private static void DisplayX509Certificate(SafeCertContextHandle safeCertContext, IntPtr hwndParent)
{
if (safeCertContext.IsInvalid)
{
throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_InvalidHandle"), "safeCertContext");
}
int dwErrorCode = CAPI.ERROR_SUCCESS;
// Initialize view structure.
CAPI.CRYPTUI_VIEWCERTIFICATE_STRUCTW ViewInfo = new CAPI.CRYPTUI_VIEWCERTIFICATE_STRUCTW();
ViewInfo.dwSize = (uint)Marshal.SizeOf(ViewInfo);
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 (!CAPI.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 != CAPI.ERROR_SUCCESS && dwErrorCode != CAPI.ERROR_CANCELLED)
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
}
