class CryptographicException : SystemExceptionpublic ref class CryptographicException : Exceptionpublic class CryptographicException : SystemExceptionpublic class CryptographicException : Exception[System.Serializable]
public class CryptographicException : SystemException[System.Serializable]
[System.Runtime.InteropServices.ComVisible(true)]
public class CryptographicException : SystemExceptiontype CryptographicException = class
inherit SystemExceptiontype CryptographicException = class
inherit Exception[<System.Serializable>]
type CryptographicException = class
inherit SystemException[<System.Serializable>]
[<System.Runtime.InteropServices.ComVisible(true)>]
type CryptographicException = class
inherit SystemExceptionPublic Class CryptographicException
Inherits SystemExceptionPublic Class CryptographicException
Inherits Exception- Warisan
- Warisan
- Turunan
- Atribut
Contoh kode berikut menunjukkan cara menggunakan anggota kelas CryptographicException.
using namespace System;
using namespace System::Text;
using namespace System::Security::Cryptography;
using namespace System::Runtime::Serialization;
ref class CryptographicExceptionMembers
{
public:
static void Run()
{
CryptographicExceptionMembers^ testRun = gcnew CryptographicExceptionMembers;
testRun->TestConstructors();
testRun->ShowProperties();
Console::WriteLine( L"This sample ended successfully; "
L" press Enter to exit." );
Console::ReadLine();
}
private:
// Test each public implementation of the CryptographicException
// constructors.
void TestConstructors()
{
EmptyConstructor();
IntConstructor();
StringConstructor();
StringExceptionConstructor();
StringStringConstructor();
}
void EmptyConstructor()
{
// Construct a CryptographicException with no parameters.
CryptographicException^ cryptographicException = gcnew CryptographicException;
Console::WriteLine( L"Created an empty CryptographicException." );
}
void IntConstructor()
{
// Construct a CryptographicException using the error code for an
// unexpected operation exception.
int exceptionNumber = (int)0x80131431;
CryptographicException^ cryptographicException = gcnew CryptographicException( exceptionNumber );
Console::WriteLine( L"Created a CryptographicException with the "
L"following error code: {0}", exceptionNumber );
}
void StringConstructor()
{
// Construct a CryptographicException using a custom error message.
String^ errorMessage = (L"Unexpected Operation exception.");
CryptographicException^ cryptographicException = gcnew CryptographicException( errorMessage );
Console::WriteLine( L"Created a CryptographicException with the "
L"following error message: {0}", errorMessage );
}
void StringExceptionConstructor()
{
// Construct a CryptographicException using a custom error message
// and an inner exception.
String^ errorMessage = (L"The current operation is not supported.");
NullReferenceException^ nullException = gcnew NullReferenceException;
CryptographicException^ cryptographicException = gcnew CryptographicException( errorMessage,nullException );
Console::WriteLine( L"Created a CryptographicException with the "
L"following error message: {0} and the inner exception of {1}", errorMessage, nullException );
}
void StringStringConstructor()
{
// Create a CryptographicException using a time format and a the
// current date.
String^ dateFormat = L"{0:t}";
String^ timeStamp = (DateTime::Now.ToString());
CryptographicException^ cryptographicException = gcnew CryptographicException( dateFormat,timeStamp );
Console::WriteLine( L"Created a CryptographicException with ({0}) as the format and ({1}) as the message.", dateFormat, timeStamp );
}
// Construct an invalid DSACryptoServiceProvider to throw a
// CryptographicException for introspection.
void ShowProperties()
{
try
{
// Create a DSACryptoServiceProvider with invalid provider type
// code to throw a CryptographicException exception.
CspParameters^ cspParams = gcnew CspParameters( 44 );
DSACryptoServiceProvider^ DSAalg = gcnew DSACryptoServiceProvider( cspParams );
}
catch ( CryptographicException^ ex )
{
// Retrieve the link to the help file for the exception.
String^ helpLink = ex->HelpLink;
// Retrieve the exception that caused the current
// CryptographicException exception.
System::Exception^ innerException = ex->InnerException;
String^ innerExceptionMessage = L"";
if ( innerException != nullptr )
{
innerExceptionMessage = innerException->ToString();
}
// Retrieve the message that describes the exception.
String^ message = ex->Message;
// Retrieve the name of the application that caused the exception.
