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HANDLE_CREATION_OPTIONS enumeration (windowsstoragecom.h)

Represents the action to take depending on whether the file already exists.

Syntax

typedef enum HANDLE_CREATION_OPTIONS {
  HCO_CREATE_NEW = 0x1,
  HCO_CREATE_ALWAYS = 0x2,
  HCO_OPEN_EXISTING = 0x3,
  HCO_OPEN_ALWAYS = 0x4,
  HCO_TRUNCATE_EXISTING = 0x5
} ;

Constants

 
HCO_CREATE_NEW
Value: 0x1
Create a new file. The operation fails if the file already exists.
HCO_CREATE_ALWAYS
Value: 0x2
Create a new file. If the file already exists, then it is truncated so that its size is zero bytes.
HCO_OPEN_EXISTING
Value: 0x3
Open a file only if it exists. The operation fails if the file does not exist.
HCO_OPEN_ALWAYS
Value: 0x4
Open a file, creating it if it does not already exist.
HCO_TRUNCATE_EXISTING
Value: 0x5
Open a file and truncates it so that its size is zero bytes. The operation fails if the file does not exist.

Requirements

Requirement Value
Minimum supported client Windows 10 [desktop apps only]
Minimum supported server Windows Server 2016 [desktop apps only]
Header windowsstoragecom.h