using System;
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using System.ComponentModel;
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using System.Drawing;
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using System.Windows.Forms;
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namespace DPumpHydr.WinFrmUI.WenSkin.Controls
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{
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public class WenButtonTriangle : WenControl
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{
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public WenButtonTriangle() : base()
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{
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this.Size = new Size(32, 32);
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this.BackColor = Color.Transparent;
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}
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#region 私有属性
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private WenButtonTriangleStyle closeStyle = WenButtonTriangleStyle.Right;
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private WenButtonTriangleStyle openStyle = WenButtonTriangleStyle.Bottom;
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private bool state;
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#endregion
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#region 公有属性
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[DefaultValue(WenButtonTriangleStyle.Right), Category("Wen"), Description("关闭样式箭头方向")]
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public WenButtonTriangleStyle CloseStyle { get => closeStyle; set => closeStyle = value; }
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[DefaultValue(WenButtonTriangleStyle.Bottom), Category("Wen"), Description("打开样式箭头方向")]
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public WenButtonTriangleStyle OpenStyle { get => openStyle; set => openStyle = value; }
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[DefaultValue(false), Category("Wen"), Description("开关状态")]
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public bool State { get => state; set { state = value; this.Invalidate(); } }
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[Category("Wen")]
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[Description("按钮样式颜色")]
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[RefreshProperties(RefreshProperties.Repaint)]
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[DefaultValue(typeof(Color), "199,199,199")]
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public Color ButtonColor { get; set; } = Color.FromArgb(199, 199, 199);
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#endregion
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protected override void OnSizeChanged(EventArgs e)
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{
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base.OnSizeChanged(e);
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this.Height = this.Width;
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}
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protected override void OnClick(EventArgs e)
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{
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if (State)
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State = false;
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else
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State = true;
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base.OnClick(e);
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}
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protected override void OnMouseLeave(EventArgs e)
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{
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base.OnMouseLeave(e);
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this.BackColor = Color.Transparent;
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}
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protected override void OnMouseEnter(EventArgs e)
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{
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base.OnMouseEnter(e);
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this.BackColor = Color.FromArgb(63, 63, 65);
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}
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protected override void WenOnPaint(Graphics g, Rectangle rec, PaintEventArgs e)
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{
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base.WenOnPaint(g, rec, e);
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if (State)
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{
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FillTriangle(OpenStyle, g, rec);
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}
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else
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{
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FillTriangle(CloseStyle, g, rec);
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}
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}
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private void FillTriangle(WenButtonTriangleStyle style, Graphics g, Rectangle rec)
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{
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rec = new Rectangle(rec.X, rec.Y, rec.Width - 1, rec.Height - 1);
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if (style == WenButtonTriangleStyle.Left)
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FillTriangleLeft(g, rec);
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if (style == WenButtonTriangleStyle.Right)
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FillTriangleRitht(g, rec);
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if (style == WenButtonTriangleStyle.Top)
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FillTriangTop(g, rec);
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if (style == WenButtonTriangleStyle.Bottom)
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FillTriangBottom(g, rec);
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}
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private void FillTriangleRitht(Graphics g, Rectangle rec)
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{
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Point point1 = new Point(rec.X, rec.Y);
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Point point2 = new Point(rec.X + rec.Width, rec.Y + rec.Height / 2);
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Point point3 = new Point(rec.X, rec.Y + rec.Height);
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GdiTriangLine(g, point1, point2, point3);
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}
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private void FillTriangleLeft(Graphics g, Rectangle rec)
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{
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Point point1 = new Point(rec.X + rec.Width, rec.Y);
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Point point2 = new Point(rec.X, rec.Y + rec.Height / 2);
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Point point3 = new Point(rec.X + rec.Width, rec.Y + rec.Height);
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GdiTriangLine(g, point1, point2, point3);
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}
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private void FillTriangBottom(Graphics g, Rectangle rec)
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{
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Point point1 = new Point(rec.X, rec.Y);
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Point point2 = new Point(rec.X + rec.Width / 2, rec.Y + rec.Y + rec.Height);
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Point point3 = new Point(rec.X + rec.Width, rec.Y);
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GdiTriangLine(g, point1, point2, point3);
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}
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private void FillTriangTop(Graphics g, Rectangle rec)
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{
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Point point1 = new Point(rec.X, rec.Y + rec.Height);
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Point point2 = new Point(rec.X + rec.Width / 2, rec.Y);
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Point point3 = new Point(rec.X + rec.Width, rec.Y + rec.Height);
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//Point[] pntArr = { point1, point2, point3 };
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//g.FillPolygon(GetBrush(ButtonColor), pntArr);
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GdiTriangLine(g, point1, point2, point3);
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}
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//三点画线条
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private void GdiTriangLine(Graphics g, Point point1, Point point2, Point point3)
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{
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using Pen pen = new Pen(new SolidBrush(ButtonColor), 1.6f);
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g.DrawLine(pen, point1, point2);
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g.DrawLine(pen, point2, point3);
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}
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}
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//三角形按钮方向
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public enum WenButtonTriangleStyle
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{
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Left = 1,
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Right = 2,
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Top = 3,
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Bottom = 4,
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}
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}
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