String^ exceptionSource = ex->Source;
// Retrieve the call stack at the time the exception occurred.
String^ stackTrace = ex->StackTrace;
// Retrieve the method that threw the exception.
System::Reflection::MethodBase^ targetSite = ex->TargetSite;
String^ siteName = targetSite->Name;
// Retrieve the entire exception as a single string.
String^ entireException = ex->ToString();
// GetObjectData
setSerializationInfo( &ex );
// Get the root exception that caused the current
// CryptographicException exception.
System::Exception^ baseException = ex->GetBaseException();
String^ baseExceptionMessage = L"";
if ( baseException != nullptr )
{
baseExceptionMessage = baseException->Message;
}
Console::WriteLine( L"Caught an expected exception:" );
Console::WriteLine( entireException );
Console::WriteLine( L"\n" );
Console::WriteLine( L"Properties of the exception are as follows:" );
Console::WriteLine( L"Message: {0}", message );
Console::WriteLine( L"Source: {0}", exceptionSource );
Console::WriteLine( L"Stack trace: {0}", stackTrace );
Console::WriteLine( L"Help link: {0}", helpLink );
Console::WriteLine( L"Target site's name: {0}", siteName );
Console::WriteLine( L"Base exception message: {0}", baseExceptionMessage );
Console::WriteLine( L"Inner exception message: {0}", innerExceptionMessage );
}
}
void setSerializationInfo( interior_ptr<CryptographicException^> ex )
{
// Insert information about the exception into a serialized object.
FormatterConverter^ formatConverter = gcnew FormatterConverter;
SerializationInfo^ serializationInfo = gcnew SerializationInfo( ( *ex)->GetType(),formatConverter );
StreamingContext streamingContext = StreamingContext(StreamingContextStates::All);
( *ex)->GetObjectData( serializationInfo, streamingContext );
}
};
void main()
{
CryptographicExceptionMembers::Run();
}
//
// This sample produces the following output:
//
// Created an empty CryptographicException.
// Created a CryptographicException with the following error code: -2146233295
// Created a CryptographicException with the following error message:
// Unexpected Operation exception.
// Created a CryptographicException with the following error message: The
// current operation is not supported. and the inner exception of
// System.NullReferenceException: Object reference not set to an instance of
// an object.
// Created a CryptographicException with ({0:t}) as the format and (2/24/2004
// 2:13:15 PM) as the message.
// Caught an expected exception:
// System.Security.Cryptography.CryptographicException: CryptoAPI
// cryptographic service provider (CSP) for this implementation could not be
// acquired.
// at System.Security.Cryptography.DSACryptoServiceProvider..ctor(Int32
// dwKeySize, CspParameters parameters)
// at System.Security.Cryptography.DSACryptoServiceProvider..ctor(
// CspParametersparameters)
// at CryptographicExceptionMembers.ShowProperties() in c:\inetpub\
// vssolutions\test\testbuild\consoleapplication1\class1.cs:line 109
//
//
// Properties of the exception are as follows:
// Message: CryptoAPI cryptographic service provider (CSP) for this
// implementation could not be acquired.
// Source: mscorlib
// Stack trace:
// at System.Security.Cryptography.DSACryptoServiceProvider..ctor(
// Int32 dwKeySize, CspParameters parameters)
// at System.Security.Cryptography.DSACryptoServiceProvider..ctor(
// CspParameters parameters)
// at CryptographicExceptionMembers.ShowProperties() in c:\inetpub\
// vssolutions\test\testbuild\consoleapplication1\class1.cs:line 109
// Help link:
// Target site's name: .ctor
// Base exception message: CryptoAPI cryptographic service provider (CSP) for
// this implementation could not be acquired.
// Inner exception message:
// This sample ended successfully; press Enter to exit.
using System;
using System.Text;
using System.Security.Cryptography;
using System.Runtime.Serialization;
class CryptographicExceptionMembers
{
[STAThread]
public static void Main(string[] args)
{
CryptographicExceptionMembers testRun =
new CryptographicExceptionMembers();
testRun.TestConstructors();
testRun.ShowProperties();
Console.WriteLine("This sample ended successfully; " +
" press Enter to exit.");
Console.ReadLine();
}
// Test each public implementation of the CryptographicException
// constructors.
private void TestConstructors()
{
EmptyConstructor();
IntConstructor();
StringConstructor();
StringExceptionConstructor();
StringStringConstructor();
}
private void EmptyConstructor()
{
// Construct a CryptographicException with no parameters.
