[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003e\u003ccode\u003eIBufferMessage\u003c/code\u003e is an interface for Protocol Buffers messages, enabling parsing from \u003ccode\u003eParseContext\u003c/code\u003e and writing to \u003ccode\u003eWriteContext\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThis interface inherits members from \u003ccode\u003eIMessage\u003c/code\u003e, including methods like \u003ccode\u003eMergeFrom\u003c/code\u003e, \u003ccode\u003eWriteTo\u003c/code\u003e, \u003ccode\u003eCalculateSize\u003c/code\u003e, and \u003ccode\u003eDescriptor\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eIBufferMessage\u003c/code\u003e provides \u003ccode\u003eInternalMergeFrom\u003c/code\u003e and \u003ccode\u003eInternalWriteTo\u003c/code\u003e methods, which are intended for internal use and should not be called directly by users.\u003c/p\u003e\n"],["\u003cp\u003eThe namespace for \u003ccode\u003eIBufferMessage\u003c/code\u003e is \u003ccode\u003eGoogle.Protobuf\u003c/code\u003e, and it is found in the \u003ccode\u003eGoogle.Protobuf.dll\u003c/code\u003e assembly.\u003c/p\u003e\n"],["\u003cp\u003eVarious extension methods are available for \u003ccode\u003eIMessage\u003c/code\u003e objects, allowing functionalities such as merging, writing, and converting messages to different data formats.\u003c/p\u003e\n"]]],[],null,["# Interface IBufferMessage (3.27.1)\n\nVersion latestkeyboard_arrow_down\n\n- [3.27.1 (latest)](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IBufferMessage)\n- [3.23.0](/dotnet/docs/reference/Google.Protobuf/3.23.0/Google.Protobuf.IBufferMessage)\n- [3.15.8](/dotnet/docs/reference/Google.Protobuf/3.15.8/Google.Protobuf.IBufferMessage) \n\n public interface IBufferMessage : IMessage\n\nInterface for a Protocol Buffers message, supporting\nparsing from [ParseContext](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.ParseContext) and writing to [WriteContext](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.WriteContext). \n\nInherited Members\n-----------------\n\n[IMessage.MergeFrom(CodedInputStream)](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage#Google_Protobuf_IMessage_MergeFrom_Google_Protobuf_CodedInputStream_) \n[IMessage.WriteTo(CodedOutputStream)](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage#Google_Protobuf_IMessage_WriteTo_Google_Protobuf_CodedOutputStream_) \n[IMessage.CalculateSize()](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage#Google_Protobuf_IMessage_CalculateSize) \n[IMessage.Descriptor](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage#Google_Protobuf_IMessage_Descriptor)\n\nNamespace\n---------\n\n[Google.Protobuf](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf)\n\nAssembly\n--------\n\nGoogle.Protobuf.dll\n\nMethods\n-------\n\n### InternalMergeFrom(ref ParseContext)\n\n void InternalMergeFrom(ref ParseContext ctx)\n\nInternal implementation of merging data from given parse context into this message.\nUsers should never invoke this method directly.\n\n### InternalWriteTo(ref WriteContext)\n\n void InternalWriteTo(ref WriteContext ctx)\n\nInternal implementation of writing this message to a given write context.\nUsers should never invoke this method directly.\n\nExtension Methods\n-----------------\n\n[MessageExtensions.IsInitialized(IMessage)](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.MessageExtensions#Google_Protobuf_MessageExtensions_IsInitialized_Google_Protobuf_IMessage_) \n[MessageExtensions.MergeDelimitedFrom(IMessage, Stream)](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.MessageExtensions#Google_Protobuf_MessageExtensions_MergeDelimitedFrom_Google_Protobuf_IMessage_System_IO_Stream_) \n[MessageExtensions.MergeFrom(IMessage, ByteString)](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.MessageExtensions#Google_Protobuf_MessageExtensions_MergeFrom_Google_Protobuf_IMessage_Google_Protobuf_ByteString_) \n[MessageExtensions.MergeFrom(IMessage, ReadOnlySequence\\\u003cbyte\\\u003e)](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.MessageExtensions#Google_Protobuf_MessageExtensions_MergeFrom_Google_Protobuf_IMessage_System_Buffers_ReadOnlySequence_System_Byte__) \n[MessageExtensions.MergeFrom(IMessage, byte\\[\\])](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.MessageExtensions#Google_Protobuf_MessageExtensions_MergeFrom_Google_Protobuf_IMessage_System_Byte___) \n[MessageExtensions.MergeFrom(IMessage, byte\\[\\], int, int)](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.MessageExtensions#Google_Protobuf_MessageExtensions_MergeFrom_Google_Protobuf_IMessage_System_Byte___System_Int32_System_Int32_) \n[MessageExtensions.MergeFrom(IMessage, Stream)](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.MessageExtensions#Google_Protobuf_MessageExtensions_MergeFrom_Google_Protobuf_IMessage_System_IO_Stream_) \n[MessageExtensions.MergeFrom(IMessage, ReadOnlySpan\\\u003cbyte\\\u003e)](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.MessageExtensions#Google_Protobuf_MessageExtensions_MergeFrom_Google_Protobuf_IMessage_System_ReadOnlySpan_System_Byte__) \n[MessageExtensions.ToByteArray(IMessage)](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.MessageExtensions#Google_Protobuf_MessageExtensions_ToByteArray_Google_Protobuf_IMessage_) \n[MessageExtensions.ToByteString(IMessage)](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.MessageExtensions#Google_Protobuf_MessageExtensions_ToByteString_Google_Protobuf_IMessage_) \n[MessageExtensions.WriteDelimitedTo(IMessage, Stream)](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.MessageExtensions#Google_Protobuf_MessageExtensions_WriteDelimitedTo_Google_Protobuf_IMessage_System_IO_Stream_) \n[MessageExtensions.WriteTo(IMessage, IBufferWriter\\\u003cbyte\\\u003e)](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.MessageExtensions#Google_Protobuf_MessageExtensions_WriteTo_Google_Protobuf_IMessage_System_Buffers_IBufferWriter_System_Byte__) \n[MessageExtensions.WriteTo(IMessage, Stream)](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.MessageExtensions#Google_Protobuf_MessageExtensions_WriteTo_Google_Protobuf_IMessage_System_IO_Stream_) \n[MessageExtensions.WriteTo(IMessage, Span\\\u003cbyte\\\u003e)](/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.MessageExtensions#Google_Protobuf_MessageExtensions_WriteTo_Google_Protobuf_IMessage_System_Span_System_Byte__)"]]