268 lines
8.7 KiB
C#
268 lines
8.7 KiB
C#
/******************************************************************************
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* SunnyUI 开源控件库、工具类库、扩展类库、多页面开发框架。
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* CopyRight (C) 2012-2022 ShenYongHua(沈永华).
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* QQ群：56829229 QQ：17612584 EMail：SunnyUI@QQ.Com
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*
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* Blog: https://www.cnblogs.com/yhuse
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* Gitee: https://gitee.com/yhuse/SunnyUI
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* GitHub: https://github.com/yhuse/SunnyUI
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*
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* SunnyUI.dll can be used for free under the GPL-3.0 license.
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* If you use this code, please keep this note.
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* 如果您使用此代码，请保留此说明。
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******************************************************************************
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* 文件名称: UISwitch.cs
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* 文件说明: 开关
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* 当前版本: V3.0
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* 创建日期: 2020-01-01
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*
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* 2020-01-01: V2.2.0 增加文件说明
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* 2020-04-25: V2.2.4 更新主题配置类
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* 2021-05-06: V3.0.3 更新Active状态改变时触发ValueChanged事件
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* 2021-09-14: V3.0.7 增加Disabled颜色
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* 2022-01-02: V3.0.9 增加是否只读属性
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******************************************************************************/
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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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namespace Sunny.UI
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{
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[DefaultEvent("ValueChanged")]
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[DefaultProperty("Active")]
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[ToolboxItem(true)]
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public sealed class UISwitch : UIControl
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{
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/// <summary>
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///
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/// </summary>
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/// <param name="sender">对象</param>
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/// <param name="value">开关值</param>
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public delegate void OnValueChanged(object sender, bool value);
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public enum UISwitchShape
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{
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Round,
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Square
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}
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public UISwitch()
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{
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SetStyleFlags();
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Height = 29;
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Width = 75;
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ShowText = false;
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ShowRect = false;
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foreColor = Color.White;
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inActiveColor = Color.Gray;
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fillColor = Color.White;
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}
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[DefaultValue(false)]
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[Description("是否只读"), Category("SunnyUI")]
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public bool ReadOnly { get; set; }
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private UISwitchShape switchShape = UISwitchShape.Round;
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[Description("开关形状"), Category("SunnyUI")]
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[DefaultValue(UISwitchShape.Round)]
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public UISwitchShape SwitchShape
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{
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get => switchShape;
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set
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{
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switchShape = value;
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Invalidate();
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}
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}
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public event OnValueChanged ValueChanged;
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public event EventHandler ActiveChanged;
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/// <summary>
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/// 字体颜色
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/// </summary>
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[Description("字体颜色"), Category("SunnyUI")]
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[DefaultValue(typeof(Color), "White")]
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public override Color ForeColor
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{
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get => foreColor;
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set => SetForeColor(value);
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}
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private bool activeValue;
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[DefaultValue(false)]
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[Description("是否打开"), Category("SunnyUI")]
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public bool Active
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{
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get => activeValue;
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set
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{
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if (activeValue != value)
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{
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activeValue = value;
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ValueChanged?.Invoke(this, value);
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ActiveChanged?.Invoke(this, new EventArgs());
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Invalidate();
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}
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}
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}
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private string activeText = "开";
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[DefaultValue("开")]
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[Description("打开文字"), Category("SunnyUI")]
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public string ActiveText
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{
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get => activeText;
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set
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{
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activeText = value;
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Invalidate();
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}
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}
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private string inActiveText = "关";
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[DefaultValue("关")]
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[Description("关闭文字"), Category("SunnyUI")]
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public string InActiveText
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{
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get => inActiveText;
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set
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{
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inActiveText = value;
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Invalidate();
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}