CryptographicException cryptographicException =
new CryptographicException();
Console.WriteLine("Created an empty CryptographicException.");
}
private void IntConstructor()
{
// Construct a CryptographicException using the error code for an
// unexpected operation exception.
int exceptionNumber = unchecked((int)0x80131431);
CryptographicException cryptographicException =
new CryptographicException(exceptionNumber);
Console.WriteLine("Created a CryptographicException with the " +
"following error code: " + exceptionNumber);
}
private void StringConstructor()
{
// Construct a CryptographicException using a custom error message.
string errorMessage = ("Unexpected Operation exception.");
CryptographicException cryptographicException =
new CryptographicException(errorMessage);
Console.WriteLine("Created a CryptographicException with the " +
"following error message: " + errorMessage);
}
private void StringExceptionConstructor()
{
// Construct a CryptographicException using a custom error message
// and an inner exception.
string errorMessage = ("The current operation is not supported.");
NullReferenceException nullException = new NullReferenceException();
CryptographicException cryptographicException =
new CryptographicException(errorMessage, nullException);
Console.WriteLine("Created a CryptographicException with the " +
"following error message: " + errorMessage +
" and the inner exception of " + nullException.ToString());
}
private void StringStringConstructor()
{
// Create a CryptographicException using a time format and a the
// current date.
string dateFormat = "{0:t}";
string timeStamp = (DateTime.Now.ToString());
CryptographicException cryptographicException =
new CryptographicException(dateFormat, timeStamp);
Console.WriteLine("Created a CryptographicException with (" +
dateFormat + ") as the format and (" + timeStamp +
") as the message.");
}
// Construct an invalid DSACryptoServiceProvider to throw a
// CryptographicException for introspection.
private void ShowProperties()
{
try
{
// Create a DSACryptoServiceProvider with invalid provider type
// code to throw a CryptographicException exception.
CspParameters cspParams = new CspParameters(44);
DSACryptoServiceProvider DSAalg =
new DSACryptoServiceProvider(cspParams);
}
catch (CryptographicException ex)
{
// Retrieve the link to the help file for the exception.
string helpLink = ex.HelpLink;
// Retrieve the exception that caused the current
// CryptographicException exception.
System.Exception innerException = ex.InnerException;
string innerExceptionMessage = "";
if (innerException != null)
{
innerExceptionMessage = innerException.ToString();
}
// Retrieve the message that describes the exception.
string message = ex.Message;
// Retrieve the name of the application that caused the exception.
string exceptionSource = ex.Source;
// Retrieve the call stack at the time the exception occurred.
string stackTrace = ex.StackTrace;
// Retrieve the method that threw the exception.
System.Reflection.MethodBase targetSite = ex.TargetSite;
string siteName = targetSite.Name;
// Retrieve the entire exception as a single string.
string entireException = ex.ToString();
// GetObjectData
setSerializationInfo(ref ex);
// Get the root exception that caused the current
// CryptographicException exception.
System.Exception baseException = ex.GetBaseException();
string baseExceptionMessage = "";
if (baseException != null)
{
baseExceptionMessage = baseException.Message;
}
Console.WriteLine("Caught an expected exception:");
Console.WriteLine(entireException);
Console.WriteLine("\n");
Console.WriteLine("Properties of the exception are as follows:");
Console.WriteLine("Message: " + message);
Console.WriteLine("Source: " + exceptionSource);
Console.WriteLine("Stack trace: " + stackTrace);
Console.WriteLine("Help link: " + helpLink);
Console.WriteLine("Target site's name: " + siteName);
Console.WriteLine("Base exception message: " +
baseExceptionMessage);
Console.WriteLine("Inner exception message: " +
innerExceptionMessage);
}
}
private void setSerializationInfo(ref CryptographicException ex)
{
// Insert information about the exception into a serialized object.
FormatterConverter formatConverter = new FormatterConverter();
SerializationInfo serializationInfo =
new SerializationInfo(ex.GetType(), formatConverter);
StreamingContext streamingContext =
new StreamingContext(StreamingContextStates.All);
ex.GetObjectData(serializationInfo,streamingContext);
}
}
//
// This sample produces the following output:
//
// Created an empty CryptographicException.
