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C#笔记9——基于TableLayoutPanel的多分屏、全屏程序
最近由于工作需要，需要设置一个多分屏窗口以便于多分屏播放视频！
思考了一下，大致思路如下：用TableLayoutPanel来划分多个区域，在每个区域中都放入一个PictureBox，用PictureBox来接收摄像机的数据流；
每次选择不同的分屏时，根据数量n*n来设置TableLayoutPanel的行列数量，并向其中添加PictureBox。
多分屏效果图如下：
对于多分屏，通常需要全屏功能，多分为显示屏全屏和程序窗体全屏，其对应的效果如下：
代码如下：
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Windows;namespace MultiCamera
{public partial class Form1 : Form{public Form1(){InitializeComponent();}private void Form1_Load(object sender, EventArgs e){split_screen(1);//记录原来屏幕大小和宽高Point_Old = new System.Drawing.Point(this.Location.X,this.Location.Y); Width_Old = this.Width;Height_old = this.Height;}private int curScreenNum = 0;private bool isFullScreen = false;private int row = 0;private int col = 0;private PictureBox[] pb = new PictureBox[25];private Point Point_Old = new System.Drawing.Point();private int Width_Old;private int Height_old;private void split_screen(int num){tlp_screen.ColumnStyles.Clear();tlp_screen.RowStyles.Clear(); //清除行列属性int i;for (i = 0; i < curScreenNum; i++){tlp_screen.Controls.Remove(pb[i]);}tlp_screen.Refresh();int Sqrt_num = (int)Math.Sqrt(num);tlp_screen.ColumnCount = Sqrt_num;tlp_screen.RowCount = Sqrt_num;int pb_width = (tlp_screen.Width-6*Sqrt_num) / Sqrt_num; //无法修改picturebox的Margin为0(默认为3)，所以可设置空格6*列/行int pb_height = (tlp_screen.Height-6*Sqrt_num) / Sqrt_num;for (i = 0; i < num; i++){row = i / Sqrt_num;col = i % Sqrt_num;pb[i] = new PictureBox();pb[i].Tag = i;pb[i].Click += new System.EventHandler(this.PicClick);//pb[i].Padding = new Padding(1, 1, 1, 1); //为何不管用？tlp_screen.Controls.Add(pb[i],col,row);pb[i].BackColor = Color.FromArgb(50, 20 * (row + col), 40 * row, 10 * col);pb[i].Location = new System.Drawing.Point(row * pb_width, col * pb_height);pb[i].Size = new System.Drawing.Size(pb_width,pb_height);//Console.WriteLine("pb[{0}] w:{1} h:{2} x:{3},y:{4}", i,pb[i].Width, pb[i].Height, pb[i].Location.X, pb[i].Location.Y);}curScreenNum = num;}private void PicClick(object sender, EventArgs e){PictureBox pic = sender as PictureBox;pic.BackColor = Color.Blue ;string PicTag = pic.Tag.ToString();//MessageBox.Show("I'm PictrueBox["+PicTag+"]");FullScreen(pic);switch (PicTag){case "0":break;case "1":break;case "2":break;case "3":break;case "4":break;case "5":break;case "6":break;case "7":break;case "8":break;case "9":break;case "10":break;case "11":break;case "12":break;case "13":break;case "14":break;case "15":break;case "16":break;case "17":break;case "18":break;case "19":break;case "20":break;case "21":break;case "22":break;case "23":break;case "24":break;default:break;}}private void FullScreen(PictureBox pic){//窗体内部全屏/*if (!isFullScreen){ //Full ScreenisFullScreen = true;tlp_screen.Controls.Remove(pic);pic.Parent = this;pic.BringToFront();pic.Dock = DockStyle.Fill;tlp_screen.Hide();}else{//Cancel Full ScreenisFullScreen = false;tlp_screen.Controls.Add(pic);pic.Parent = tlp_screen;pic.Dock = DockStyle.Fill;tlp_screen.Show();}*//*窗体外全屏*/Rectangle rect = new Rectangle();rect = Screen.GetBounds(this);//获取屏幕大小if (!isFullScreen){ //Full ScreenisFullScreen = true;this.FormBorderStyle = FormBorderStyle.None; //取消窗体边框this.Width = rect.Width;this.Height = rect.Height;this.Location = new System.Drawing.Point(0, 0);tlp_screen.Controls.Remove(pic);pic.Parent = this;pic.BringToFront();pic.Dock = DockStyle.Fill;tlp_screen.Hide();}else{//Cancel Full ScreenisFullScreen = false;this.FormBorderStyle = FormBorderStyle.Sizable;this.Location = Point_Old;this.Height = Height_old;this.Width = Width_Old;tlp_screen.Controls.Add(pic);pic.Parent = tlp_screen;pic.Dock = DockStyle.Fill;tlp_screen.Show();}}private void btn_fp_1_Click(object sender, EventArgs e){split_screen(1);}private void btn_fp_4_Click(object sender, EventArgs e){split_screen(4);}private void btn_fp_9_Click(object sender, EventArgs e){split_screen(9);}private void btn_fp_16_Click(object sender, EventArgs e){split_screen(16);}private void btn_fp_25_Click(object sender, EventArgs e){split_screen(25);}}
}
源代码连接： http://download.csdn.net/download/u011127242/9777723
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