buffer_history_merge_record_range
September 8th 2024
Merge a range of records into a single group record
Signature
b32
buffer_history_merge_record_range(Application_Links* app,
Buffer_ID buffer_id,
History_Record_Index first_index,
History_Record_Index last_index,
Record_Merge_Flag flags);Parameters
app
the standard custom layer context pointer
buffer_id
the id of the buffer to modify
first_index
the first index in the range to merge
last_index
the last index in the range to merge, forming an inclusive-inclusive range
flags
flags controlling the behavior of the operation
Return
non-zero on success, when the buffer exists, and the index range is contained within the buffer history, otherwise zero
Details
Group records contain all the same information that the range of individual records previously contained. A group is treated as a single unit in undo-redo operations.