#region Imports
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using DPumpHydr.WinFrmUI.RLT.Enum.Metro;
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using DPumpHydr.WinFrmUI.RLT.Extension.Metro;
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using DPumpHydr.WinFrmUI.RLT.Interface.Metro;
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using DPumpHydr.WinFrmUI.RLT.Manager;
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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.Text;
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using System.Runtime.InteropServices;
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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 MetroComboBox
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[ToolboxItem(true)]
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[ToolboxBitmap(typeof(MetroComboBox), "Bitmaps.ComboBox.bmp")]
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[DefaultEvent("SelectedIndexChanged")]
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[DefaultProperty("Items")]
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[ComVisible(true)]
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public class MetroComboBox : ComboBox, IMetroControl
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{
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#region Interfaces
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[Category("Metro"), Description("Gets or sets the style associated with the control.")]
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public Style Style
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{
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get => StyleManager?.Style ?? _style;
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set
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{
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_style = value;
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switch (value)
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{
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case Style.Light:
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ApplyTheme();
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break;
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case Style.Dark:
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ApplyTheme(Style.Dark);
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break;
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case Style.Custom:
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ApplyTheme(Style.Custom);
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break;
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default:
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ApplyTheme();
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break;
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}
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Refresh();
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}
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}
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[Category("Metro"), Description("Gets or sets the Style Manager associated with the control.")]
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public MetroStyleManager StyleManager
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{
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get => _styleManager;
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set { _styleManager = value; Invalidate(); }
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}
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[Category("Metro"), Description("Gets or sets the The Author name associated with the theme.")]
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public string ThemeAuthor { get; set; }
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[Category("Metro"), Description("Gets or sets the The Theme name associated with the theme.")]
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public string ThemeName { get; set; }
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#endregion Interfaces
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#region Global Vars
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private readonly Methods _mth;
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private readonly Utilites _utl;
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#endregion Global Vars
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#region Internal Vars
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private Style _style;
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private MetroStyleManager _styleManager;
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private int _startIndex;
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private bool _isDerivedStyle = true;
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private Color _backgroundColor;
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private Color _borderColor;
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private Color _arrowColor;
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private Color _selectedItemForeColor;
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private Color _selectedItemBackColor;
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private Color _disabledBackColor;
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private Color _disabledForeColor;
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private Color _disabledBorderColor;
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#endregion Internal Vars
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#region Constructors
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public MetroComboBox()
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{
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SetStyle
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(
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ControlStyles.AllPaintingInWmPaint |
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ControlStyles.UserPaint |
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ControlStyles.ResizeRedraw |
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ControlStyles.OptimizedDoubleBuffer |
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ControlStyles.SupportsTransparentBackColor,
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true
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);
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UpdateStyles();
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base.Font = MetroFonts.Regular(11);
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base.BackColor = Color.Transparent;
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base.AllowDrop = true;
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DrawMode = DrawMode.OwnerDrawFixed;
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ItemHeight = 20;
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_startIndex = 0;
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CausesValidation = false;
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DropDownStyle = ComboBoxStyle.DropDownList;
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_mth = new Methods();
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_utl = new Utilites();
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ApplyTheme();
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}
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#endregion Constructors
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#region Properties
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[Category("Metro")]
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[Description("Gets or sets the index specifying the currently selected item.")]
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private int StartIndex
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{
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get => _startIndex;
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set
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{
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_startIndex = value;
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try
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{
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SelectedIndex = value;
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}
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catch
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{
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//
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}
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Invalidate();
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}
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}
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[Category("Metro"), Description("Gets or sets the form forecolor.")]
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public override Color ForeColor { get; set; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public override Color BackColor => Color.Transparent;
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[Category("Metro"), Description("Gets or sets the form backcolor.")]
