/// <summary>
/// Form a SLMergeCell given a corner cell of the to-be-merged rectangle of cells, and the opposite corner cell. For example, the top-left corner cell and the bottom-right corner cell. Or the bottom-left corner cell and the top-right corner cell.
/// </summary>
/// <param name="StartRowIndex">The row index of the corner cell.</param>
/// <param name="StartColumnIndex">The column index of the corner cell.</param>
/// <param name="EndRowIndex">The row index of the opposite corner cell.</param>
/// <param name="EndColumnIndex">The column index of the opposite corner cell.</param>
public void FromIndices(int StartRowIndex, int StartColumnIndex, int EndRowIndex, int EndColumnIndex)
{
if (StartRowIndex < EndRowIndex)
{
iStartRowIndex = StartRowIndex;
iEndRowIndex = EndRowIndex;
}
else
{
iStartRowIndex = EndRowIndex;
iEndRowIndex = StartRowIndex;
}
if (StartColumnIndex < EndColumnIndex)
{
iStartColumnIndex = StartColumnIndex;
iEndColumnIndex = EndColumnIndex;
}
else
{
iStartColumnIndex = EndColumnIndex;
iEndColumnIndex = StartColumnIndex;
}
if (iStartRowIndex == iEndRowIndex && iStartColumnIndex == iEndColumnIndex)
{
// it's the same cell! We'll treat this as invalid.
this.bIsValid = false;
}
else
{
this.bIsValid = SLTool.CheckRowColumnIndexLimit(iStartRowIndex, iStartColumnIndex) && SLTool.CheckRowColumnIndexLimit(iEndRowIndex, iEndColumnIndex);
}
}
/// <summary>
/// Insert comment given the row index and column index of the cell it's based on. This will overwrite any existing comment.
/// </summary>
/// <param name="RowIndex">The row index.</param>
/// <param name="ColumnIndex">The column index.</param>
/// <param name="Comment">The cell comment.</param>
/// <returns>False if either the row index or column index (or both) are invalid. True otherwise.</returns>
public bool InsertComment(int RowIndex, int ColumnIndex, SLComment Comment)
{
if (!SLTool.CheckRowColumnIndexLimit(RowIndex, ColumnIndex))
{
return(false);
}
if (!slws.Authors.Contains(Comment.Author))
{
slws.Authors.Add(Comment.Author);
}
SLCellPoint pt = new SLCellPoint(RowIndex, ColumnIndex);
SLComment comm = Comment.Clone();
slws.Comments[pt] = comm;
return(true);
}