#region Imports
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using System;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Windows.Forms;
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#endregion
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namespace DPumpHydr.WinFrmUI.RLT.Controls
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{
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#region ChatButtonLeft
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public class ChatButtonLeft : Control
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{
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#region Variables
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private int MouseState;
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private GraphicsPath Shape;
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private LinearGradientBrush InactiveGB;
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private LinearGradientBrush PressedGB;
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private LinearGradientBrush PressedContourGB;
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private Rectangle R1;
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private readonly Pen P1;
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private Pen P3;
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private Image _Image;
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private Size _ImageSize;
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private StringAlignment _TextAlignment = StringAlignment.Center;
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private Color _TextColor = Color.FromArgb(150, 150, 150);
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private ContentAlignment _ImageAlign = ContentAlignment.MiddleLeft;
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#endregion
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#region Image Designer
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private static PointF ImageLocation(StringFormat SF, SizeF Area, SizeF ImageArea)
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{
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PointF MyPoint = default;
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switch (SF.Alignment)
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{
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case StringAlignment.Center:
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MyPoint.X = Convert.ToSingle((Area.Width - ImageArea.Width) / 2);
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break;
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case StringAlignment.Near:
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MyPoint.X = 2;
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break;
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case StringAlignment.Far:
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MyPoint.X = Area.Width - ImageArea.Width - 2;
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break;
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}
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switch (SF.LineAlignment)
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{
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case StringAlignment.Center:
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MyPoint.Y = Convert.ToSingle((Area.Height - ImageArea.Height) / 2);
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break;
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case StringAlignment.Near:
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MyPoint.Y = 2;
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break;
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case StringAlignment.Far:
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MyPoint.Y = Area.Height - ImageArea.Height - 2;
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break;
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}
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return MyPoint;
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}
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private static StringFormat GetStringFormat(ContentAlignment _ContentAlignment)
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{
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StringFormat SF = new();
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switch (_ContentAlignment)
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{
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case ContentAlignment.MiddleCenter:
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SF.LineAlignment = StringAlignment.Center;
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SF.Alignment = StringAlignment.Center;
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break;
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case ContentAlignment.MiddleLeft:
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SF.LineAlignment = StringAlignment.Center;
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SF.Alignment = StringAlignment.Near;
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break;
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case ContentAlignment.MiddleRight:
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SF.LineAlignment = StringAlignment.Center;
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SF.Alignment = StringAlignment.Far;
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break;
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case ContentAlignment.TopCenter:
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SF.LineAlignment = StringAlignment.Near;
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SF.Alignment = StringAlignment.Center;
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break;
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case ContentAlignment.TopLeft:
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SF.LineAlignment = StringAlignment.Near;
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SF.Alignment = StringAlignment.Near;
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break;
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case ContentAlignment.TopRight:
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SF.LineAlignment = StringAlignment.Near;
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SF.Alignment = StringAlignment.Far;
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break;
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case ContentAlignment.BottomCenter:
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SF.LineAlignment = StringAlignment.Far;
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SF.Alignment = StringAlignment.Center;
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break;
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case ContentAlignment.BottomLeft:
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SF.LineAlignment = StringAlignment.Far;
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SF.Alignment = StringAlignment.Near;
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break;
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case ContentAlignment.BottomRight:
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SF.LineAlignment = StringAlignment.Far;
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SF.Alignment = StringAlignment.Far;
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break;
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}
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return SF;
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}
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#endregion
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#region Properties
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public Image Image
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{
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get => _Image;
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set
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{
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if (value == null)
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{
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_ImageSize = Size.Empty;
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}
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else
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{
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_ImageSize = value.Size;
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}
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_Image = value;
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Invalidate();
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}
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}
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protected Size ImageSize => _ImageSize;
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public ContentAlignment ImageAlign
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{
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get => _ImageAlign;
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set
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{
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_ImageAlign = value;
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Invalidate();
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}
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}
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public StringAlignment TextAlignment
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{
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get => _TextAlignment;
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set
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{
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_TextAlignment = value;
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Invalidate();
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}
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}
