/// <summary>
/// Removes the <code>selectedRows</code> from the table.
/// </summary>
/// <param name="selectedColumns">Collection of indices to the columns that should be removed.</param>
/// <param name="selectedRows">Collection of indizes to the rows that should be removed.</param>
public void RemoveRowsInColumns(IAscendingIntegerCollection selectedColumns, IAscendingIntegerCollection selectedRows)
{
// if we remove rows, we have to do that in reverse order
Suspend();
for(int selcol=0;selcol<selectedColumns.Count;selcol++)
{
int colidx = selectedColumns[selcol];
int rangestart=0, rangecount=0;
int i = selectedRows.Count-1;
while(selectedRows.GetNextRangeDescending(ref i, ref rangestart, ref rangecount))
{
this[colidx].RemoveRows(rangestart,rangecount);
}
}
Resume();
}
public void RemoveColumns(IAscendingIntegerCollection selectedColumns, bool disposeColumns)
{
int nOriginalColumnCount = ColumnCount;
int currentPosition = selectedColumns.Count-1;
int nFirstColumn=0;
int nDelCount=0;
while(selectedColumns.GetNextRangeDescending(ref currentPosition, ref nFirstColumn, ref nDelCount))
{
// first, Dispose the columns and set the places to null
for(int i=nFirstColumn+nDelCount-1;i>=nFirstColumn;i--)
{
string columnName = GetColumnName(this[i]);
if(this.m_ColumnScripts.Contains(this[i]))
this.m_ColumnScripts.Remove(this[i]);
this.m_ColumnInfo.Remove(m_ColumnsByNumber[i]);
this.m_ColumnsByName.Remove(columnName);
this[i].ParentObject=null;
if(disposeColumns)
this[i].Dispose();
}
this.m_ColumnsByNumber.RemoveRange(nFirstColumn, nDelCount);
}
// renumber the remaining columns
for(int i=m_ColumnsByNumber.Count-1;i>=nFirstColumn;i--)
((DataColumnInfo)m_ColumnInfo[m_ColumnsByNumber[i]]).Number = i;
// raise datachange event that some columns have changed
this.EhChildChanged(null, ChangeEventArgs.CreateColumnRemoveArgs(nFirstColumn, nOriginalColumnCount, this.m_NumberOfRows));
// reset the TriedOutRegularNaming flag, maybe one of the regular column names is now free again
this._TriedOutRegularNaming = false;
}