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Visual Studio 2008
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Visual C++
Building a C/C++ Program
C/C++ Building Reference
C/C++ Build Errors
Compiler Errors C2900 Through C3499
Compiler Error C2902
Compiler Error C2903
Compiler Error C2904
Compiler Error C2906
Compiler Error C2907
Compiler Error C2908
Compiler Error C2909
Compiler Error C2910
Compiler Error C2911
Compiler Error C2912
Compiler Error C2913
Compiler Error C2914
Compiler Error C2917
Compiler Error C2918
Compiler Error C2919
Compiler Error C2920
Compiler Error C2921
Compiler Error C2923
Compiler Error C2926
Compiler Error C2927
Compiler Error C2928
Compiler Error C2929
Compiler Error C2930
Compiler Error C2931
Compiler Error C2932
Compiler Error C2933
Compiler Error C2934
Compiler Error C2935
Compiler Error C2936
Compiler Error C2937
Compiler Error C2939
Compiler Error C2940
Compiler Error C2941
Compiler Error C2942
Compiler Error C2943
Compiler Error C2944
Compiler Error C2945
Compiler Error C2946
Compiler Error C2947
Compiler Error C2948
Compiler Error C2950
Compiler Error C2951
Compiler Error C2952
Compiler Error C2953
Compiler Error C2954
Compiler Error C2955
Compiler Error C2957
Compiler Error C2958
Compiler Error C2959
Compiler Error C2962
Compiler Error C2963
Compiler Error C2964
Compiler Error C2969
Compiler Error C2970
Compiler Error C2971
Compiler Error C2973
Compiler Error C2974
Compiler Error C2975
Compiler Error C2976
Compiler Error C2977
Compiler Error C2978
Compiler Error C2979
Compiler Error C2988
Compiler Error C2989
Compiler Error C2990
Compiler Error C2991
Compiler Error C2992
Compiler Error C2993
Compiler Error C2994
Compiler Error C2995
Compiler Error C2996
Compiler Error C2998
Compiler Error C2999
Compiler Error C3001
Compiler Error C3002
Compiler Error C3003
Compiler Error C3004
Compiler Error C3005
Compiler Error C3006
Compiler Error C3007
Compiler Error C3008
Compiler Error C3009
Compiler Error C3010
Compiler Error C3011
Compiler Error C3012
Compiler Error C3013
Compiler Error C3014
Compiler Error C3015
Compiler Error C3016
Compiler Error C3017
Compiler Error C3018
Compiler Error C3019
Compiler Error C3020
Compiler Error C3021
Compiler Error C3022
Compiler Error C3023
Compiler Error C3024
Compiler Error C3025
Compiler Error C3026
Compiler Error C3027
Compiler Error C3028
Compiler Error C3029
Compiler Error C3030
Compiler Error C3031
Compiler Error C3032
Compiler Error C3033
Compiler Error C3034
Compiler Error C3035
Compiler Error C3036
Compiler Error C3037
Compiler Error C3038
Compiler Error C3039
Compiler Error C3040
Compiler Error C3041
Compiler Error C3042
Compiler Error C3043
Compiler Error C3044
Compiler Error C3045
Compiler Error C3046
Compiler Error C3047
Compiler Error C3048
Compiler Error C3049
Compiler Error C3050
Compiler Error C3052
Compiler Error C3053
Compiler Error C3054
Compiler Error C3055
Compiler Error C3056
Compiler Error C3057
Compiler Error C3058
Compiler Error C3059
Compiler Error C3060
Compiler Error C3062
Compiler Error C3063
Compiler Error C3065
Compiler Error C3066
Compiler Error C3068
Compiler Error C3069
Compiler Error C3070
Compiler Error C3071
Compiler Error C3072
Compiler Error C3073
Compiler Error C3075
Compiler Error C3076
Compiler Error C3077
Compiler Error C3080
Compiler Error C3082
Compiler Error C3083
Compiler Error C3084
Compiler Error C3085
Compiler Error C3087
Compiler Error C3094
Compiler Error C3095
Compiler Error C3096
Compiler Error C3097
Compiler Error C3099
Compiler Error C3100
Compiler Error C3101
Compiler Error C3103
Compiler Error C3104
Compiler Error C3106
Compiler Error C3110
Compiler Error C3113
Compiler Error C3114
Compiler Error C3115
Compiler Error C3116
Compiler Error C3117
Compiler Error C3118
Compiler Error C3120
Compiler Error C3121
Compiler Error C3126
Compiler Error C3130
Compiler Error C3131
Compiler Error C3132
Compiler Error C3133
Compiler Error C3134
Compiler Error C3135
Compiler Error C3136
Compiler Error C3137
Compiler Error C3138
Compiler Error C3139
Compiler Error C3140
Compiler Error C3141
Compiler Error C3142
Compiler Error C3145
Compiler Error C3146
Compiler Error C3147
Compiler Error C3148
Compiler Error C3149
Compiler Error C3150
Compiler Error C3151
Compiler Error C3152
Compiler Error C3153
Compiler Error C3154
Compiler Error C3155
Compiler Error C3156
Compiler Error C3157
Compiler Error C3159
Compiler Error C3160
Compiler Error C3161
Compiler Error C3162
Compiler Error C3163
Compiler Error C3164
Compiler Error C3166
Compiler Error C3167
Compiler Error C3168
Compiler Error C3170
Compiler Error C3171
Compiler Error C3172
Compiler Error C3173
Compiler Error C3174
Compiler Error C3175
Compiler Error C3176
Compiler Error C3179
Compiler Error C3180
Compiler Error C3181
Compiler Error C3182
Compiler Error C3183
