public IntPtr GetFirstCert(CertificateFilterInfo filter)
{
this.filterHandle = null;
if (X509NativeStore.fIsWin8AndAbove && filter != null)
{
IntPtr zero = IntPtr.Zero;
this.filterHandle = new CertificateFilterHandle();
int num = NativeMethods.CCFindCertificateBuildFilter(filter.FilterString, ref zero);
if (num == 0)
{
this.filterHandle.Handle = zero;
}
else
{
this.filterHandle = null;
throw new Win32Exception(num);
}
}
return(this.GetNextCert(IntPtr.Zero));
}
public IntPtr GetFirstCert(
CertificateFilterInfo filter)
{
_filterHandle = null;
if (DownLevelHelper.NativeFilteringSupported() && filter != null)
{
IntPtr hFilter = IntPtr.Zero;
_filterHandle = new CertificateFilterHandle();
int hr = Security.NativeMethods.CCFindCertificateBuildFilter(
filter.FilterString,
ref hFilter);
if (hr != Security.NativeConstants.S_OK)
{
_filterHandle = null;
throw new System.ComponentModel.Win32Exception(hr);
}
_filterHandle.Handle = hFilter;
}
return GetNextCert(IntPtr.Zero);
}
public IntPtr GetFirstCert(CertificateFilterInfo filter)
{
this.filterHandle = null;
if (X509NativeStore.fIsWin8AndAbove && filter != null)
{
IntPtr zero = IntPtr.Zero;
this.filterHandle = new CertificateFilterHandle();
int num = NativeMethods.CCFindCertificateBuildFilter(filter.FilterString, ref zero);
if (num == 0)
{
this.filterHandle.Handle = zero;
}
else
{
this.filterHandle = null;
throw new Win32Exception(num);
}
}
return this.GetNextCert(IntPtr.Zero);
}