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[DisplayName("BackColor")]
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public Color BackgroundColor
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{
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get => _backgroundColor;
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set
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{
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_backgroundColor = value;
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Refresh();
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}
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}
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[Category("Metro")]
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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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Refresh();
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}
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}
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[Category("Metro")]
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public Color ArrowColor
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{
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get => _arrowColor;
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set
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{
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_arrowColor = value;
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Refresh();
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}
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}
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[Category("Metro")]
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public Color SelectedItemForeColor
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{
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get => _selectedItemForeColor;
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set
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{
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_selectedItemForeColor = value;
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Refresh();
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}
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}
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[Category("Metro")]
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public Color SelectedItemBackColor
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{
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get => _selectedItemBackColor;
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set
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{
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_selectedItemBackColor = value;
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Refresh();
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}
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}
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[Category("Metro")]
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public Color DisabledBackColor
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{
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get => _disabledBackColor;
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set
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{
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_disabledBackColor = value;
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Refresh();
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}
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}
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[Category("Metro")]
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public Color DisabledForeColor
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{
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get => _disabledForeColor;
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set
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{
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_disabledForeColor = value;
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Refresh();
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}
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}
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[Category("Metro")]
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public Color DisabledBorderColor
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{
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get => _disabledBorderColor;
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set
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{
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_disabledBorderColor = value;
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Refresh();
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}
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}
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[Category("Metro")]
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[Description("Gets or sets the whether this control reflect to parent(s) style. \n " +
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"Set it to false if you want the style of this control be independent. ")]
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public bool IsDerivedStyle
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{
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get => _isDerivedStyle;
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set
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{
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_isDerivedStyle = value;
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Refresh();
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}
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}
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#endregion
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#region Draw Control
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protected override void OnDrawItem(DrawItemEventArgs e)
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{
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Graphics g = e.Graphics;
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g.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
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if (e.Index == -1)
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{
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return;
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}
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bool itemState = (e.State & DrawItemState.Selected) == DrawItemState.Selected;
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using SolidBrush bg = new(itemState ? SelectedItemBackColor : BackgroundColor);
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using SolidBrush tc = new(itemState ? SelectedItemForeColor : ForeColor);
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using Font f = new(Font.Name, 9);
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g.FillRectangle(bg, e.Bounds);
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g.DrawString(GetItemText(Items[e.Index]), f, tc, e.Bounds, _mth.SetPosition(StringAlignment.Near));
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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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Rectangle rect = new(0, 0, Width - 1, Height - 1);
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char downArrow = '▼';
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g.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
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using SolidBrush bg = new(Enabled ? BackgroundColor : DisabledBackColor);
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using Pen p = new(Enabled ? BorderColor : DisabledBorderColor);
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using SolidBrush s = new(Enabled ? ArrowColor : DisabledForeColor);
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using SolidBrush tb = new(Enabled ? ForeColor : DisabledForeColor);
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using Font f = MetroFonts.SemiBold(8);
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g.FillRectangle(bg, rect);
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g.TextRenderingHint = TextRenderingHint.AntiAlias;
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g.DrawString(downArrow.ToString(), f, s, new Point(Width - 22, 8));
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g.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
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g.DrawString(Text, f, tb, new Rectangle(7, 0, Width - 1, Height - 1), _mth.SetPosition(StringAlignment.Near));
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g.DrawRectangle(p, rect);
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}
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#endregion
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#region ApplyTheme
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private void ApplyTheme(Style style = Style.Light)
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{
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if (!IsDerivedStyle)
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{
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return;
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}
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switch (style)
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{
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case Style.Light:
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ForeColor = Color.FromArgb(20, 20, 20);
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BackgroundColor = Color.FromArgb(238, 238, 238);
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BorderColor = Color.FromArgb(150, 150, 150);
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ArrowColor = Color.FromArgb(150, 150, 150);
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SelectedItemBackColor = Color.FromArgb(65, 177, 225);
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SelectedItemForeColor = Color.White;
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DisabledBackColor = Color.FromArgb(204, 204, 204);
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DisabledBorderColor = Color.FromArgb(155, 155, 155);
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DisabledForeColor = Color.FromArgb(136, 136, 136);
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ThemeAuthor = "Taiizor";
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ThemeName = "MetroLight";
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UpdateProperties();
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break;
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case Style.Dark:
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ForeColor = Color.FromArgb(204, 204, 204);
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BackgroundColor = Color.FromArgb(34, 34, 34);
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BorderColor = Color.FromArgb(110, 110, 110);
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ArrowColor = Color.FromArgb(110, 110, 110);
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SelectedItemBackColor = Color.FromArgb(65, 177, 225);
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SelectedItemForeColor = Color.White;
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DisabledBackColor = Color.FromArgb(80, 80, 80);
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DisabledBorderColor = Color.FromArgb(109, 109, 109);
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DisabledForeColor = Color.FromArgb(109, 109, 109);
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ThemeAuthor = "Taiizor";
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ThemeName = "MetroDark";
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UpdateProperties();
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break;
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case Style.Custom:
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if (StyleManager != null)
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{
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foreach (System.Collections.Generic.KeyValuePair<string, object> varkey in StyleManager.ComboBoxDictionary)
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{
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switch (varkey.Key)
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{
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case "ForeColor":
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ForeColor = _utl.HexColor((string)varkey.Value);
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break;
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case "BackColor":
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BackgroundColor = _utl.HexColor((string)varkey.Value);
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break;
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case "BorderColor":
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BorderColor = _utl.HexColor((string)varkey.Value);
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break;
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case "ArrowColor":
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ArrowColor = _utl.HexColor((string)varkey.Value);
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break;
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case "SelectedItemBackColor":
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SelectedItemBackColor = _utl.HexColor((string)varkey.Value);
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break;
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case "SelectedItemForeColor":
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SelectedItemForeColor = _utl.HexColor((string)varkey.Value);
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break;
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case "DisabledBackColor":
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DisabledBackColor = _utl.HexColor((string)varkey.Value);
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break;
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case "DisabledBorderColor":
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DisabledBorderColor = _utl.HexColor((string)varkey.Value);
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break;
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case "DisabledForeColor":
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DisabledForeColor = _utl.HexColor((string)varkey.Value);
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break;
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default:
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return;
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}
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}
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}
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UpdateProperties();
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break;
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default:
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throw new ArgumentOutOfRangeException(nameof(style), style, null);
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}
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}
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private void UpdateProperties()
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{
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Invalidate();
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}
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#endregion Theme Changing
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}
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#endregion
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}
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