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POcommunication between winform usercontrols to add tab to tabcontrol
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copied!<p>I want to add a TabPage after clicking a button. The difficulty for me is that I got a UserControl with the button, and the tabpage is a usercontrol which I want to add to an existing UserControl with the TabControl.</p> <p>here is the Usercontrol for the Tabs which I want to add:</p> <pre><code>using System; using System.Collections.Generic; using System.ComponentModel; using System.Drawing; using System.Data; using System.Linq; using System.Text; using System.Windows.Forms; using System.Xml; namespace Demo { public partial class TabsTravel : UserControl { private static DateTime ArrivalStart; public static DateTime arrivalStart { get { return ArrivalStart; } set { ArrivalStart = value; } } private static DateTime ArrivalEnd; public static DateTime arrivalEnd { get { return ArrivalEnd; } set { ArrivalEnd = value; } } private static DateTime DepartureStart; public static DateTime departureStart { get { return DepartureStart; } set { DepartureStart = value; } } private static DateTime DepartureEnd; public static DateTime departureEnd { get { return DepartureEnd; } set { DepartureEnd = value; } } public TabsTravel() { InitializeComponent(); LoadSubsidiaryXML(); dtpArrivalStart.Format = DateTimePickerFormat.Custom; dtpArrivalStart.CustomFormat = "ddd dd MMM yyyy hh:mm"; dtpArrivalEnd.Format = DateTimePickerFormat.Custom; dtpArrivalEnd.CustomFormat = "ddd dd MMM yyyy hh:mm"; dtpDepartureStart.Format = DateTimePickerFormat.Custom; dtpDepartureStart.CustomFormat = "ddd dd MMM yyyy hh:mm"; dtpDepartureEnd.Format = DateTimePickerFormat.Custom; dtpDepartureEnd.CustomFormat = "ddd dd MMM yyyy hh:mm"; comboSubsidiaryTravel.SelectedIndexChanged += new EventHandler(comboSubsidiaryTravel_SelectedIndexChanged); } private void LoadSubsidiaryXML() { XmlDocument subsidiary = new XmlDocument(); subsidiary.Load("Subsidiaries.xml"); XmlNodeList Subname = subsidiary.SelectNodes("subsidiaries/type/name"); foreach (XmlNode name in Subname) { comboSubsidiaryTravel.Items.Add(name.InnerText); } } private void LoadWorkerXML(string xmlType) { comboWorkerType.Items.Clear(); XmlDocument workerType = new XmlDocument(); workerType.Load(xmlType); XmlNodeList worker = workerType.SelectNodes("worker/type/name"); foreach (XmlNode name in worker) { comboWorkerType.Items.Add(name.InnerText); } } //Select XML which have to be populated to comboWorkerType private void chooseWorker() { string xmlType = ""; string subsidiary = ""; subsidiary = comboSubsidiaryTravel.Text; switch (subsidiary) { case "GH": xmlType = "GHworkerType.xml"; LoadWorkerXML(xmlType); break; case "GP": xmlType = "GPworkerType.xml"; LoadWorkerXML(xmlType); break; case "GN": xmlType = "GNworkerType.xml"; LoadWorkerXML(xmlType); break; case "GT": xmlType = "GTworkerType.xml"; LoadWorkerXML(xmlType); break; case "GS": xmlType = "GSworkerType.xml"; LoadWorkerXML(xmlType); break; case "GK": xmlType = "GKworkerType.xml"; LoadWorkerXML(xmlType); break; case "GBH": xmlType = "GBHworkerType.xml"; LoadWorkerXML(xmlType); break; case "GAS": xmlType = "GASworkerType.xml"; LoadWorkerXML(xmlType); break; case "Others": comboWorkerType.Items.Clear(); break; default: break; } } private void comboSubsidiaryTravel_SelectedIndexChanged(object sender, EventArgs e) { chooseWorker(); } private void dtpArrivalStart_ValueChanged(object sender, EventArgs e) { ArrivalStart = dtpArrivalStart.Value; dtpArrivalEnd.MinDate = dtpArrivalStart.Value; } private void dtpArrivalEnd_ValueChanged(object sender, EventArgs e) { ArrivalEnd = dtpArrivalEnd.Value; dtpDepartureStart.MinDate = dtpArrivalEnd.Value; } private void dtpDepartureStart_ValueChanged(object sender, EventArgs e) { DepartureStart = dtpDepartureStart.Value; dtpDepartureEnd.MinDate = dtpDepartureStart.Value; } private void dtpDepartureEnd_ValueChanged(object sender, EventArgs e) { DepartureEnd = dtpDepartureEnd.Value; } } } </code></pre> <p>This is the Usercontrol where I got the TabControl</p> <pre><code>using System; using System.Collections.Generic; using System.ComponentModel; using System.Drawing; using System.Data; using System.Linq; using System.Text; using System.Windows.Forms; using MBG.SimpleWizard; using System.Globalization; namespace