Little Registry Cleaner/Common Tools/TreeViewAdv/Tree/TreeViewAdv.Input.cs

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using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.Drawing;
using Common_Tools.TreeViewAdv.Tree.NodeControls;
using System.Drawing.Imaging;
using System.Threading;

namespace Common_Tools.TreeViewAdv.Tree
{
	public partial class TreeViewAdv
	{
		#region Keys

		protected override bool IsInputChar(char charCode)
		{
			return true;
		}

		protected override bool IsInputKey(Keys keyData)
		{
			if (((keyData & Keys.Up) == Keys.Up)
				|| ((keyData & Keys.Down) == Keys.Down)
				|| ((keyData & Keys.Left) == Keys.Left)
				|| ((keyData & Keys.Right) == Keys.Right))
				return true;
			else
				return base.IsInputKey(keyData);
		}

		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);
			}
		}

		protected override void OnKeyDown(KeyEventArgs e)
		{
			base.OnKeyDown(e);
			if (!e.Handled)
			{
				if (e.KeyCode == Keys.ShiftKey || e.KeyCode == Keys.ControlKey)
					ChangeInput();
				Input.KeyDown(e);
				if (!e.Handled)
				{