// Created a CryptographicException with the following error code: -2146233295
// Created a CryptographicException with the following error message:
// Unexpected Operation exception.
// Created a CryptographicException with the following error message: The
// current operation is not supported. and the inner exception of
// System.NullReferenceException: Object reference not set to an instance of
// an object.
// Created a CryptographicException with ({0:t}) as the format and (2/24/2004
// 2:13:15 PM) as the message.
// Caught an expected exception:
// System.Security.Cryptography.CryptographicException: CryptoAPI
// cryptographic service provider (CSP) for this implementation could not be
// acquired.
// at System.Security.Cryptography.DSACryptoServiceProvider..ctor(Int32
// dwKeySize, CspParameters parameters)
// at System.Security.Cryptography.DSACryptoServiceProvider..ctor(
// CspParametersparameters)
// at CryptographicExceptionMembers.ShowProperties() in c:\inetpub\
// vssolutions\test\testbuild\consoleapplication1\class1.cs:line 109
//
//
// Properties of the exception are as follows:
// Message: CryptoAPI cryptographic service provider (CSP) for this
// implementation could not be acquired.
// Source: mscorlib
// Stack trace:
// at System.Security.Cryptography.DSACryptoServiceProvider..ctor(
// Int32 dwKeySize, CspParameters parameters)
// at System.Security.Cryptography.DSACryptoServiceProvider..ctor(
// CspParameters parameters)
// at CryptographicExceptionMembers.ShowProperties() in c:\inetpub\
// vssolutions\test\testbuild\consoleapplication1\class1.cs:line 109
// Help link:
// Target site's name: .ctor
// Base exception message: CryptoAPI cryptographic service provider (CSP) for
// this implementation could not be acquired.
// Inner exception message:
// This sample ended successfully; press Enter to exit.
Imports System.Text
Imports System.Security.Cryptography
Imports System.Runtime.Serialization
Public Class Form1
Inherits System.Windows.Forms.Form
' Event handler for Run button.
Private Sub Button1_Click( _
ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles Button1.Click
tbxOutput.Cursor = Cursors.WaitCursor
tbxOutput.Text = ""
TestConstructors()
ShowProperties()
' Reset the cursor and conclude application.
tbxOutput.AppendText(vbCrLf + "This sample completed " + _
"successfully; Exit to continue.")
tbxOutput.Cursor = Cursors.Default
End Sub
' Test each public implementation of the CryptographicException
' constructors.
Private Sub TestConstructors()
EmptyConstructor()
IntConstructor()
StringConstructor()
StringExceptionConstructor()
StringStringConstructor()
End Sub
Private Sub EmptyConstructor()
' Construct a CryptographicException with no parameters.
Dim cryptographicException As New CryptographicException
WriteLine("Created an empty CryptographicException.")
End Sub
Private Sub IntConstructor()
' Construct a CryptographicException using the error code for an
' unexpected operation exception.
Dim exceptionNumber As Integer = &H80131431
Dim cryptographicException As _
New CryptographicException(exceptionNumber)
WriteLine("Created a CryptographicException with the " + _
"following error code: " + exceptionNumber.ToString())
End Sub
Private Sub StringConstructor()
' Construct a CryptographicException using a custom error message.
Dim errorMessage As String = "Unexpected Operation exception."
Dim cryptographicException As New CryptographicException(errorMessage)
WriteLine("Created a CryptographicException with the " + _
"following error message: " + errorMessage)
End Sub
Private Sub StringExceptionConstructor()
' Construct a CryptographicException using a custom error message
' and an inner exception.
Dim errorMessage As String = "The current operation is not supported."
Dim nullException As New NullReferenceException
Dim cryptographicException As _
New CryptographicException(errorMessage, nullException)
Write("Created a CryptographicException with the following error ")
Write("message: " + errorMessage + " and the inner exception of ")
WriteLine(nullException.ToString())
End Sub
Private Sub StringStringConstructor()
' Create a CryptographicException using a time format and a the
' current date.
Dim dateFormat As String = "{0:t}"
Dim timeStamp As String = DateTime.Now.ToString()
Dim cryptographicException As _
New CryptographicException(dateFormat, timeStamp)
Write("Created a CryptographicException with (" + dateFormat)
WriteLine(") as the format and (" + timeStamp + ") as the message.")
