实例介绍
【实例简介】
【实例截图】
【核心代码】
using System;
using System.Drawing;
using System.Windows.Forms;
using System.Collections.Generic;
namespace Gmei.MdiDemo
{
public partial class frmMain : Gdu.WinFormUI.Forms.GMForm
{
MdiClient _mdiClient;
StopButtonFunction _stopBtnFunction;
string _homePage = "http://www.mtime.com";
List<string> _listStringViewHistory;
List<ToolStripMenuItem> _listMenuViewHistory;
private int PanelTopHeight
{ get { return 36; } }
public frmMain()
{
InitializeComponent();
_listStringViewHistory = new List<string>();
_listMenuViewHistory = new List<ToolStripMenuItem>();
mnItemClearView.Enabled = false;
mnStoneHistory.Visible = false;
_mdiClient = FindMdiClient();
_stopBtnFunction = StopButtonFunction.Reflesh;
}
private MdiClient FindMdiClient()
{
MdiClient mdi = null;
foreach (Control c in Controls)
{
if ((mdi = c as MdiClient) != null)
{
break;
}
}
return mdi;
}
public void CreateNewHistoryItem(string url, string title)
{
// 把#后面的内容去掉
int pos = url.IndexOf('#');
if (pos > 0)
url = url.Substring(0, pos);
if (_listStringViewHistory.Contains(url))
return;
ToolStripMenuItem tmp = new ToolStripMenuItem();
tmp.Text = title;
tmp.Tag = url;
tmp.Click =new EventHandler(MenuHistoryItem_Click);
_listMenuViewHistory.Add(tmp);
mnItemRecentlyView.DropDownItems.Add(tmp);
_listStringViewHistory.Add(url);
mnItemClearView.Enabled = true;
mnStoneHistory.Visible = true;
}
private void ClearViewHistory()
{
foreach (ToolStripMenuItem item in _listMenuViewHistory)
{
mnItemRecentlyView.DropDownItems.Remove(item);
item.Dispose();
}
_listMenuViewHistory = new List<ToolStripMenuItem>();
mnItemClearView.Enabled = false;
mnStoneHistory.Visible = false;
_listStringViewHistory = new List<string>();
}
private void MenuHistoryItem_Click(object sender, EventArgs e)
{
ToolStripMenuItem item = sender as ToolStripMenuItem;
string url = item.Tag as string;
GoNewWebSite(url, true);
}
#region mdi-bar event handler
private void NewFormClick(object sender, EventArgs e)
{
CreateNewChild();
}
private void ChildFormClose(object sender, EventArgs e)
{
Form f = sender as Form;
if (f != null)
f.Close();
}
private void frmMain_MdiBarCreated(object sender, EventArgs e)
{
SetFormItemLocation();
CreateNewChild();
}
#endregion
public void SetTxtURL(string url)
{
txtURL.Text = url;
}
public void SetButtons(bool canBack, bool canForward, bool canStop)
{
btnBack.Enabled = canBack;
if (canBack)
btnBack.BackgroundImage = Properties.Resources.back;
else
btnBack.BackgroundImage = Properties.Resources.back_disable;
btnForward.Enabled = canForward;
if (canForward)
btnForward.BackgroundImage = Properties.Resources.forward;
else
btnForward.BackgroundImage = Properties.Resources.forward_disable;
if (canStop)
{
_stopBtnFunction = StopButtonFunction.Stop;
btnStopOrReflesh.BackgroundImage = Properties.Resources.stop;
}
else
{
_stopBtnFunction = StopButtonFunction.Reflesh;
btnStopOrReflesh.BackgroundImage = Properties.Resources.reflesh;
}
}
private void CreateNewChild()
{
frmChild f = new frmChild();
f.FormClosed = new FormClosedEventHandler(base.MdiChildClosed);
f.VisibleChanged = new EventHandler(base.MdiChildVisibleChange);
f.Text = "空白页";
f.MdiParent = this;
//f.BackColor = Color.White;
f.CurrentURL = "about:blank";
f.WindowState = FormWindowState.Maximized;
f.Show();
}
public void GoNewWebSite(string url, bool newForm)
{
if (newForm)
CreateNewChild();
GoNewWebSite(url);
}
private void GoNewWebSite(string url)
{
frmChild activeForm = ActiveMdiChild as frmChild;
if (activeForm != null)
{
url = url.Trim();
if (url.ToLower().Equals("about:blank"))
return;
if (!(url.ToLower().StartsWith("http://") || url.ToLower().StartsWith("https://")))
{
url = "http://" url;
}
txtURL.Text = url;
activeForm.CurrentURL = url;
activeForm.Navigate(txtURL.Text);
}
}
private void SetMdiBarLocation()
{
Padding newMargin = Padding.Empty;
if (WindowState == FormWindowState.Maximized)
newMargin = new Padding(BorderWidth, BorderWidth, BorderWidth, 0);
else
newMargin = new Padding(BorderWidth, BorderWidth 14, BorderWidth, 0);
if (base.XTheme.Mdi_BarMargin != newMargin)
{
base.XTheme.Mdi_BarMargin = newMargin;
Invalidate();
}
}
private void SetPanelTopLocation()
{
Point newLocation = new Point( base.MdiBarBounds.Left,base.MdiBarBounds.Bottom);
