System::Net::HttpKnownHeaderNames::IfUnmodifiedSince 字段

IfUnmodifiedSince field

此 ‘If-Unmodified-Since’ 标头名称。

static const String System::Net::HttpKnownHeaderNames::IfUnmodifiedSince

另见

• Class HttpKnownHeaderNames
• Namespace System::Net
• Library Aspose.Page for C++