private void SetAutoWidth(int lineIndex)
{
var colIndex = this.TreeGrid.ResolveToGridVisibleColumnIndex(lineIndex);
if (colIndex >= 0 && colIndex < this.TreeGrid.Columns.Count)
{
var column = TreeGrid.Columns[colIndex];
var autoWidth = this.TreeGrid.TreeGridColumnSizer.CalculateAutoFitWidth(column);
var args = new ResizingColumnsEventArgs(this.TreeGrid)
{
ColumnIndex = lineIndex,
Width = autoWidth
};
if (!this.TreeGrid.RaiseResizingColumnsEvent(args))
{
var width = args.Width;
if (column == this.TreeGrid.TreeGridColumnSizer.GetExpanderColumn())
{
width = TreeGrid.TreeGridColumnSizer.CalculateExpanderColumnWidth(column, width);
}
column.ActualWidth = width;
// after resizing, width should be set to refresh the column sizer
column.Width = args.Width;
TreeGrid.TreeGridPanel.ColumnWidths[lineIndex] = width;
}
}
}
private static void DataGrid_ResizingColumns(object sender, ResizingColumnsEventArgs e)
{
_currentState = ResizeState.StartResize;
}
private static void DataGrid_ResizingColumns(object sender, ResizingColumnsEventArgs e)
{
_resizeState = GridColumnEventState.ResizeStart;
_lastMovedCol = e.ColumnIndex;
_orderChanged = false;
}
} // end method DataGridStrikePriceVolumeTable_SelectionChanged
// Enable the button for restoring column width if any column is resized by the user.
private void DataGridStrikePriceVolumeTable_OnResizingColumns(object sender, ResizingColumnsEventArgs e)
{
if (e.Reason == ColumnResizingReason.Resized)
ButtonRestoreColumnWidth.IsEnabled = true;
} // end method DataGridStrikePriceVolumeTable_OnResizingColumns