if (panelTop.Location == newLocation)
return;
var size = new Size(base.MdiBarBounds.Width, PanelTopHeight);
panelTop.Anchor = AnchorStyles.None;
panelTop.Location = newLocation;
panelTop.Size = size;
panelTop.Anchor = AnchorStyles.Left | AnchorStyles.Right | AnchorStyles.Top;
}
private void SetMdiClientLocation()
{
if (_mdiClient == null)
return;
Point newLocation = new Point(panelTop.Left, panelTop.Bottom);
if (_mdiClient.Location == newLocation)
return;
int height = base.ClientSize.Height - newLocation.Y -
(base.ClientSize.Width - panelTop.Width) / 2;
var size = new Size(panelTop.Width, height);
_mdiClient.Anchor = AnchorStyles.None;
_mdiClient.Location = newLocation;
_mdiClient.Size = size;
_mdiClient.Anchor =
AnchorStyles.Left | AnchorStyles.Top | AnchorStyles.Right | AnchorStyles.Bottom;
}
private void SetFormItemLocation()
{
SetMdiBarLocation();
SetPanelTopLocation();
SetMdiClientLocation();
}
private void frmMain_Load(object sender, EventArgs e)
{
base.XTheme = new ChromeTheme();
panelTop.BackColor = base.XTheme.Mdi_BarBottomRegionBackColor;
base.MdiNewTabButtonClick = new EventHandler(NewFormClick);
base.MdiTabCloseButtonClick = new EventHandler(ChildFormClose);
if (_mdiClient != null)
{
_mdiClient.Dock = DockStyle.None;
_mdiClient.BackColor = Color.White;
}
}
private void frmMain_Resize(object sender, EventArgs e)
{
if (base.WindowState == FormWindowState.Maximized)
{
base.ControlBoxOffset = new Point(4, base.BorderWidth);
}
else
{
base.ControlBoxOffset = new Point(4, 1);
}
SetFormItemLocation();
}
private void panelTop_Paint(object sender, PaintEventArgs e)
{
Point p1 = new Point(0, panelTop.Height - 1);
Point p2 = new Point(panelTop.Width - 1, panelTop.Height - 1);
Color c1 = Color.FromArgb(170, 170, 170);
using (Pen pen = new Pen(c1))
{
e.Graphics.DrawLine(pen, p1, p2);
}
}
private void txtURL_LeftImageClick(object sender, EventArgs e)
{
MessageBox.Show("you click the left image...");
}
private void txtURL_RightImageClick(object sender, EventArgs e)
{
MessageBox.Show("you click the right image...");
}
private void txtURL_TextKeyEnter(object sender, EventArgs e)
{
//MessageBox.Show("you just hit the enter key...");
GoNewWebSite(txtURL.Text);
}
private void btnMenu_Click(object sender, EventArgs e)
{
menuMain.Show(btnMenu, 0, btnMenu.Height 2);
}
private void frmMain_MdiChildActivate(object sender, EventArgs e)
{
// 如果当前没有子窗体了，则退出程序
if (base.GetCurrentMdiChildren().Count == 0)
base.Close();
}
private void btnHome_Click(object sender, EventArgs e)
{
GoNewWebSite(_homePage);
}
private void btnBack_Click(object sender, EventArgs e)
{
if (ActiveMdiChild != null)
(ActiveMdiChild as frmChild).WebOperation(WebOperationType.GoBack);
}
private void btnForward_Click(object sender, EventArgs e)
{
if (ActiveMdiChild != null)
(ActiveMdiChild as frmChild).WebOperation(WebOperationType.GoForward);
}
private void btnStopOrReflesh_Click(object sender, EventArgs e)
{
WebOperationType type;
if (_stopBtnFunction == StopButtonFunction.Stop)
type = WebOperationType.Stop;
else
type = WebOperationType.Reflesh;
if (ActiveMdiChild != null)
(ActiveMdiChild as frmChild).WebOperation(type);
}
private void mnItemNewTab_Click(object sender, EventArgs e)
{
CreateNewChild();
}
private void mnItemGoHome_Click(object sender, EventArgs e)
{
GoNewWebSite(_homePage);
}
private void mnItemClearView_Click(object sender, EventArgs e)
{
ClearViewHistory();
}
private void mnItemAbout_Click(object sender, EventArgs e)
{
frmAbout form = new frmAbout();
form.Size = new System.Drawing.Size(374, 210);
form.ShowDialog();
}
}
internal enum StopButtonFunction
{
Stop,
Reflesh,
}
}
标签： 窗体
好例子网口号：伸出你的我的手 — 分享！
小贴士
感谢您为本站写下的评论，您的评论对其它用户来说具有重要的参考价值，所以请认真填写。
- 类似“顶”、“沙发”之类没有营养的文字，对勤劳贡献的楼主来说是令人沮丧的反馈信息。
- 相信您也不想看到一排文字/表情墙，所以请不要反馈意义不大的重复字符，也请尽量不要纯表情的回复。
- 提问之前请再仔细看一遍楼主的说明，或许是您遗漏了。
- 请勿到处挖坑绊人、招贴广告。既占空间让人厌烦，又没人会搭理，于人于己都无利。
关于好例子网
本站旨在为广大IT学习爱好者提供一个非营利性互相学习交流分享平台。本站所有资源都可以被免费获取学习研究。本站资源来自网友分享，对搜索内容的合法性不具有预见性、识别性、控制性，仅供学习研究，请务必在下载后24小时内给予删除，不得用于其他任何用途，否则后果自负。基于互联网的特殊性，平台无法对用户传输的作品、信息、内容的权属或合法性、安全性、合规性、真实性、科学性、完整权、有效性等进行实质审查；无论平台是否已进行审查，用户均应自行承担因其传输的作品、信息、内容而可能或已经产生的侵权或权属纠纷等法律责任。本站所有资源不代表本站的观点或立场，基于网友分享，根据中国法律《信息网络传播权保护条例》第二十二与二十三条之规定，若资源存在侵权或相关问题请联系本站客服人员，点此联系我们。关于更多版权及免责申明参见 版权及免责申明
网友评论
我要评论