基线 SVN r240

SVN-Revision: r240
2025-02-06 06:46:06 +00:00
commit ab56a9bcf7
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+using System.ComponentModel;
+using System.Drawing;
+using System.Drawing.Drawing2D;
+using System.Windows.Forms;
+using System.Windows.Forms.Design;
+
+namespace Lskj.Control.ImageLibrary
+{
+    /// <summary>
+    /// 绘制虚线边框
+    /// </summary>
+    [Description("绘制虚线边框")]
+    public class DottedLineBorderExtDesigner : ControlDesigner
+    {
+        protected override void OnPaintAdornments(PaintEventArgs pe)
+        {
+            base.OnPaintAdornments(pe);
+            this.DrawBorder(pe.Graphics);
+        }
+
+        /// <summary>
+        /// 绘制虚线边框
+        /// </summary>
+        /// <param name="graphics"></param>
+        private void DrawBorder(Graphics graphics)
+        {
+            System.Windows.Forms.Control control = this.Control;
+            Rectangle clientRectangle = control.ClientRectangle;
+            Pen pen = new Pen((double)control.BackColor.GetBrightness() >= 0.5 ? ControlPaint.Dark(control.BackColor) : ControlPaint.Light(control.BackColor));
+            pen.DashStyle = DashStyle.Dash;
+            --clientRectangle.Width;
+            --clientRectangle.Height;
+            graphics.DrawRectangle(pen, clientRectangle);
+            pen.Dispose();
+        }
+    }
+}