Added IPv4 ICMP support to Windows.

include/ehs/io/socket/ICMP_W32.h

@@ -4,7 +4,30 @@
 
 namespace ehs
 {
-	class ICMP : public virtual BaseICMP
+	class ICMP : public BaseICMP
 	{
+	private:
+		Int_32 hdl;
+
+	public:
+		ICMP();
+
+		ICMP(IP version);
+
+		ICMP(ICMP &&icmp) noexcept;
+
+		ICMP(const ICMP &icmp);
+
+		ICMP &operator=(ICMP &&icmp) noexcept;
+
+		ICMP &operator=(const ICMP &icmp);
+
+		UInt_64 Send(const Str_8 &address, ICMP_Header header, const Byte *data, UInt_64 size) override;
+
+		UInt_64 Receive(Str_8 &address, ICMP_Header header, Serializer<UInt_64> &data) override;
+
+		void SetReceiveTimeout(UInt_64 timeout) override;
+
+		bool IsValid() const override;
     };
 }