newcontrol.cs

.Net实现的局域网完整IM,含完整的设计远隔

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

namespace NewControl
{
    public partial class JPM_ImageButton : System.Windows.Forms.PictureBox
    {
        /// <summary>
        /// 必需的设计器变量。
        /// </summary>
        System.Drawing.Bitmap _imageNormal;
        System.Drawing.Bitmap _imageMove;
        System.Drawing.Bitmap _imageDown;
        System.Drawing.Bitmap _imageUp;

        public System.Drawing.Image ImageNormal
        {
            set
            {
                _imageNormal = (System.Drawing.Bitmap)value;
                this.Invalidate();
            }

            get
            {
                return _imageNormal;
            }
        }

        public System.Drawing.Image ImageMove
        {
            set
            {
                _imageMove = (System.Drawing.Bitmap)value;
            }

            get
            {
                return _imageMove;
            }
        }

        public System.Drawing.Image ImageDown
        {
            set
            {
                _imageDown = (System.Drawing.Bitmap)value;
            }

            get
            {
                return _imageDown;
            }
        }

        public System.Drawing.Image ImageUp
        {
            set
            {
                _imageUp = (System.Drawing.Bitmap)value;
            }

            get
            {
                return _imageUp;
            }
        }
        /// <summary>
        /// 构建一个空Image以防止引用空的_imageOnMouseMove
        /// </summary> 
        public JPM_ImageButton()
        {
            _imageNormal = null;
            _imageMove = null;
            _imageDown = null;
            _imageUp = null;
        }

        protected override void Dispose(bool disposing)
        {
            if (disposing == true)
            {
                if (_imageNormal != null)
                {
                    _imageNormal.Dispose();
                }
                if (_imageMove != null)
                {
                    _imageMove.Dispose();
                }
                if (_imageDown != null)
                {
                    _imageDown.Dispose();
                }
                if (_imageUp != null)
                {
                    _imageUp.Dispose();
                }
            }
            base.Dispose(disposing);
        }

        protected override void OnPaint(PaintEventArgs pe)
        {
            if (this.Image == null)
            {
                this.Image = _imageNormal;
            }
            base.OnPaint(pe);
        }

        protected override void OnMouseEnter(EventArgs e)
        {
            if (this.IsDisposed == false && _imageMove != null)
            {
                Image = (System.Drawing.Bitmap)_imageMove;
            }

            this.Cursor = global::System.Windows.Forms.Cursors.Hand;
        }

        protected override void OnMouseDown(MouseEventArgs e)
        {
            if (this.IsDisposed == false && _imageDown != null)
            {
                Image = (System.Drawing.Image)_imageDown;
            }
        }

        protected override void OnMouseUp(MouseEventArgs e)
        {
            if (this.IsDisposed == false)
            {
                if (_imageUp != null)
                {
                    Image = (System.Drawing.Image)_imageUp;
                }
                else if (_imageNormal != null)
                {
                    Image = (System.Drawing.Image)_imageNormal;
                }
            }
        }

        protected override void OnMouseLeave(System.EventArgs e)
        {
            if (this.IsDisposed == false && _imageNormal != null)
            {
                Image = (System.Drawing.Image)_imageNormal;
            }

            this.Cursor = global::System.Windows.Forms.Cursors.Default;
        }
    }

    public class JPM_CartoonImageBox : System.Windows.Forms.Control
    {
        Bitmap _image;

        public JPM_CartoonImageBox()
        {
            this.BackColor = Color.White;
            _image = null;
        }

        protected override void Dispose(bool disposing)
        {
            if (disposing == true)
            {
                if (_image != null)
                {
                    _image.Dispose();
                }
            }
            base.Dispose(disposing);
        }

        public System.Drawing.Image Image
        {
            set
            {
                _image = (System.Drawing.Bitmap)value;

                this.Invalidate();
            }

            get
            {
                return _image;
            }
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            if (_image == null)
            {
                return;
            } 
            try
            {
                SolidBrush t_sbBG = new SolidBrush(this.BackColor);
                e.Graphics.FillRectangle(t_sbBG, new Rectangle(0, 0, this.Width, this.Height));
                e.Graphics.DrawImage(_image, new Rectangle((this.Width - _image.Width) / 2, (this.Height - _image.Height) / 2, _image.Width, _image.Height));

                t_sbBG.Dispose();
                e.Dispose();
            }
            catch (Exception ex)
            {
                System.Windows.Forms.MessageBox.Show(ex.Source + ":" + ex.Message);
            }
        }

        protected override void OnMouseEnter(EventArgs e)
        {
            if (this.IsDisposed == false && _image != null)
            {
                int t_L, t_T;
                Pen t_YPen = new Pen(Color.FromArgb(255, 153, 0));
                Graphics t_G = this.CreateGraphics();

                t_L = (this.Width - _image.Width) / 4;
                t_T = (this.Height - _image.Height) / 4;
                t_G.DrawImage(_image, new Rectangle(t_L, t_T, _image.Width + t_L, _image.Height + t_T));
                Thread.Sleep(50);
                t_G.DrawImage(_image, new Rectangle(2, 2, this.Width - 4, this.Height - 4));
                t_G.DrawRectangle(t_YPen, new Rectangle(0, 0, this.Width - 1, this.Height - 1));

