관리자페이지 개발

ControlServer/RoundedPanel.cs

@@ -0,0 +1,49 @@
+using System.Drawing;
+using System.Drawing.Drawing2D;
+using System.Windows.Forms;
+using System.ComponentModel;
+
+namespace ControlServer
+{
+    public class RoundedPanel : Panel
+    {
+        [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+        public int CornerRadius { get; set; } = 30;
+
+        public RoundedPanel()
+        {
+            this.DoubleBuffered = true;
+            // 컨트롤의 배경색이 바뀔 때 다시 그리도록 설정
+            this.SetStyle(ControlStyles.AllPaintingInWmPaint |
+                          ControlStyles.OptimizedDoubleBuffer |
+                          ControlStyles.ResizeRedraw |
+                          ControlStyles.UserPaint, true);
+        }
+
+        protected override void OnPaint(PaintEventArgs e)
+        {
+            e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
+
+            // 배경을 투명하게 처리하고 둥근 영역만 남김
+            using (GraphicsPath path = new GraphicsPath())
+            {
+                path.AddArc(0, 0, CornerRadius, CornerRadius, 180, 90);
+                path.AddArc(Width - CornerRadius - 1, 0, CornerRadius, CornerRadius, 270, 90);
+                path.AddArc(Width - CornerRadius - 1, Height - CornerRadius - 1, CornerRadius, CornerRadius, 0, 90);
+                path.AddArc(0, Height - CornerRadius - 1, CornerRadius, CornerRadius, 90, 90);
+                path.CloseAllFigures();
+
+                // 영역(Region)을 설정하여 모서리 바깥쪽을 클릭 방지 및 투명 처리
+                this.Region = new Region(path);
+
+                // 배경 채우기
+                using (SolidBrush brush = new SolidBrush(this.BackColor))
+                {
+                    e.Graphics.FillPath(brush, path);
+                }
+            }
+
+            base.OnPaint(e);
+        }
+    }
+}