WinForm自定义窗体

来源：互联网发布：铝合金门知乎编辑：程序博客网时间：2024/06/06 03:42

  public partial class Form3 : Form    {        const int WM_NCHITTEST = 0x0084;        const int HT_LEFT = 10;        const int HT_RIGHT = 11;        const int HT_TOP = 12;        const int HT_TOPLEFT = 13;        const int HT_TOPRIGHT = 14;        const int HT_BOTTOM = 15;        const int HT_BOTTOMLEFT = 16;        const int HT_BOTTOMRIGHT = 17;        const int HT_CAPTION = 2;        public Form3()        {            InitializeComponent();            rectRegion = new System.Drawing.Rectangle(0, 0, this.Width, this.Height);            //SetWindowRegion();        }        private System.Drawing.Rectangle rectRegion;        private static int x, y = 0;        public void SetWindowRegion()        {            System.Drawing.Drawing2D.GraphicsPath FormPath;            FormPath = new System.Drawing.Drawing2D.GraphicsPath();            System.Drawing.Rectangle rect = new System.Drawing.Rectangle(0, 0, this.Width, this.Height);            FormPath = GetRoundedRectPath(rect,10);            this.Region = new Region(FormPath);        }        protected override void OnPaint(PaintEventArgs e)        {            Graphics g = e.Graphics;            System.Drawing.Drawing2D.GraphicsPath FormPath;            System.Drawing.Rectangle rect = new System.Drawing.Rectangle(0, 0, this.Width, this.Height);            FormPath = GetRoundedRectPath(rect, 10);            Pen mypen = new Pen(Color.Gray, 2);            g.DrawPath(mypen, FormPath);            base.OnPaint(e);        }        private GraphicsPath GetRoundedRectPath(System.Drawing.Rectangle rect, int radius)        {            int diameter = radius;            System.Drawing.Rectangle arcRect = new System.Drawing.Rectangle(rect.Location, new Size(diameter, diameter));            GraphicsPath path = new GraphicsPath();            // 左上角            path.AddArc(arcRect, 180, 90);            // 右上角            arcRect.X = rect.Right - diameter;            path.AddArc(arcRect, 270, 90);            // 右下角            arcRect.Y = rect.Bottom - diameter;            path.AddArc(arcRect, 0, 90);            // 左下角            arcRect.X = rect.Left;            path.AddArc(arcRect, 90, 90);            path.CloseFigure();//闭合曲线            return path;        }        protected override void WndProc(ref Message Msg)        {            if (Msg.Msg == WM_NCHITTEST)            {                //获取鼠标位置                int nPosX = (Msg.LParam.ToInt32() & 65535);                int nPosY = (Msg.LParam.ToInt32() >> 16);                //右下角                if (nPosX >= this.Right - 6 && nPosY >= this.Bottom - 6)                {                    Msg.Result = new IntPtr(HT_BOTTOMRIGHT);                    return;                }                //左上角                else if (nPosX <= this.Left + 6 && nPosY <= this.Top + 6)                {                    Msg.Result = new IntPtr(HT_TOPLEFT);                    return;                }                //左下角                else if (nPosX <= this.Left + 6 && nPosY >= this.Bottom - 6)                {                    Msg.Result = new IntPtr(HT_BOTTOMLEFT);                    return;                }                //右上角                else if (nPosX >= this.Right - 6 && nPosY <= this.Top + 6)                {                    Msg.Result = new IntPtr(HT_TOPRIGHT);                    return;                }                else if (nPosX >= this.Right - 2)                {                    Msg.Result = new IntPtr(HT_RIGHT);                    return;                }                else if (nPosY >= this.Bottom - 2)                {                    Msg.Result = new IntPtr(HT_BOTTOM);                    return;                }                else if (nPosX <= this.Left + 2)                {                    Msg.Result = new IntPtr(HT_LEFT);                    return;                }                else if (nPosY <= this.Top + 2)                {                    Msg.Result = new IntPtr(HT_TOP);                    return;                }                else                {                    Msg.Result = new IntPtr(HT_CAPTION);                    return;                }            }            base.WndProc(ref Msg);        }        private void Form3_Resize(object sender, EventArgs e)        {            SetStyle(ControlStyles.SupportsTransparentBackColor, true);            SetStyle(ControlStyles.AllPaintingInWmPaint, true);            SetStyle(ControlStyles.UserPaint, true);            SetStyle(ControlStyles.DoubleBuffer, true);            this.Refresh();            //SetWindowRegion();        }        private void btnclose_Click(object sender, EventArgs e)        {            this.Close();        }        private void btnMax_Click(object sender, EventArgs e)        {            this.MaximumSize = new Size(Screen.PrimaryScreen.WorkingArea.Width, Screen.PrimaryScreen.WorkingArea.Height);            this.WindowState = FormWindowState.Maximized;        }        private void btnMin_Click(object sender, EventArgs e)        {            this.MinimumSize = new Size(rectRegion.Width, rectRegion.Height);            this.WindowState = FormWindowState.Normal;        }        private void panel1_MouseDown(object sender, MouseEventArgs e)        {            x = e.X - 1;            y = e.Y - 1;        }        private void panel1_MouseMove(object sender, MouseEventArgs e)        {            if (e.Button == MouseButtons.Left)            {                this.Left = Cursor.Position.X - x;                this.Top = Cursor.Position.Y - y;            }        }    }

Demo 下载地址<a target=_blank href="http://download.csdn.net/detail/u011470119/7589233">http://download.csdn.net/detail/u011470119/7589233</a>

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