End Sub
' Construct an invalid DSACryptoServiceProvider to throw a
' CryptographicException for introspection.
Private Sub ShowProperties()
Try
' Create a DSACryptoServiceProvider with invalid provider type
' code to throw a CryptographicException exception.
Dim cspParams As New CspParameters(44)
Dim DSAalg As New DSACryptoServiceProvider(cspParams)
Catch ex As CryptographicException
' Retrieve the link to the help file for the exception.
Dim helpLink As String = ex.HelpLink
' Retrieve the exception that caused the current
' CryptographicException exception.
Dim innerException As System.Exception = ex.InnerException
Dim innerExceptionMessage As String = ""
If (Not innerException Is Nothing) Then
innerExceptionMessage = innerException.ToString()
End If
' Retrieve the message that describes the exception.
Dim message As String = ex.Message
' Retrieve the name of the application that caused the exception.
Dim exceptionSource As String = ex.Source
' Retrieve the call stack at the time the exception occurred.
Dim stackTrace As String = ex.StackTrace
' Retrieve the method that threw the exception.
Dim targetSite As System.Reflection.MethodBase
targetSite = ex.TargetSite
Dim siteName As String = targetSite.Name
' Retrieve the entire exception as a single string.
Dim entireException As String = ex.ToString()
' GetObjectData
setSerializationInfo(ex)
' Get the root exception that caused the current
' CryptographicException exception.
Dim baseException As System.Exception = ex.GetBaseException()
Dim baseExceptionMessage As String = ""
If (Not baseException Is Nothing) Then
baseExceptionMessage = baseException.Message
End If
WriteLine("Caught an expected exception:")
WriteLine(entireException)
WriteLine(vbCrLf + "Properties of the exception are as follows:")
WriteLine("Message: " + message)
WriteLine("Source: " + exceptionSource)
WriteLine("Stack trace: " + stackTrace)
WriteLine("Help link: " + helpLink)
WriteLine("Target site's name: " + siteName)
WriteLine("Base exception message: " + baseExceptionMessage)
WriteLine("Inner exception message: " + innerExceptionMessage)
End Try
End Sub
Private Sub setSerializationInfo(ByRef ex As CryptographicException)
' Insert information about the exception into a serialized object.
Dim formatConverter As New FormatterConverter
Dim serializationInfo As _
New SerializationInfo(ex.GetType(), formatConverter)
Dim streamingContext As _
New StreamingContext(StreamingContextStates.All)
ex.GetObjectData(serializationInfo, streamingContext)
End Sub
' Write specified message to the output textbox.
Private Sub Write(ByVal message As String)
tbxOutput.AppendText(message)
End Sub
' Write specified message with a carriage return to the output textbox.
Private Sub WriteLine(ByVal message As String)
tbxOutput.AppendText(message + vbCrLf)
End Sub
' Event handler for Exit button.
Private Sub Button2_Click( _
ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles Button2.Click
Application.Exit()
End Sub
#Region " Windows Form Designer generated code "
Public Sub New()
MyBase.New()
'This call is required by the Windows Form Designer.
InitializeComponent()
'Add any initialization after the InitializeComponent() call
End Sub
'Form overrides dispose to clean up the component list.
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
'Required by the Windows Form Designer
Private components As System.ComponentModel.IContainer
'NOTE: The following procedure is required by the Windows Form Designer
'It can be modified using the Windows Form Designer.
'Do not modify it using the code editor.
