using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Drawing.Drawing2D; // namespace 渐变窗口背景 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } //窗体重绘事件 private void Form1_Paint(object sender, PaintEventArgs e) { Graphics g = e.Graphics; Color FColor = Color.LawnGreen; Color TColor = Color.Green; Brush b = new LinearGradientBrush(this.ClientRectangle, FColor, TColor, LinearGradientMode.ForwardDiagonal); g.FillRectangle(b, this.ClientRectangle); } //窗口调整大小事件 private void Form1_Resize(object sender, EventArgs e) { this.Invalidate(); } } }