Parameters
- index
- The starting index.
- blockIndex
- The start index of the block.
- blockIndex2
- The end index of the block.
- level
- The group level of the block.
- collapsed
- if set to
true
, the corresponding group is collapsed; otherwise,false
.
Return Value
An integer value represents the access key of the current block. System.Int32.MaxValue if there is no more block after.