BeginUpdateResource

The BeginUpdateResource function returns a handle that can be used by the UpdateResource function to add, delete, or replace resources in an executable file.

HANDLE BeginUpdateResource(

LPCTSTR pFileName,	// pointer to file in which to update resources
BOOL bDeleteExistingResources	// deletion option
);

Parameters

pFileName

Pointer to a null-terminated string that specifies a Windows executable file in which to update resources. An application must be able to obtain write access to this file; it cannot be currently executing. If pFileName does not specify a full path, Windows searches for the file in the current directory.

bDeleteExistingResources

Specifies whether to delete the pFileName parameter's existing resources. If this parameter is TRUE, existing resources are deleted and the updated executable file includes only resources added with the UpdateResource function. If this parameter is FALSE, the updated executable file includes existing resources unless they are explicitly deleted or replaced by using UpdateResource.

Return Values

If the function succeeds, the return value is a handle that can be used by the UpdateResource and EndUpdateResource functions. The return value is NULL if the specified file is not an executable file, the executable file is already loaded, the file does not exist, or the file cannot be opened for writing. To get extended error information, call GetLastError.

See Also

EndUpdateResource, UpdateResource

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