> ## Documentation Index
> Fetch the complete documentation index at: https://docs.abbyy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# CaseRecognitionModeEnum

CaseRecognitionModeEnum enumeration constants denote the modes of letter case recognition.

```
typedef enum {
 CRM_AutoCase,
 CRM_SmallCase,
 CRM_CapitalCase
} CaseRecognitionModeEnum;
```

## Elements

| Name               | Description                                                                                                             |
| ------------------ | ----------------------------------------------------------------------------------------------------------------------- |
| CRM\\\_AutoCase    | This value tells ABBYY FineReader Engine to automatically detect the case of letters and to keep it in the output text. |
| CRM\\\_CapitalCase | The recognized text will be set in capitals.                                                                            |
| CRM\\\_SmallCase   | The recognized text will be set in lowercase letters.                                                                   |

## Used in

[IRecognizerParams::CaseRecognitionMode](/fine-reader/engine/api-reference/parameter-objects/preprocessing-analysis-recognition-and-synthesis-parameters/recognizerparams#caserecognitionmode)