public void AutoSizeColumn(TreeColumn column)
{
if (!Columns.Contains(column))
{
throw new ArgumentException("column");
}
DrawContext context = new DrawContext();
context.Graphics = Graphics.FromImage(new Bitmap(1, 1));
context.Font = this.Font;
int res = 0;
for (int row = 0; row < RowCount; row++)
{
if (row < RowMap.Count)
{
int w = 0;
TreeNodeAdv node = RowMap[row];
foreach (NodeControl nc in NodeControls)
{
if (nc.ParentColumn == column)
{
//w += nc.GetActualSize(node, _measureContext).Width;
w += nc.GetActualSize(node, context).Width;
}
}
res = Math.Max(res, w);
}
}
if (res > 0)
{
column.Width = res;
}
}
public ResizeColumnState(TreeViewAdv tree, TreeColumn column, Point p)
: base(tree, column)
{
_initLocation = p;
_initWidth = column.Width;
}
public ClickColumnState(TreeViewAdv tree, TreeColumn column, Point location)
: base(tree, column)
{
_location = location;
}
public ColumnState(TreeViewAdv tree, TreeColumn column)
: base(tree)
{
_column = column;
}
public TreeColumnEventArgs(TreeColumn column)
{
_column = column;
}