Winform GDI 系列(2) 窗体边框重绘制

///<summary>
       ///窗体边框重绘制
       ///</summary>
       ///<param name="sender"></param>
       ///<param name="e"></param>
       privatevoid Form1_Paint(object sender,PaintEventArgs e)
       {
            ///自定义绘制边框颜色
            //e.Graphics.DrawRectangle(Pens.DarkOliveGreen,0, 0, this.Width - 1, this.Height - 1);
            e.Graphics.DrawRectangle(Common.FromCustomStyle.CustomFormBorder(),0, 0,this.Width -1, this.Height - 1);
        }

2.Panel移动可拖动窗体

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Common
{
    public static class FromCustomStyle
    {
        ///<summary>

        ///拖动Panel窗体移动

        ///</summary>

        ///<param name="form1">窗口实例</param>

        ///<param name="panel1">要拖动的Panel</param>

        ///<summary>

        ///拖动Panel窗体移动

        ///</summary>

        ///<param name="form1">窗口实例</param>

        ///<param name="panel1">要拖动的Panel</param>

        public static void MoveForm(Form form1, System.Windows.Forms.Panel panel1)

        {
            ReleaseCapture();
            SendMessage(form1.Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);//*********************调用移动无窗体控件函数 
        }

        //定义无边框窗体Form 

        [DllImport("user32.dll")]//*********************拖动无窗体的控件 

        public static extern bool ReleaseCapture();

        [DllImport("user32.dll")]

        public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);

        public const int WM_SYSCOMMAND = 0x0112;

        public const int SC_MOVE = 0xF010;

        public const int HTCAPTION = 0x0002;

    }
}