CreatePatchFileExA/W function

The CreatePatchFileExA and CreatePatchFileExW functions create a delta between the specified source file and the specified target file. Both the source and the target files are provided as paths. The output delta is also written to a provided path. These functions provide progress reporting during the create process.

Syntax

BOOL  PATCHAPI  CreatePatchFileExA(
    ULONG                     OldFileCount,
    PPATCH_OLD_FILE_INFO_A    OldFileInfoArray,
    LPCTSTR                   NewFileName,
    LPCTSTR                   PatchFileName,
    ULONG                     OptionFlags,
    PPATCH_OPTION_DATA        OptionData,
    PPATCH_PROGRESS_CALLBACK  ProgressCallback,
    PVOID                     CallbackContext
    );

BOOL  PATCHAPI  CreatePatchFileExW(
    ULONG                     OldFileCount,
    PPATCH_OLD_FILE_INFO_A    OldFileInfoArray,
    LPCWSTR                   NewFileName,
    LPCWSTR                   PatchFileName,
    ULONG                     OptionFlags,
    PPATCH_OPTION_DATA        OptionData,
    PPATCH_PROGRESS_CALLBACK  ProgressCallback,
    PVOID                     CallbackContext
    );

Parameters

OldFileCount

The total number of source files. Used to create deltas against multiple source files (maximum 255).

OldFileInfoArray

Pointer to source file information array.

NewFileName

The name of the target file.

PatchFileName

The name of the delta that is created.

OptionFlags

Creation flags.

ProgressCallback

Pointer to application-defined progress callback.

CallbackContext

Pointer to application-defined context.

Return value

This function returns TRUE if it succeeds; otherwise, it returns FALSE.

Requirements

Requirement	Value
Header	patchapi.h
DLL	mspatchc.dll
Unicode	Implemented as CreatePatchFileExW (Unicode) and CreatePatchFileExA (ANSI)

See also

PatchAPI