Compiler Error C3185
Compiler Error C3186
Compiler Error C3188
Compiler Error C3189
Compiler Error C3190
Compiler Error C3191
Compiler Error C3192
Compiler Error C3194
Compiler Error C3195
Compiler Error C3196
Compiler Error C3197
Compiler Error C3198
Compiler Error C3199
Compiler Error C3200
Compiler Error C3201
Compiler Error C3202
Compiler Error C3203
Compiler Error C3204
Compiler Error C3205
Compiler Error C3206
Compiler Error C3207
Compiler Error C3208
Compiler Error C3209
Compiler Error C3210
Compiler Error C3211
Compiler Error C3212
Compiler Error C3213
Compiler Error C3214
Compiler Error C3215
Compiler Error C3216
Compiler Error C3217
Compiler Error C3218
Compiler Error C3219
Compiler Error C3222
Compiler Error C3223
Compiler Error C3224
Compiler Error C3225
Compiler Error C3226
Compiler Error C3227
Compiler Error C3228
Compiler Error C3229
Compiler Error C3230
Compiler Error C3231
Compiler Error C3232
Compiler Error C3233
Compiler Error C3234
Compiler Error C3235
Compiler Error C3236
Compiler Error C3237
Compiler Error C3238
Compiler Error C3239
Compiler Error C3240
Compiler Error C3241
Compiler Error C3242
Compiler Error C3243
Compiler Error C3244
Compiler Error C3246
Compiler Error C3247
Compiler Error C3248
Compiler Error C3251
Compiler Error C3252
Compiler Error C3253
Compiler Error C3254
Compiler Error C3255
Compiler Error C3257
Compiler Error C3258
Compiler Error C3261
Compiler Error C3262
Compiler Error C3264
Compiler Error C3265
Compiler Error C3266
Compiler Error C3267
Compiler Error C3268
Compiler Error C3269
Compiler Error C3270
Compiler Error C3271
Compiler Error C3272
Compiler Error C3273
Compiler Error C3274
Compiler Error C3275
Compiler Error C3276
Compiler Error C3277
Compiler Error C3278
Compiler Error C3279
Compiler Error C3280
Compiler Error C3281
Compiler Error C3282
Compiler Error C3283
Compiler Error C3284
Compiler Error C3285
Compiler Error C3286
Compiler Error C3287
Compiler Error C3288
Compiler Error C3289
Compiler Error C3290
Compiler Error C3291
Compiler Error C3292
Compiler Error C3293
Compiler Error C3294
Compiler Error C3295
Compiler Error C3296
Compiler Error C3297
Compiler Error C3298
Compiler Error C3299
Compiler Error C3303
Compiler Error C3304
Compiler Error C3305
Compiler Error C3309
Compiler Error C3320
Compiler Error C3322
Compiler Error C3333
Compiler Error C3334
Compiler Error C3340
Compiler Error C3342
Compiler Error C3345
Compiler Error C3347
Compiler Error C3350
Compiler Error C3351
Compiler Error C3352
Compiler Error C3353
Compiler Error C3354
Compiler Error C3356
Compiler Error C3358
Compiler Error C3360
Compiler Error C3363
Compiler Error C3364
Compiler Error C3365
Compiler Error C3366
Compiler Error C3367
Compiler Error C3368
Compiler Error C3369
Compiler Error C3370
Compiler Error C3371
Compiler Error C3372
Compiler Error C3373
Compiler Error C3374
Compiler Error C3375
Compiler Error C3379
Compiler Error C3380
Compiler Error C3381
Compiler Error C3382
Compiler Error C3383
Compiler Error C3384
Compiler Error C3385
Compiler Error C3386
Compiler Error C3387
Compiler Error C3388
Compiler Error C3389
Compiler Error C3390
Compiler Error C3391
Compiler Error C3392
Compiler Error C3393
Compiler Error C3394
Compiler Error C3395
Compiler Error C3396
Compiler Error C3397
Compiler Error C3398
Compiler Error C3399
Compiler Error C3400
Compiler Error C3408
Compiler Error C3409
Compiler Error C3412
Compiler Error C3413
Compiler Error C3414
Compiler Error C3415
Compiler Error C3416
Compiler Error C3417
Compiler Error C3418
Compiler Error C3420
Compiler Error C3421
Compiler Error C3450
Compiler Error C3451
Compiler Error C3452
Compiler Error C3453
Compiler Error C3454
Compiler Error C3455
Compiler Error C3456
Compiler Error C3457
Compiler Error C3458
Compiler Error C3459
Compiler Error C3460
Compiler Error C3461
Compiler Error C3462
Compiler Error C3463
Compiler Error C3464
Compiler Error C3465
Compiler Error C3466
Compiler Error C3467
Compiler Error C3468
Compiler Error C3469
Compiler Error C3470
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Compiler Error C3290

Visual Studio 2008
'type' : a trivial property cannot have reference type

A property was declared incorrectly. When you declare a trivial property, the compiler creates a variable that the property will update, and it is not possible to have a tracking reference variable in a class.

See property and % (Tracking Reference) for more information.

The following sample generates C3290.

Copy 
// C3290.cpp
// compile with: /clr /c
ref struct R {};

ref struct X {
   R^ mr;

   property R % y;   // C3290
   property R ^ x;   // OK

   // OK
   property R% prop {
      R% get() { 
         return *mr; 
      }

      void set(R%) {}
   }
};

int main() {
   X x;
   R% xp = x.prop;
}
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