public TreeViewAdv()
{
InitializeComponent();
SetStyle(ControlStyles.AllPaintingInWmPaint
| ControlStyles.UserPaint
| ControlStyles.OptimizedDoubleBuffer
| ControlStyles.ResizeRedraw
| ControlStyles.Selectable
, true);
if (Application.RenderWithVisualStyles)
{
_columnHeaderHeight = 20;
}
else
{
_columnHeaderHeight = 17;
}
//BorderStyle = BorderStyle.Fixed3D;
_hScrollBar.Height = SystemInformation.HorizontalScrollBarHeight;
_vScrollBar.Width = SystemInformation.VerticalScrollBarWidth;
_rowLayout = new FixedRowHeightLayout(this, RowHeight);
_rowMap = new List <TreeNodeAdv>();
_selection = new List <TreeNodeAdv>();
_readonlySelection = new ReadOnlyCollection <TreeNodeAdv>(_selection);
_columns = new TreeColumnCollection(this);
_toolTip = new ToolTip();
_measureContext = new DrawContext();
_measureContext.Font = Font;
_measureContext.Graphics = Graphics.FromImage(new Bitmap(1, 1));
Input = new NormalInputState(this);
_search = new IncrementalSearch(this);
CreateNodes();
CreatePens();
ArrangeControls();
_plusMinus = new NodePlusMinus();
_controls = new NodeControlsCollection(this);
Font = _font;
ExpandingIcon.IconChanged += ExpandingIconChanged;
}
internal void ChangeInput()
{
if ((ModifierKeys & Keys.Shift) == Keys.Shift)
{
if (!(Input is InputWithShift))
{
Input = new InputWithShift(this);
}
}
else if ((ModifierKeys & Keys.Control) == Keys.Control)
{
if (!(Input is InputWithControl))
{
Input = new InputWithControl(this);
}
}
else
{
if (!(Input.GetType() == typeof(NormalInputState)))
{
Input = new NormalInputState(this);
}
}
}