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}
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private Color inActiveColor;
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[DefaultValue(typeof(Color), "Gray")]
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[Description("关闭颜色"), Category("SunnyUI")]
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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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inActiveColor = value;
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Invalidate();
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}
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}
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/// <summary>
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/// 填充颜色，当值为背景色或透明色或空值则不填充
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/// </summary>
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[Description("填充颜色"), Category("SunnyUI")]
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[DefaultValue(typeof(Color), "White")]
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public Color ButtonColor
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{
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get => fillColor;
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set => SetFillColor(value);
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}
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/// <summary>
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/// 边框颜色
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/// </summary>
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[Description("打开颜色"), Category("SunnyUI")]
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[DefaultValue(typeof(Color), "80, 160, 255")]
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public Color ActiveColor
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{
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get => rectColor;
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set => SetRectColor(value);
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}
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protected override void OnClick(EventArgs e)
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{
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if (!ReadOnly) Active = !Active;
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base.OnClick(e);
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}
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protected override void OnDoubleClick(EventArgs e)
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{
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if (!UseDoubleClick)
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{
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Active = !Active;
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base.OnClick(e);
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}
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else
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{
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base.OnDoubleClick(e);
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}
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}
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public override void SetStyleColor(UIBaseStyle uiColor)
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{
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base.SetStyleColor(uiColor);
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rectColor = uiColor.SwitchActiveColor;
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fillColor = uiColor.SwitchFillColor;
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inActiveColor = uiColor.SwitchInActiveColor;
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rectDisableColor = uiColor.RectDisableColor;
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Invalidate();
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}
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[Description("不可用颜色"), Category("SunnyUI")]
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[DefaultValue(typeof(Color), "173, 178, 181")]
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public Color DisabledColor
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{
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get => rectDisableColor;
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set => SetRectDisableColor(value);
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}
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protected override void OnEnabledChanged(EventArgs e)
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{
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base.OnEnabledChanged(e);
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Invalidate();
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}
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protected override void OnPaintFill(Graphics g, GraphicsPath path)
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{
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Color color = Active ? ActiveColor : InActiveColor;
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if (!Enabled) color = rectDisableColor;
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if (SwitchShape == UISwitchShape.Round)
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{
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Rectangle rect = new Rectangle(0, 0, Width - 1, Height - 1);
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g.FillRoundRectangle(color, rect, rect.Height);
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int width = Width - 3 - 1 - 3 - (rect.Height - 6);
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if (!Active)
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{
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g.FillEllipse(fillColor.IsValid() ? fillColor : Color.White, 3, 3, rect.Height - 6, rect.Height - 6);
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SizeF sf = g.MeasureString(InActiveText, Font);
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g.DrawString(InActiveText, Font, fillColor.IsValid() ? fillColor : Color.White, 3 + rect.Height - 6 + (width - sf.Width) / 2, 3 + (rect.Height - 6 - sf.Height) / 2);
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}
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else
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{
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g.FillEllipse(fillColor.IsValid() ? fillColor : Color.White, Width - 3 - 1 - (rect.Height - 6), 3, rect.Height - 6, rect.Height - 6);
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SizeF sf = g.MeasureString(ActiveText, Font);
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g.DrawString(ActiveText, Font, fillColor.IsValid() ? fillColor : Color.White, 3 + (width - sf.Width) / 2, 3 + (rect.Height - 6 - sf.Height) / 2);
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}
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}
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if (SwitchShape == UISwitchShape.Square)
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{
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Rectangle rect = new Rectangle(0, 0, Width - 1, Height - 1);
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g.FillRoundRectangle(color, rect, Radius);
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int width = Width - 3 - 1 - 3 - (rect.Height - 6);
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if (!Active)
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{
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g.FillRoundRectangle(fillColor.IsValid() ? fillColor : Color.White, 3, 3, rect.Height - 6, rect.Height - 6, Radius);
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SizeF sf = g.MeasureString(InActiveText, Font);
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g.DrawString(InActiveText, Font, fillColor.IsValid() ? fillColor : Color.White, 3 + rect.Height - 6 + (width - sf.Width) / 2, 3 + (rect.Height - 6 - sf.Height) / 2);
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}
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else
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{
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g.FillRoundRectangle(fillColor.IsValid() ? fillColor : Color.White, Width - 3 - 1 - (rect.Height - 6), 3, rect.Height - 6, rect.Height - 6, Radius);
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SizeF sf = g.MeasureString(ActiveText, Font);
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g.DrawString(ActiveText, Font, fillColor.IsValid() ? fillColor : Color.White, 3 + (width - sf.Width) / 2, 3 + (rect.Height - 6 - sf.Height) / 2);
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}
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}
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}
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}
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} |