Friend WithEvents Panel2 As System.Windows.Forms.Panel
Friend WithEvents Panel1 As System.Windows.Forms.Panel
Friend WithEvents Button1 As System.Windows.Forms.Button
Friend WithEvents Button2 As System.Windows.Forms.Button
Friend WithEvents tbxOutput As System.Windows.Forms.RichTextBox
<System.Diagnostics.DebuggerStepThrough()> _
Private Sub InitializeComponent()
Me.Panel2 = New System.Windows.Forms.Panel
Me.Button1 = New System.Windows.Forms.Button
Me.Button2 = New System.Windows.Forms.Button
Me.Panel1 = New System.Windows.Forms.Panel
Me.tbxOutput = New System.Windows.Forms.RichTextBox
Me.Panel2.SuspendLayout()
Me.Panel1.SuspendLayout()
Me.SuspendLayout()
'
'Panel2
'
Me.Panel2.Controls.Add(Me.Button1)
Me.Panel2.Controls.Add(Me.Button2)
Me.Panel2.Dock = System.Windows.Forms.DockStyle.Bottom
Me.Panel2.DockPadding.All = 20
Me.Panel2.Location = New System.Drawing.Point(0, 320)
Me.Panel2.Name = "Panel2"
Me.Panel2.Size = New System.Drawing.Size(616, 64)
Me.Panel2.TabIndex = 1
'
'Button1
'
Me.Button1.Dock = System.Windows.Forms.DockStyle.Right
Me.Button1.Font = New System.Drawing.Font( _
"Microsoft Sans Serif", _
9.0!, _
System.Drawing.FontStyle.Regular, _
System.Drawing.GraphicsUnit.Point, _
CType(0, Byte))
Me.Button1.Location = New System.Drawing.Point(446, 20)
Me.Button1.Name = "Button1"
Me.Button1.Size = New System.Drawing.Size(75, 24)
Me.Button1.TabIndex = 2
Me.Button1.Text = "&Run"
'
'Button2
'
Me.Button2.Dock = System.Windows.Forms.DockStyle.Right
Me.Button2.Font = New System.Drawing.Font( _
"Microsoft Sans Serif", _
9.0!, _
System.Drawing.FontStyle.Regular, _
System.Drawing.GraphicsUnit.Point, _
CType(0, Byte))
Me.Button2.Location = New System.Drawing.Point(521, 20)
Me.Button2.Name = "Button2"
Me.Button2.Size = New System.Drawing.Size(75, 24)
Me.Button2.TabIndex = 3
Me.Button2.Text = "E&xit"
'
'Panel1
'
Me.Panel1.Controls.Add(Me.tbxOutput)
Me.Panel1.Dock = System.Windows.Forms.DockStyle.Fill
Me.Panel1.DockPadding.All = 20
Me.Panel1.Location = New System.Drawing.Point(0, 0)
Me.Panel1.Name = "Panel1"
Me.Panel1.Size = New System.Drawing.Size(616, 320)
Me.Panel1.TabIndex = 2
'
'tbxOutput
'
Me.tbxOutput.AccessibleDescription = _
"Displays output from application."
Me.tbxOutput.AccessibleName = "Output textbox."
Me.tbxOutput.Dock = System.Windows.Forms.DockStyle.Fill
Me.tbxOutput.Location = New System.Drawing.Point(20, 20)
Me.tbxOutput.Name = "tbxOutput"
Me.tbxOutput.Size = New System.Drawing.Size(576, 280)
Me.tbxOutput.TabIndex = 1
Me.tbxOutput.Text = "Click the Run button to run the application."
'
'Form1
'
Me.AutoScaleBaseSize = New System.Drawing.Size(6, 15)
Me.ClientSize = New System.Drawing.Size(616, 384)
Me.Controls.Add(Me.Panel1)
Me.Controls.Add(Me.Panel2)
Me.Name = "Form1"
Me.Text = "CryptographicException"
Me.Panel2.ResumeLayout(False)
Me.Panel1.ResumeLayout(False)
Me.ResumeLayout(False)
End Sub
#End Region
End Class
'
' This sample produces the following output:
'
' Created an empty CryptographicException.
' Created a CryptographicException with the following error code: -2146233295
' Created a CryptographicException with the following error message:
' Unexpected Operation exception.
' Created a CryptographicException with the following error message:
' The current operation is not supported. and the inner exception of
' System.NullReferenceException: Object reference not set to an instance of an
' object.
' Created a CryptographicException with ({0:t}) as the format and (2/24/2004
' 2:19:32 PM) as the message.
' Caught an expected exception:
' System.Security.Cryptography.CryptographicException: CryptoAPI cryptographic
' service provider (CSP) for this implementation could not be acquired.
' at System.Security.Cryptography.DSACryptoServiceProvider..ctor(
' Int32 dwKeySize, CspParameters parameters)
' at System.Security.Cryptography.DSACryptoServiceProvider..ctor(
' CspParameters parameters)
' at WindowsApplication1.Form1.ShowProperties() in
' C:\WindowsApplication1\Form1.vb:line 103
'
' Properties of the exception are as follows:
' Message: CryptoAPI cryptographic service provider (CSP) for this
' implementation could not be acquired.
