添加项目文件。

WinFormsApp1/FastDataGridView.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Reflection;
+using System.Windows.Forms;
+
+public class FastDataGridView : DataGridView
+{
+    public FastDataGridView()
+    {
+        // 通过反射开启 DataGridView 的 DoubleBuffered 属性
+        typeof(DataGridView)
+            .GetProperty("DoubleBuffered", BindingFlags.Instance | BindingFlags.NonPublic)
+            .SetValue(this, true, null);
+
+        this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
+        this.SetStyle(ControlStyles.AllPaintingInWmPaint, true); 
+        this.SetStyle(ControlStyles.UserPaint, true);
+    }
+}