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    Windows

    Last updated: 2024-11-04 14:32:15
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      This document describes how to quickly integrate the Chat SDK into your Windows project.

      Environment Requirements

      Operating system: Windows 7 or later.
      Development environment: Visual Studio 2010 or later. Visual Studio 2019 is recommended.

      Integrating Chat SDK

      The following describes how to integrate the SDK into a Visual Studio 2019 project by creating a simple MFC project.

      Step 1. Download Chat SDK

      Download the Chat SDK for Windows here, and decompress it. You can rename it "ImSDK" for convenience. It contains the following parts:
      Directory Name
      Description
      c_include
      C API header files
      cpp_include
      C++ API header files
      shared_lib\\Win32
      32-bit Release mode, which uses the /MT option to link library files.
      shared_lib\\Win64
      64-bit Release mode, which uses the /MT option to link library files.

      Step 2. Create a project

      Open Visual Studio and create an MFC application named "IMDemo". If the MFC application is not one of the first options, you can search for it through the search template at the top.
      
      
      
      For quick integration, select the relatively simple Dialog based type on the Application Type page of the wizard. For other configuration items, keep them as default.
      
      
      

      Step 3. Copy the files

      Copy the SDK folder generated after decompression (the "ImSDK" folder obtained in step 1) to the directory where IMDemo.vcxproj is located.
      
      
      

      Step 4. Modify the project configuration

      The SDK provides 32-bit and 64-bit static libraries in Release mode, which require some special configurations. Open the IMDemo attribute page, select Solution Explorer, right-click IMDemo, and select Properties.
      The following takes the 32-bit Release mode as an example:
      1. Add the include directory. Go to C/C++ > General > Additional Include Directories and add the SDK C header file directory $(ProjectDir)ImSDK\\c_include.
      
      
      
      2. Add the library directory. Go to Linker > General > Additional Library Directories and add the SDK library directory $(ProjectDir)ImSDK\\shared_lib\\Win32.
      
      
      
      3. Add the library file. Go to Linker > Input > Additional Dependencies and add the SDK library file ImSDK.lib.
      
      
      
      4. Copy the DLL file to the execution directory. Go to Build Events > Pre-Build Event > Command Line, enter xcopy /E /Y "$(ProjectDir)ImSDK\\shared_lib\\Win32" "$(OutDir)", and copy the ImSDK.dll dynamic library file to the output directory of the project.
      
      
      
      5. Specify the encoding format of the source file. The SDK header file uses the UTF-8 encoding format, whereas some compilers compile source files in the default system encoding format. This may lead to compilation failure. Set this parameter to instruct compilers to compile source files using UTF-8 encoding. Go to C/C++ > Command Line > Additional Options and enter /source-charset:.65001.
      
      
      
      Most of the settings for the 64-bit Release are similar to those for the 32-bit Release. The difference lies in the SDK library directory as follows:
      1. Add the library directory.
      Go to Linker > General > Additional Library Directories and add the SDK library directory $(ProjectDir)ImSDK\\shared_lib\\Win64.
      
      
      
      2. Copy the DLL file to the execution directory.
      In Release mode, go to Build Events > Pre-Build Event > Command Line, enter xcopy /E /Y "$(ProjectDir)ImSDK\\shared_lib\\Win64" "$(OutDir)", and copy the ImSDK.dll dynamic library file to the output directory of the project.
      
      
      

      Step 5. Print Chat SDK version number

      In the IMDemoDlg.cpp file, add the header file inclusion:
      #include "TIMCloud.h"
      In the IMDemoDlg.cpp file, find the CIMDemoDlg::OnInitDialog function and add the following test code before return:
      SetWindowText(L"IMDemo");
      CString szText;
      szText.Format(L"SDK version: %hs", TIMGetSDKVersion());
      CWnd* pStatic = GetDlgItem(IDC_STATIC);
      pStatic->SetWindowTextW(szText);
      Press F5 to run the code and print the SDK version number.
      
      
      

      FAQs

      If the following error occurs, check whether the directory of the SDK header file has been correctly added according to the preceding project configuration:
      fatal error C1083: unable to open the header file: "TIMCloud.h": No such file or directory
      If the following error occurs, check whether the SDK library directory and library file have been correctly added according to the preceding project configuration:
      LINK : fatal error LNK1104: Unable to open the `ImSDK.lib` file.
      error LNK2019: Unresolved external symbol `__imp__TIMGetSDKVersion`, referenced in the `"protected: virtual int __thiscall CIMDemoDlg::OnInitDialog(void)" (?OnInitDialog@CIMDemoDlg@@MAEHXZ)` function
      If an error occurs, check whether the SDK's DLL has been copied to the execution directory as described in the project configuration step above.
      
      
      
      
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