Sample code for 30+ languages & platforms
C

Outlook Calendar List Calendars

See more Outlook Calendar Examples

Get all the user's calendars.

Chilkat C Downloads

C
#include <C_CkHttp.h>
#include <C_CkJsonObject.h>
#include <C_CkHttpResponse.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkHttp http;
    HCkJsonObject jsonToken;
    HCkHttpResponse resp;
    HCkJsonObject json;
    const char *id;
    const char *name;
    const char *color;
    const char *hexColor;
    BOOL isDefaultCalendar;
    const char *changeKey;
    BOOL canShare;
    BOOL canViewPrivateItems;
    BOOL canEdit;
    const char *defaultOnlineMeetingProvider;
    BOOL isTallyingResponses;
    BOOL isRemovable;
    const char *ownerName;
    const char *ownerAddress;
    int j;
    int count_j;
    const char *strVal;
    const char *odata_context;
    int i;
    int count_i;

    success = FALSE;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    http = CkHttp_Create();

    // Use your previously obtained access token here: Get Outlook Calendar OAuth2 Access Token (Azure AD v2.0 Endpoint).

    jsonToken = CkJsonObject_Create();
    success = CkJsonObject_LoadFile(jsonToken,"qa_data/tokens/outlookCalendar.json");
    if (success == FALSE) {
        printf("%s\n",CkJsonObject_lastErrorText(jsonToken));
        CkHttp_Dispose(http);
        CkJsonObject_Dispose(jsonToken);
        return;
    }

    CkHttp_putAuthToken(http,CkJsonObject_stringOf(jsonToken,"access_token"));

    resp = CkHttpResponse_Create();
    success = CkHttp_HttpNoBody(http,"GET","https://graph.microsoft.com/v1.0/me/calendars",resp);
    if (success == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkJsonObject_Dispose(jsonToken);
        CkHttpResponse_Dispose(resp);
        return;
    }

    printf("Response status code = %d\n",CkHttpResponse_getStatusCode(resp));

    // The HTTP request succeeded if the response status code = 200.
    if (CkHttpResponse_getStatusCode(resp) != 200) {
        printf("%s\n",CkHttpResponse_bodyStr(resp));
        printf("Failed\n");
        CkHttp_Dispose(http);
        CkJsonObject_Dispose(jsonToken);
        CkHttpResponse_Dispose(resp);
        return;
    }

    json = CkJsonObject_Create();
    CkJsonObject_Load(json,CkHttpResponse_bodyStr(resp));
    CkJsonObject_putEmitCompact(json,FALSE);
    printf("%s\n",CkJsonObject_emit(json));

    // Here is a sample response:

    // Use this online tool to generate parsing code from sample JSON: 
    // Generate Parsing Code from JSON

    // {
    //     "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#me/calendars",
    //     "value": [
    //         {
    //             "@odata.id": "https://graph.microsoft.com/v1.0/users('ddfcd489-628b-40d7-b48b-57002df800e5@1717622f-1d94-4d0c-9d74-709fad664b77')/calendars('AAMkAGI2TGuLAAA=')",
    //             "id": "AAMkAGI2TGuLAAA=",
    //             "name": "Calendar",
    //             "color": "auto",
    //             "changeKey": "nfZyf7VcrEKLNoU37KWlkQAAA0x0+w==",
    //             "canShare":true,
    //             "canViewPrivateItems":true,
    //             "hexColor": "",
    //             "canEdit":true,
    //             "allowedOnlineMeetingProviders": [
    //                 "teamsForBusiness"
    //             ],
    //             "defaultOnlineMeetingProvider": "teamsForBusiness",
    //             "isTallyingResponses": true,
    //             "isRemovable": false,
    //             "owner":{
    //                 "name":"Samantha Booth",
    //                 "address":"samanthab@adatum.onmicrosoft.com"
    //             }
    //         }
    //     ]
    // }

    // Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
    // See this example explaining how this memory should be used: const char * functions.

    odata_context = CkJsonObject_stringOf(json,"\"@odata.context\"");
    i = 0;
    count_i = CkJsonObject_SizeOfArray(json,"value");
    while (i < count_i) {
        CkJsonObject_putI(json,i);
        id = CkJsonObject_stringOf(json,"value[i].id");
        name = CkJsonObject_stringOf(json,"value[i].name");
        color = CkJsonObject_stringOf(json,"value[i].color");
        hexColor = CkJsonObject_stringOf(json,"value[i].hexColor");
        isDefaultCalendar = CkJsonObject_BoolOf(json,"value[i].isDefaultCalendar");
        changeKey = CkJsonObject_stringOf(json,"value[i].changeKey");
        canShare = CkJsonObject_BoolOf(json,"value[i].canShare");
        canViewPrivateItems = CkJsonObject_BoolOf(json,"value[i].canViewPrivateItems");
        canEdit = CkJsonObject_BoolOf(json,"value[i].canEdit");
        defaultOnlineMeetingProvider = CkJsonObject_stringOf(json,"value[i].defaultOnlineMeetingProvider");
        isTallyingResponses = CkJsonObject_BoolOf(json,"value[i].isTallyingResponses");
        isRemovable = CkJsonObject_BoolOf(json,"value[i].isRemovable");
        ownerName = CkJsonObject_stringOf(json,"value[i].owner.name");
        ownerAddress = CkJsonObject_stringOf(json,"value[i].owner.address");
        j = 0;
        count_j = CkJsonObject_SizeOfArray(json,"value[i].allowedOnlineMeetingProviders");
        while (j < count_j) {
            CkJsonObject_putJ(json,j);
            strVal = CkJsonObject_stringOf(json,"value[i].allowedOnlineMeetingProviders[j]");
            j = j + 1;
        }

        i = i + 1;
    }



    CkHttp_Dispose(http);
    CkJsonObject_Dispose(jsonToken);
    CkHttpResponse_Dispose(resp);
    CkJsonObject_Dispose(json);

    }