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meelstorm
211
framework/MaterialSkin.Core/Controls/MaterialRadioButton.cs
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211
framework/MaterialSkin.Core/Controls/MaterialRadioButton.cs
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using System;
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using System.ComponentModel;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Drawing.Text;
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using System.Windows.Forms;
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using MaterialSkin.Animations;
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namespace MaterialSkin.Controls
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{
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public class MaterialRadioButton : RadioButton, IMaterialControl
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{
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[Browsable(false)]
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public int Depth { get; set; }
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[Browsable(false)]
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public MaterialSkinManager SkinManager => MaterialSkinManager.Instance;
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[Browsable(false)]
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public MouseState MouseState { get; set; }
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[Browsable(false)]
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public Point MouseLocation { get; set; }
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private bool ripple;
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[Category("Behavior")]
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public bool Ripple
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{
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get { return ripple; }
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set
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{
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ripple = value;
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AutoSize = AutoSize; //Make AutoSize directly set the bounds.
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if (value)
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{
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Margin = new Padding(0);
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}
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Invalidate();
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}
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}
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// animation managers
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private readonly AnimationManager _animationManager;
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private readonly AnimationManager _rippleAnimationManager;
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// size related variables which should be recalculated onsizechanged
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private Rectangle _radioButtonBounds;
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private int _boxOffset;
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// size constants
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private const int RADIOBUTTON_SIZE = 19;
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private const int RADIOBUTTON_SIZE_HALF = RADIOBUTTON_SIZE / 2;
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private const int RADIOBUTTON_OUTER_CIRCLE_WIDTH = 2;
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private const int RADIOBUTTON_INNER_CIRCLE_SIZE = RADIOBUTTON_SIZE - (2 * RADIOBUTTON_OUTER_CIRCLE_WIDTH);
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public MaterialRadioButton()
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{
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SetStyle(ControlStyles.DoubleBuffer | ControlStyles.OptimizedDoubleBuffer, true);
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_animationManager = new AnimationManager
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{
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AnimationType = AnimationType.EaseInOut,
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Increment = 0.06
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};
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_rippleAnimationManager = new AnimationManager(false)
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{
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AnimationType = AnimationType.Linear,
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Increment = 0.10,
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SecondaryIncrement = 0.08
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};
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_animationManager.OnAnimationProgress += sender => Invalidate();
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_rippleAnimationManager.OnAnimationProgress += sender => Invalidate();
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CheckedChanged += (sender, args) => _animationManager.StartNewAnimation(Checked ? AnimationDirection.In : AnimationDirection.Out);
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SizeChanged += OnSizeChanged;
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Ripple = true;
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MouseLocation = new Point(-1, -1);
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}
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private void OnSizeChanged(object sender, EventArgs eventArgs)
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{
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_boxOffset = Height / 2 - (int)Math.Ceiling(RADIOBUTTON_SIZE / 2d);
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_radioButtonBounds = new Rectangle(_boxOffset, _boxOffset, RADIOBUTTON_SIZE, RADIOBUTTON_SIZE);
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}
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public override Size GetPreferredSize(Size proposedSize)
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{
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var width = _boxOffset + 20 + (int)CreateGraphics().MeasureString(Text, SkinManager.ROBOTO_MEDIUM_10).Width;
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return Ripple ? new Size(width, 30) : new Size(width, 20);
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}
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protected override void OnPaint(PaintEventArgs pevent)
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{
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var g = pevent.Graphics;
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g.SmoothingMode = SmoothingMode.AntiAlias;
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g.TextRenderingHint = TextRenderingHint.AntiAlias;
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// clear the control
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g.Clear(Parent.BackColor);
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var RADIOBUTTON_CENTER = _boxOffset + RADIOBUTTON_SIZE_HALF;
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var animationProgress = _animationManager.GetProgress();
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int colorAlpha = Enabled ? (int)(animationProgress * 255.0) : SkinManager.GetCheckBoxOffDisabledColor().A;
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int backgroundAlpha = Enabled ? (int)(SkinManager.GetCheckboxOffColor().A * (1.0 - animationProgress)) : SkinManager.GetCheckBoxOffDisabledColor().A;
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float animationSize = (float)(animationProgress * 8f);
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float animationSizeHalf = animationSize / 2;
