TabControl控件,页面集合
用于管理一个TabPages集合,每个TabPage都是一个容器控件
常用属性:
MultiLine,TabPages,AlignMent,Appearance,ItemSize,ImagesList
知识点1:
MultiLine,是否允许多行选项卡
AlignMent,控制选项卡的显示位置,可以在TabControl的上、下、左、右显示
Appearance,控制选项卡的外观
ItemSize,控制选项卡的高度和宽度(注意不是TabControl的宽和高),ItemSize的宽度设置后还需要设置SizeMode,否则选项卡的宽度不变,只有高度随设定的高度调整
知识点2:
添加一个简单TabPage
复制代码
//通过代码添加一个简单TabPageTabPage tab1 = new TabPage();tab1.Text = "选项卡";tab1.Name = "tp1";tab1.BackColor = Color.Orange;if (!tabControl1.TabPages.ContainsKey(tab1.Name))//如果有就不再添加{tabControl1.TabPages.Add(tab1);}
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知识点3:
添加一个嵌入Form窗体的TabPage
复制代码//将Form窗体嵌入到TabPage中FormSplitContainer f = new FormSplitContainer();//新建一个窗体f.TopLevel = false;//取消顶级窗口f.FormBorderStyle = FormBorderStyle.None;//无边框f.WindowState = FormWindowState.Maximized;//窗口最大化TabPage tab2 = new TabPage();tab2.Text = f.Text;tab2.Name = f.Name;tab2.Controls.Add(f);if (!tabControl1.TabPages.ContainsKey(tab2.Name))//如果有就不再添加{tabControl1.TabPages.Add(tab2);f.Show();}复制代码
知识点4:
移除或删除一个简单TabPage//移除普通选项页tabControl1.TabPages.Remove(tabPage1);//方法1tabControl1.TabPages.RemoveAt(1);//方法2tabControl1.TabPages.RemoveByKey("用户管理");//方法3
知识点5:
移除或删除当前选中的TabPage//移除当前选项页int n = tabControl1.SelectedIndex;tabControl1.TabPages.RemoveAt(n);
知识点6
移除或删除一个带嵌入窗体的TabPage
复制代码
//移除带嵌入窗体的选项卡TabPage tp = tabControl1.SelectedTab;foreach (Form item in Application.OpenForms){if (tp.Name == item.Name){item.Close();break;}}tabControl1.TabPages.Remove(tp);
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知识点7
设置选中页的3种方法
复制代码private void FormTabControl_Load(object sender, EventArgs e){//设置选中页的三种方法tabControl1.SelectedIndex = 0;tabControl1.SelectedTab = tabPage1;tabControl1.SelectTab(tabPage1);}复制代码
知识点8
循环移动选中页
复制代码private void btnSelect_Click(object sender, EventArgs e){if (tabControl1.SelectedIndex < tabControl1.TabPages.Count - 1){`tabControl1.SelectedIndex += 1;`````}else{tabControl1.SelectedIndex = 0;}}复制代码
整体展示效果:
代码如下:
复制代码using System;
using System.Drawing;
using System.Windows.Forms;namespace ControlsTest
{public partial class FormTabControl : Form{public FormTabControl(){InitializeComponent();this.Load += FormTabControl_Load;}private void FormTabControl_Load(object sender, EventArgs e){//设置选中页的三种方法tabControl1.SelectedIndex = 0;tabControl1.SelectedTab = tabPage1;tabControl1.SelectTab(tabPage1);}private void btnAdd_Click(object sender, EventArgs e){//通过代码添加一个简单TabPageTabPage tab1 = new TabPage();tab1.Text = "选项卡";tab1.Name = "tp1";tab1.BackColor = Color.Orange;if (!tabControl1.TabPages.ContainsKey(tab1.Name))//如果有就不再添加{tabControl1.TabPages.Add(tab1);}//将Form窗体嵌入到TabPage中FormSplitContainer f = new FormSplitContainer();f.TopLevel = false;//取消顶级窗口f.FormBorderStyle = FormBorderStyle.None;//无边框f.WindowState = FormWindowState.Maximized;//窗口最大化TabPage tab2 = new TabPage();tab2.Text = f.Text;tab2.Name = f.Name;tab2.Controls.Add(f);if (!tabControl1.TabPages.ContainsKey(tab2.Name))//如果有就不再添加{tabControl1.TabPages.Add(tab2);f.Show();}}private void btnClose_Click(object sender, EventArgs e){//移除普通选项页tabControl1.TabPages.Remove(tabPage1);//方法1tabControl1.TabPages.RemoveAt(1);//方法2tabControl1.TabPages.RemoveByKey("用户管理");//方法3//移除当前选项页int n = tabControl1.SelectedIndex;tabControl1.TabPages.RemoveAt(n);//移除带嵌入窗体的选项卡TabPage tp = tabControl1.SelectedTab;foreach (Form item in Application.OpenForms){if (tp.Name == item.Name){item.Close();break;}}tabControl1.TabPages.Remove(tp);}private void btnSelect_Click(object sender, EventArgs e){if (tabControl1.SelectedIndex < tabControl1.TabPages.Count - 1){tabControl1.SelectedIndex += 1;}else{tabControl1.SelectedIndex = 0;}}}
}复制代码