                t_YPen.Dispose();
                t_G.Dispose();
            }
        }

        protected override void OnMouseLeave(EventArgs e)
        {
            if (this.IsDisposed == false && _image != null)
            {
                int t_L, t_T;
                SolidBrush t_WBrush = new SolidBrush(Color.White);
                Rectangle t_rect = new Rectangle(0, 0, this.Width, this.Height);
                Bitmap t_Buffer = new Bitmap(this.Width, this.Height);
                Graphics t_BG = Graphics.FromImage(t_Buffer);
                Graphics t_G = this.CreateGraphics();

                t_L = (this.Width - _image.Width) / 4;
                t_T = (this.Height - _image.Height) / 4;
                t_BG.FillRectangle(t_WBrush, t_rect);
                t_BG.DrawImage(_image, new Rectangle(t_L, t_T, _image.Width + t_L, _image.Height + t_T));
                t_G.DrawImage(t_Buffer, t_rect);
                Thread.Sleep(50);
                t_BG.FillRectangle(t_WBrush, t_rect);
                t_BG.DrawImage(_image, (this.Width - _image.Width) / 2, (this.Height - _image.Height) / 2);

                t_G.DrawImage(t_Buffer, t_rect);

                t_WBrush.Dispose();
                t_Buffer.Dispose();
                t_BG.Dispose();
                t_G.Dispose();
                //base.OnMouseLeave(e);
            }
        }
    }

    public class JPM_CurrentButton : System.Windows.Forms.Control
    {
        /// <summary>
        /// 必需的设计器变量。
        /// </summary>

        string _caption;

        System.Drawing.Bitmap _imageNormal;
        System.Drawing.Bitmap _imageMove;
        System.Drawing.Bitmap _imageDown;


        public string Caption
        {
            set
            {
                _caption = value;
                this.Invalidate();
            }

            get
            {
                return _caption;
            }
        }

        /// <summary>
        /// 构建一个空Image以防止引用空的_imageOnMouseMove
        /// </summary> 
        public JPM_CurrentButton()
        {
            _imageNormal = global::NewControl.Resource.BMP_MYBUTTON;
            _imageMove = global::NewControl.Resource.BMP_MYBUTTON_MOVE;
            _imageDown = global::NewControl.Resource.BMP_MYBUTTON_DOWN;

            Width = 60;
            Height = 22;
        }

        protected override void Dispose(bool disposing)
        {
            if (disposing == true)
            {
                if (_imageNormal != null)
                {
                    _imageNormal.Dispose();
                }
                if (_imageMove != null)
                {
                    _imageMove.Dispose();
                }
                if (_imageDown != null)
                {
                    _imageDown.Dispose();
                }
            }
            base.Dispose(disposing);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            if (_imageNormal != null)
            {
                e.Graphics.DrawImage(_imageNormal, new Rectangle(0, 0, 60, 22));
                if (_caption != null)
                {
                    e.Graphics.DrawString(_caption, Parent.Font, new SolidBrush(Color.Black), new Point((int)(60 - e.Graphics.MeasureString(_caption, Parent.Font).Width) / 2, 5));
                }
            }
        }

        protected override void OnMouseEnter(EventArgs e)
        {
            if (this.IsDisposed == false && _imageMove != null)
            {
                Graphics t_G = this.CreateGraphics();

                t_G.DrawImage(_imageMove, new Rectangle(0, 0, 60, 22));
                if (_caption != null)
                {
                    t_G.DrawString(_caption, Parent.Font, new SolidBrush(Color.Black), new Point((int)(60 - t_G.MeasureString(_caption, Parent.Font).Width) / 2, 5));
                }

                this.Cursor = global::System.Windows.Forms.Cursors.Hand;
            }
        }

        protected override void OnMouseDown(MouseEventArgs e)
        {
            if (this.IsDisposed == false && _imageDown != null)
            {
                Graphics t_G = this.CreateGraphics();
                t_G.DrawImage(_imageDown, new Rectangle(0, 0, 60, 22));
                if (_caption != null)
                {
                    t_G.DrawString(_caption, Parent.Font, new SolidBrush(Color.Black), new Point((int)(60 - t_G.MeasureString(_caption, Parent.Font).Width) / 2, 5));
                }
            }
        }

        protected override void OnMouseUp(MouseEventArgs e)
        {
            if (this.IsDisposed == false && _imageNormal != null)
            {
                Graphics t_G = this.CreateGraphics();
                t_G.DrawImage(_imageNormal, new Rectangle(0, 0, 60, 22));
                if (_caption != null)
                {
                    t_G.DrawString(_caption, Parent.Font, new SolidBrush(Color.Black), new Point((int)(60 - t_G.MeasureString(_caption, Parent.Font).Width) / 2, 5));
                }
            }
        }

        protected override void OnMouseLeave(System.EventArgs e)
        {
            if (this.IsDisposed == false && _imageNormal != null)
            {
                Graphics t_G = this.CreateGraphics();
                t_G.DrawImage(_imageNormal, new Rectangle(0, 0, 60, 22));
                if (_caption != null)
                {
                    t_G.DrawString(_caption, Parent.Font, new SolidBrush(Color.Black), new Point((int)(60 - t_G.MeasureString(_caption, Parent.Font).Width) / 2, 5));
                }

                this.Cursor = global::System.Windows.Forms.Cursors.Default;
            }
        }
    }

    public class JPM_List_Entity