快速加载背景图片(解决大量控件时闪烁)
public partial class Form1 : Form { public Form1() { InitializeComponent(); PanelEnhanced panelEnhanced = new PanelEnhanced(); this.Controls.Add(panelEnhanced); panelEnhanced.Dock = DockStyle.Fill; panelEnhanced.BackgroundImage = Image.FromFile(@"D:\pic\b.jpg"); } } class PanelEnhanced : Panel { protected override void OnPaintBackground(PaintEventArgs e) { return; } protected override void OnPaint(PaintEventArgs e) { this.DoubleBuffered = true; if (this.BackgroundImage != null) { e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality; e.Graphics.DrawImage( this.BackgroundImage, new System.Drawing.Rectangle(0, 0, this.Width, this.Height), 0, 0, this.BackgroundImage.Width, this.BackgroundImage.Height, System.Drawing.GraphicsUnit.Pixel); } base.OnPaint(e); } }
把圈子变小,把语言变干净,把成绩往上提,把故事往心里收,现在想要的以后你都会有。
【推荐】编程新体验,更懂你的AI,立即体验豆包MarsCode编程助手
【推荐】凌霞软件回馈社区,博客园 & 1Panel & Halo 联合会员上线
【推荐】抖音旗下AI助手豆包,你的智能百科全书,全免费不限次数
【推荐】博客园社区专享云产品让利特惠,阿里云新客6.5折上折
【推荐】轻量又高性能的 SSH 工具 IShell:AI 加持,快人一步