private static unsafe void DisplayX509Certificate(X509Certificate2 certificate, IntPtr hwndParent)
{
using (SafeCertContextHandle safeCertContext = X509Utils.DuplicateCertificateContext(certificate))
{
if (safeCertContext.IsInvalid)
{
throw new CryptographicException(SR.Format(SR.Cryptography_InvalidHandle, nameof(safeCertContext)));
}
int dwErrorCode = ERROR_SUCCESS;
// Initialize view structure.
Interop.CryptUI.CRYPTUI_VIEWCERTIFICATE_STRUCTW ViewInfo = default;
#if NET7_0_OR_GREATER
ViewInfo.dwSize = (uint)sizeof(Interop.CryptUI.CRYPTUI_VIEWCERTIFICATE_STRUCTW.Marshaller.Native);
#else
ViewInfo.dwSize = (uint)Marshal.SizeOf <Interop.CryptUI.CRYPTUI_VIEWCERTIFICATE_STRUCTW>();
#endif
ViewInfo.hwndParent = hwndParent;
ViewInfo.dwFlags = 0;
ViewInfo.szTitle = null;
ViewInfo.pCertContext = safeCertContext.DangerousGetHandle();
ViewInfo.rgszPurposes = IntPtr.Zero;
ViewInfo.cPurposes = 0;
ViewInfo.pCryptProviderData = IntPtr.Zero;
ViewInfo.fpCryptProviderDataTrustedUsage = false;
ViewInfo.idxSigner = 0;
ViewInfo.idxCert = 0;
ViewInfo.fCounterSigner = false;
ViewInfo.idxCounterSigner = 0;
ViewInfo.cStores = 0;
ViewInfo.rghStores = IntPtr.Zero;
ViewInfo.cPropSheetPages = 0;
ViewInfo.rgPropSheetPages = IntPtr.Zero;
ViewInfo.nStartPage = 0;
// View the certificate
if (!Interop.CryptUI.CryptUIDlgViewCertificateW(ViewInfo, IntPtr.Zero))
{
dwErrorCode = Marshal.GetLastWin32Error();
}
// CryptUIDlgViewCertificateW returns ERROR_CANCELLED if the user closes
// the window through the x button or by pressing CANCEL, so ignore this error code
if (dwErrorCode != ERROR_SUCCESS && dwErrorCode != ERROR_CANCELLED)
{
throw new CryptographicException(dwErrorCode);
}
}
}