' Source: mscorlib
' Stack trace: at System.Security.Cryptography.DSACryptoServiceProvider..
' ctor(Int32 dwKeySize, CspParameters parameters)
' at System.Security.Cryptography.DSACryptoServiceProvider..ctor(
' CspParameters parameters)
' at WindowsApplication1.Form1.ShowProperties() in
' C:\WindowsApplication1\Form1.vb:line 103
' Help link:
' Target site's name: .ctor
' Base exception message: CryptoAPI cryptographic service provider (CSP) for
' this implementation could not be acquired.
' Inner exception message:
'
' This sample completed successfully; Exit to continue
CryptographicException menggunakan CORSEC_E_CRYPTO HRESULT, kecuali kode kesalahan alternatif ditentukan.
Untuk daftar nilai properti awal untuk instans CryptographicException, lihat konstruktor.
|
Cryptographic |
Menginisialisasi instans baru kelas CryptographicException dengan properti default. |
|
Cryptographic |
Menginisialisasi instans baru kelas CryptographicException dengan kode kesalahan |
|
Cryptographic |
Kedaluwarsa.
Menginisialisasi instans baru kelas CryptographicException dengan data berseri. |
|
Cryptographic |
Menginisialisasi instans baru kelas CryptographicException dengan pesan kesalahan tertentu. |
|
Cryptographic |
Menginisialisasi instans baru kelas CryptographicException dengan pesan kesalahan tertentu dan referensi ke pengecualian dalam yang merupakan penyebab pengecualian ini. |
|
Cryptographic |
Menginisialisasi instans baru kelas CryptographicException dengan pesan kesalahan tertentu dalam format yang ditentukan. |
| Data |
Mendapatkan kumpulan pasangan kunci/nilai yang memberikan informasi tambahan yang ditentukan pengguna tentang pengecualian. (Diperoleh dari Exception) |
|
Help |
Mendapatkan atau mengatur tautan ke file bantuan yang terkait dengan pengecualian ini. (Diperoleh dari Exception) |
| HResult |
Mendapatkan atau mengatur HRESULT, nilai numerik berkode yang ditetapkan ke pengecualian tertentu. (Diperoleh dari Exception) |
|
Inner |
Mendapatkan instans Exception yang menyebabkan pengecualian saat ini. (Diperoleh dari Exception) |
| Message |
Mendapatkan pesan yang menjelaskan pengecualian saat ini. (Diperoleh dari Exception) |
| Source |
Mendapatkan atau mengatur nama aplikasi atau objek yang menyebabkan kesalahan. (Diperoleh dari Exception) |
|
Stack |
Mendapatkan representasi string dari bingkai langsung pada tumpukan panggilan. (Diperoleh dari Exception) |
|
Target |
Mendapatkan metode yang melemparkan pengecualian saat ini. (Diperoleh dari Exception) |
| Equals(Object) |
Menentukan apakah objek yang ditentukan sama dengan objek saat ini. (Diperoleh dari Object) |
|
Get |
Saat ditimpa dalam kelas turunan, mengembalikan Exception yang merupakan akar penyebab dari satu atau beberapa pengecualian berikutnya. (Diperoleh dari Exception) |
|
Get |
Berfungsi sebagai fungsi hash default. (Diperoleh dari Object) |
|
Get |
Kedaluwarsa.
Saat ditimpa di kelas turunan, mengatur SerializationInfo dengan informasi tentang pengecualian. (Diperoleh dari Exception) |
|
Get |
Mendapatkan jenis runtime instans saat ini. (Diperoleh dari Exception) |
|
Memberwise |
Membuat salinan dangkal dari Objectsaat ini. (Diperoleh dari Object) |
|
To |
Membuat dan mengembalikan representasi string dari pengecualian saat ini. (Diperoleh dari Exception) |
|
Serialize |
Kedaluwarsa.
Terjadi ketika pengecualian diserialisasikan untuk membuat objek status pengecualian yang berisi data berseri tentang pengecualian. (Diperoleh dari Exception) |
| Produk | Versi |
|---|---|
| .NET | Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9 |
| .NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| .NET Standard | 1.3, 1.4, 1.6, 2.0, 2.1 |
- Exception
- Menangani dan Melemparkan Pengecualian
- Layanan Kriptografi
Berkolaborasi dengan kami di GitHub
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