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animationSize = (float)(animationProgress * 9f);
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var brush = new SolidBrush(Color.FromArgb(colorAlpha, Enabled ? SkinManager.ColorScheme.AccentColor : SkinManager.GetCheckBoxOffDisabledColor()));
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var pen = new Pen(brush.Color);
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// draw ripple animation
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if (Ripple && _rippleAnimationManager.IsAnimating())
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{
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for (var i = 0; i < _rippleAnimationManager.GetAnimationCount(); i++)
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{
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var animationValue = _rippleAnimationManager.GetProgress(i);
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var animationSource = new Point(RADIOBUTTON_CENTER, RADIOBUTTON_CENTER);
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var rippleBrush = new SolidBrush(Color.FromArgb((int)((animationValue * 40)), ((bool)_rippleAnimationManager.GetData(i)[0]) ? Color.Black : brush.Color));
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var rippleHeight = (Height % 2 == 0) ? Height - 3 : Height - 2;
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var rippleSize = (_rippleAnimationManager.GetDirection(i) == AnimationDirection.InOutIn) ? (int)(rippleHeight * (0.8d + (0.2d * animationValue))) : rippleHeight;
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using (var path = DrawHelper.CreateRoundRect(animationSource.X - rippleSize / 2, animationSource.Y - rippleSize / 2, rippleSize, rippleSize, rippleSize / 2))
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{
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g.FillPath(rippleBrush, path);
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}
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rippleBrush.Dispose();
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}
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}
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// draw radiobutton circle
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Color uncheckedColor = DrawHelper.BlendColor(Parent.BackColor, Enabled ? SkinManager.GetCheckboxOffColor() : SkinManager.GetCheckBoxOffDisabledColor(), backgroundAlpha);
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using (var path = DrawHelper.CreateRoundRect(_boxOffset, _boxOffset, RADIOBUTTON_SIZE, RADIOBUTTON_SIZE, 9f))
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{
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g.FillPath(new SolidBrush(uncheckedColor), path);
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if (Enabled)
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{
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g.FillPath(brush, path);
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}
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}
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g.FillEllipse(
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new SolidBrush(Parent.BackColor),
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RADIOBUTTON_OUTER_CIRCLE_WIDTH + _boxOffset,
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RADIOBUTTON_OUTER_CIRCLE_WIDTH + _boxOffset,
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RADIOBUTTON_INNER_CIRCLE_SIZE,
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RADIOBUTTON_INNER_CIRCLE_SIZE);
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if (Checked)
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{
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using (var path = DrawHelper.CreateRoundRect(RADIOBUTTON_CENTER - animationSizeHalf, RADIOBUTTON_CENTER - animationSizeHalf, animationSize, animationSize, 4f))
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{
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g.FillPath(brush, path);
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}
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}
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SizeF stringSize = g.MeasureString(Text, SkinManager.ROBOTO_MEDIUM_10);
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g.DrawString(Text, SkinManager.ROBOTO_MEDIUM_10, Enabled ? SkinManager.GetPrimaryTextBrush() : SkinManager.GetDisabledOrHintBrush(), _boxOffset + 22, Height / 2 - stringSize.Height / 2);
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brush.Dispose();
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pen.Dispose();
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}
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private bool IsMouseInCheckArea()
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{
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return _radioButtonBounds.Contains(MouseLocation);
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}
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protected override void OnCreateControl()
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{
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base.OnCreateControl();
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Font = SkinManager.ROBOTO_MEDIUM_10;
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if (DesignMode) return;
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MouseState = MouseState.OUT;
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MouseEnter += (sender, args) =>
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{
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MouseState = MouseState.HOVER;
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};
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MouseLeave += (sender, args) =>
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{
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MouseLocation = new Point(-1, -1);
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MouseState = MouseState.OUT;
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};
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MouseDown += (sender, args) =>
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{
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MouseState = MouseState.DOWN;
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if (Ripple && args.Button == MouseButtons.Left && IsMouseInCheckArea())
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{
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_rippleAnimationManager.SecondaryIncrement = 0;
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_rippleAnimationManager.StartNewAnimation(AnimationDirection.InOutIn, new object[] { Checked });
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}
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};
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MouseUp += (sender, args) =>
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{
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MouseState = MouseState.HOVER;
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_rippleAnimationManager.SecondaryIncrement = 0.08;
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};
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MouseMove += (sender, args) =>
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{
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MouseLocation = args.Location;
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Cursor = IsMouseInCheckArea() ? Cursors.Hand : Cursors.Default;
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};
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}
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}
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}
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