#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 Button
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public class Button : 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 EnteredGB;
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private Rectangle R1;
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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 _InactiveColor = Color.FromArgb(32, 34, 37);
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private Color _PressedColor = Color.FromArgb(165, 37, 37);
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private Color _EnteredColor = Color.FromArgb(32, 34, 37);
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private Color _BorderColor = Color.FromArgb(32, 34, 37);
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private Color _EnteredBorderColor = Color.FromArgb(165, 37, 37);
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private Color _PressedBorderColor = Color.FromArgb(165, 37, 37);
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private Color _TextColor; // VBConversions Note: Initial value cannot be assigned here since it is non-static. Assignment has been moved to the class constructors.
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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 = new();
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switch (SF.Alignment)
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{
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case StringAlignment.Center:
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MyPoint.X = (float)((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 = (float)((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 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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public Color InactiveColor
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{
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get => _InactiveColor;
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set
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{
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InactiveGB = new(new Rectangle(0, 0, Width, Height), value, value, 90.0F);
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_InactiveColor = value;
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Invalidate();
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}
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}
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public Color PressedColor
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{
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get => _PressedColor;
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set
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{
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PressedGB = new(new Rectangle(0, 0, Width, Height), value, value, 90.0F);
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_PressedColor = value;
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Invalidate();
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}
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}
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public Color EnteredColor
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{
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get => _EnteredColor;
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set
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{
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EnteredGB = new(new Rectangle(0, 0, Width, Height), value, value, 90.0F);
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_EnteredColor = value;
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Invalidate();
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}
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}
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public Color BorderColor
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{
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get => _BorderColor;
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set
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{
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_BorderColor = value;
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Invalidate();
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}
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}
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public Color EnteredBorderColor
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{
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get => _EnteredBorderColor;
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set
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{
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_EnteredBorderColor = value;
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Invalidate();
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}
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}
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public Color PressedBorderColor
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{
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get => _PressedBorderColor;
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set
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{
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_PressedBorderColor = 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 = 2;
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Invalidate();
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base.OnMouseUp(e);
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}
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/*protected override void OnMouseMove(MouseEventArgs e)
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{
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if (Enabled == true)
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Cursor = Cursors.Hand;
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else
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Cursor = Cursors.No;
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base.OnMouseMove(e);
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}*/
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protected override void OnMouseEnter(EventArgs e)
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{
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MouseState = 2;
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Invalidate();
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base.OnMouseEnter(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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Focus();
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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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#endregion
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public Button()
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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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Cursor = Cursors.Hand;
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DoubleBuffered = true;
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Font = new("Microsoft Sans Serif", 12);
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ForeColor = Color.FromArgb(255, 255, 255);
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Size = new(120, 40);
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_TextAlignment = StringAlignment.Center;
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}
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protected override void OnResize(EventArgs e)
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{
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base.OnResize(e);
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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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EnteredGB = new(new Rectangle(0, 0, Width, Height), EnteredColor, EnteredColor, 90.0F);
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PressedGB = new(new Rectangle(0, 0, Width, Height), PressedColor, PressedColor, 90.0F);
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InactiveGB = new(new Rectangle(0, 0, Width, Height), InactiveColor, InactiveColor, 90.0F);
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}
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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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}
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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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//Inactive
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G.FillPath(InactiveGB, Shape);
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// Fill button body with InactiveGB color gradient
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G.DrawPath(new(BorderColor), Shape);
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// Draw button border [InactiveGB]
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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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//Pressed
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G.FillPath(PressedGB, Shape);
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// Fill button body with PressedGB color gradient
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G.DrawPath(new(PressedBorderColor), Shape);
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// Draw button border [PressedGB]
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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 2:
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//Entered
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G.FillPath(EnteredGB, Shape);
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// Fill button body with EnteredGB color gradient
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G.DrawPath(new(EnteredBorderColor), Shape);
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// Draw button border [EnteredGB]
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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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