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Specifies how to open or create a file.
Syntax
typedef enum __MIDL___MIDL_itf_mfobjects_0000_0018_0002 {
  MF_OPENMODE_FAIL_IF_NOT_EXIST = 0,
  MF_OPENMODE_FAIL_IF_EXIST = 1,
  MF_OPENMODE_RESET_IF_EXIST = 2,
  MF_OPENMODE_APPEND_IF_EXIST = 3,
  MF_OPENMODE_DELETE_IF_EXIST = 4
} MF_FILE_OPENMODE;
Constants
| MF_OPENMODE_FAIL_IF_NOT_EXISTValue: 0 Open an existing file. Fail if the file does not exist. | 
| MF_OPENMODE_FAIL_IF_EXISTValue: 1 Create a new file. Fail if the file already exists. | 
| MF_OPENMODE_RESET_IF_EXISTValue: 2 Open an existing file and truncate it, so that the size is zero bytes. Fail if the file does not already exist. | 
| MF_OPENMODE_APPEND_IF_EXISTValue: 3 If the file does not exist, create a new file. If the file exists, open it. | 
| MF_OPENMODE_DELETE_IF_EXISTValue: 4 Create a new file. If the file exists, overwrite the file. | 
Requirements
| Requirement | Value | 
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] | 
| Minimum supported server | Windows Server 2008 [desktop apps only] | 
| Header | mfobjects.h (include Mfidl.h) |