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public override Color ForeColor
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{
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get => _TextColor;
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set
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{
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_TextColor = value;
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Invalidate();
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}
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}
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#endregion
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#region EventArgs
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protected override void OnMouseUp(MouseEventArgs e)
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{
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MouseState = 0;
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Invalidate();
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base.OnMouseUp(e);
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}
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protected override void OnMouseDown(MouseEventArgs e)
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{
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MouseState = 1;
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Invalidate();
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base.OnMouseDown(e);
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}
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protected override void OnMouseLeave(EventArgs e)
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{
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MouseState = 0;
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Invalidate();
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base.OnMouseLeave(e);
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}
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protected override void OnTextChanged(EventArgs e)
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{
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Invalidate();
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base.OnTextChanged(e);
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}
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public Color InactiveColorA { get; set; } = Color.FromArgb(251, 251, 251);
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public Color InactiveColorB { get; set; } = Color.FromArgb(225, 225, 225);
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public Color PressedColorA { get; set; } = Color.FromArgb(235, 235, 235);
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public Color PressedColorB { get; set; } = Color.FromArgb(223, 223, 223);
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public Color PressedContourColorA { get; set; } = Color.FromArgb(167, 167, 167);
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public Color PressedContourColorB { get; set; } = Color.FromArgb(167, 167, 167);
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#endregion
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public ChatButtonLeft()
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{
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SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw | ControlStyles.SupportsTransparentBackColor | ControlStyles.UserPaint, true);
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BackColor = Color.Transparent;
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DoubleBuffered = true;
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Font = new("Segoe UI", 12);
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ForeColor = Color.FromArgb(150, 150, 150);
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Size = new(166, 40);
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_TextAlignment = StringAlignment.Center;
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P1 = new(Color.FromArgb(190, 190, 190)); // P1 = Border color
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Cursor = Cursors.Hand;
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}
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protected override void OnResize(EventArgs e)
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{
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if (Width > 0 && Height > 0)
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{
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Shape = new();
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R1 = new(0, 0, Width, Height);
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InactiveGB = new(new Rectangle(0, 0, Width, Height), InactiveColorA, InactiveColorB, 90f);
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PressedGB = new(new Rectangle(0, 0, Width, Height), PressedColorA, PressedColorB, 90f);
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PressedContourGB = new(new Rectangle(0, 0, Width, Height), PressedContourColorA, PressedContourColorB, 90f);
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P3 = new(PressedContourGB);
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}
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GraphicsPath _Shape = Shape;
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_Shape.AddArc(0, 0, 10, 10, 180, 90);
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_Shape.AddArc(Width - 11, 0, 10, 10, -90, 90);
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_Shape.AddArc(Width - 11, Height - 11, 10, 10, 0, 90);
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_Shape.AddArc(0, Height - 11, 10, 10, 90, 90);
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_Shape.CloseAllFigures();
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Invalidate();
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base.OnResize(e);
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}
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protected override void OnPaint(PaintEventArgs e)
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{
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Graphics _G = e.Graphics;
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_G.SmoothingMode = SmoothingMode.HighQuality;
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PointF ipt = ImageLocation(GetStringFormat(ImageAlign), Size, ImageSize);
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switch (MouseState)
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{
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case 0:
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_G.FillPath(InactiveGB, Shape);
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_G.DrawPath(P1, Shape);
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if (Image == null)
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{
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_G.DrawString(Text, Font, new SolidBrush(ForeColor), R1, new StringFormat
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{
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Alignment = _TextAlignment,
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LineAlignment = StringAlignment.Center
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});
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}
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else
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{
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_G.DrawImage(_Image, ipt.X, ipt.Y, ImageSize.Width, ImageSize.Height);
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_G.DrawString(Text, Font, new SolidBrush(ForeColor), R1, new StringFormat
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{
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Alignment = _TextAlignment,
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LineAlignment = StringAlignment.Center
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});
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}
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break;
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case 1:
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_G.FillPath(PressedGB, Shape);
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_G.DrawPath(P3, Shape);
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if (Image == null)
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{
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_G.DrawString(Text, Font, new SolidBrush(ForeColor), R1, new StringFormat
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{
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Alignment = _TextAlignment,
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LineAlignment = StringAlignment.Center
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});
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}
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else
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{
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_G.DrawImage(_Image, ipt.X, ipt.Y, ImageSize.Width, ImageSize.Height);
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_G.DrawString(Text, Font, new SolidBrush(ForeColor), R1, new StringFormat
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{
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Alignment = _TextAlignment,
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LineAlignment = StringAlignment.Center
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});
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}
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break;
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}
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base.OnPaint(e);
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}
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}
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#endregion
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}
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