Demo { public partial class Page3 : UserControl, IWizardPage { int c = 1; private static DateTime WorkStart; public DateTime workStart { get { return WorkStart; } set { WorkStart = value; } } private static DateTime WorkEnd; public DateTime workEnd { get { return WorkEnd; } set { WorkEnd = value; } } public Page3() { InitializeComponent(); dtpWorkStart.Format = DateTimePickerFormat.Custom; dtpWorkStart.CustomFormat = "ddd dd MMM yyyy hh:mm"; dtpWorkEnd.Format = DateTimePickerFormat.Custom; dtpWorkEnd.CustomFormat = "ddd dd MMM yyyy hh:mm"; } #region IWizardPage Members public UserControl Content { get { return this; } } public new void Load() { } public void Save() { } public void Cancel() { throw new NotImplementedException(); } public bool IsBusy { get { throw new NotImplementedException(); } } public bool PageValid { get { return true; } } public string ValidationMessage { get { throw new NotImplementedException(); } } #endregion private void dtpWorkStart_ValueChanged(object sender, EventArgs e) { workStart = dtpWorkStart.Value; dtpWorkStart.MinDate = dtpWorkEnd.Value; } private void dtpWorkEnd_ValueChanged(object sender, EventArgs e) { workEnd = dtpWorkEnd.Value; } private void button1_Click(object sender, EventArgs e) { dataGridView1.DataSource = GetTable(); if (c == 1) { DataGridViewCheckBoxColumn chk = new DataGridViewCheckBoxColumn(); dataGridView1.Columns.Add(chk); chk.HeaderText = "Holiday"; chk.Name = "Holiday"; } c++; } public static DataTable GetTable() { DataTable table = new DataTable(); DateTime test = new DateTime(); DateTime test2 = new DateTime(); CultureInfo culture = CultureInfo.CurrentCulture; int week = 0; test = WorkStart; table.Columns.Add("Calendarweek", typeof(int)); table.Columns.Add("Day", typeof(string)); table.Columns.Add("Date", typeof(DateTime)); table.Columns.Add("Start work", typeof(string)); table.Columns.Add("End work", typeof(string)); table.Columns.Add("Total", typeof(TimeSpan)); while (test <= WorkEnd) { test2 = test; test2 = test2.AddHours(10); if (test.DayOfWeek != DayOfWeek.Sunday) { week = culture.Calendar.GetWeekOfYear(test, CalendarWeekRule.FirstFourDayWeek, DayOfWeek.Monday); table.Rows.Add(week, test.DayOfWeek.ToString(), test.ToString("dd MMM"), test.ToString("hh:mm tt", CultureInfo.InvariantCulture), test2.ToString("hh:mm tt", CultureInfo.InvariantCulture), test2 - test); } test = test.AddDays(1); //table.Rows.Add(); } //Zugriff auf Zelle zuerst zeile dann spalte //string testString = table.Rows[3][2].ToString(); table.RowChanged += new DataRowChangeEventHandler(table_RowChanged); //MessageBox.Show(testString); return table; } static DataRow getRow(DataTable table) { DataRow row = table.NewRow(); return row; } static void table_RowChanged(object sender, DataRowChangeEventArgs e) { //e.Row.AcceptChanges(); //throw new StackOverflowException(); //throw new NotImplementedException(); } private void button2_Click(object sender, EventArgs e) { } } } </code></pre> <p>and this is the UserControl where I got the button to add the tabPage:</p> <pre><code>using System; using System.Collections.Generic; using System.ComponentModel; using System.Drawing; using System.Data; using System.Linq; using System.Text; using System.Windows.Forms; using MBG.SimpleWizard; using System.Xml; using System.Xml.Linq; namespace Demo { public partial class Page2 : UserControl, IWizardPage { private static DateTime ArrivalStart; public DateTime arrivalStart { get { return ArrivalStart; } set { ArrivalStart = value; } } private static DateTime ArrivalEnd; public DateTime arrivalEnd { get { return ArrivalEnd; } set { ArrivalEnd = value; } } private static DateTime DepartureStart; public DateTime departureStart { get { return DepartureStart; } set { DepartureStart = value; } } private static DateTime DepartureEnd; public DateTime departureEnd { get { return DepartureEnd; } set { DepartureEnd = value; } } private List<string> groupItems = new List<string>(); public Page2() { InitializeComponent(); LoadSubsidiaryXML(); dtpArrivalStart.Format = DateTimePickerFormat.Custom; dtpArrivalStart.CustomFormat = "ddd dd MMM yyyy hh:mm"; dtpArrivalEnd.Format = DateTimePickerFormat.Custom; dtpArrivalEnd.CustomFormat = "ddd dd MMM yyyy hh:mm"; dtpDepartureStart.Format = DateTimePickerFormat.Custom; dtpDepartureStart.CustomFormat = "ddd dd MMM yyyy hh:mm"; dtpDepartureEnd.Format = DateTimePickerFormat.Custom; dtpDepartureEnd.CustomFormat = "ddd dd MMM yyyy hh:mm"; groupItems.Add("Customer"); groupItems.Add("Intercompany"); comboWorkerType.DrawMode = DrawMode.OwnerDrawFixed; } private void LoadSubsidiaryXML() { XmlDocument subsidiary = new XmlDocument(); subsidiary.Load("Subsidiaries.xml"); XmlNodeList Subname = subsidiary.SelectNodes("subsidiaries/type/name"); foreach (XmlNode name in Subname) { comboSubsidiaryTravel.Items.Add(name.InnerText); } } private void LoadWorkerXML(string xmlType) { comboWorkerType.Items.Clear(); XmlDocument workerType = new XmlDocument(); workerType.Load(xmlType); XmlNodeList worker = workerType.SelectNodes("worker/type/name"); foreach (XmlNode name in worker) { //if (name.InnerText == "Customer" || name.InnerText == "Intercompany") //{ // comboWorkerType.Font = new Font(comboWorkerType.Font, FontStyle.Bold); //} comboWorkerType.Items.Add(name.InnerText); } } //private void comboWorkerType_DrawItem(object sender, DrawItemEventArgs e) //{ // e.DrawBackground(); // if (e.Index > -1) // { // string drawText = comboWorkerType.Items[e.Index].ToString(); // if (groupItems.Contains(drawText)) // { // using (Font font = new Font(comboWorkerType.Font, FontStyle.Bold)) // e.Graphics.DrawString(drawText, font, Brushes.Black, e.Bounds); // } // else // e.Graphics.DrawString(drawText, comboWorkerType.Font, Brushes.Black, new Rectangle(16, e.Bounds.Top, e.Bounds.Width - 16, e.Bounds.Height)); // e.DrawFocusRectangle(); // } //} #region IWizardPage Members public UserControl Content { get { return this; } } public new void Load() { } public void Save() { } public void Cancel() { throw new NotImplementedException(); } public bool IsBusy { get { throw new NotImplementedException(); } } public bool PageValid { get { return true; } } public string ValidationMessage { get { throw new NotImplementedException(); } } #endregion private void btnAddWorker_Click(object sender, EventArgs e) { string title = "worker " + (tabsTravel.TabCount + 1).ToString(); TabPage travel = new TabPage(); TabPage work = new TabPage(); tabsTravel.TabPages.Add(travel); travel.Text = title; travel.BackColor = Color.White; travel.Controls.Add(new TabsTravel()); } private void btnRemoveWorker_Click(object sender, EventArgs e) { tabsTravel.TabPages.Remove(tabsTravel.SelectedTab); } // Select XML which have to be populated to comboWorkerType private void chooseWorker() { string xmlType = ""; string subsidiary = ""; subsidiary = comboSubsidiaryTravel.Text; switch (subsidiary) { case "GH": xmlType = "GHworkerType.xml"; LoadWorkerXML(xmlType); break; case "GP": xmlType = "GPworkerType.xml"; LoadWorkerXML(xmlType); break; case "GN": xmlType = "GNworkerType.xml"; LoadWorkerXML(xmlType); break; case "GT": xmlType = "GTworkerType.xml"; LoadWorkerXML(xmlType); break; case "GS": xmlType = "GSworkerType.xml"; LoadWorkerXML(xmlType); break; case "GK": xmlType = "GKworkerType.xml"; LoadWorkerXML(xmlType); break; case "GBH": xmlType = "GBHworkerType.xml"; LoadWorkerXML(xmlType); break; case "GAS": xmlType = "GASworkerType.xml"; LoadWorkerXML(xmlType); break; case "Others": comboWorkerType.Items.Clear(); break; default: break; } } private void comboSubsidiaryTravel_SelectedIndexChanged(object sender, EventArgs e) { chooseWorker(); } private void dtpArrivalStart_ValueChanged(object sender, EventArgs e) { ArrivalStart = dtpArrivalStart.Value; dtpArrivalEnd.MinDate = dtpArrivalStart.Value; } private void dtpArrivalEnd_ValueChanged(object sender, EventArgs e) { ArrivalEnd = dtpArrivalEnd.Value; dtpDepartureStart.MinDate = dtpArrivalEnd.Value; } private void dtpDepartureStart_ValueChanged(object sender, EventArgs e) { DepartureStart = dtpDepartureStart.Value; dtpDepartureEnd.MinDate = dtpDepartureStart.Value; } private void dtpDepartureEnd_ValueChanged(object sender, EventArgs e) { DepartureEnd = dtpDepartureEnd.Value; } private void button1_Click(object sender, EventArgs e) { worker test = new worker(); //test.ArrivalTimeSpan(); //test.DepartureTimeSpan(); //test.WorkTimeSpan(); } private void label1_Click(object sender, EventArgs e) { } } } </code></pre> <p>With btnAddWorker I want to add the tabPage.</p> <p>How can I use the button_click event to add the tabPage to the UserControl wit the TabControl?</p> <p>thanks for all helpful answers</p> <p>greetz</p> <p>Tobi </p> <p>EDIT:</p> <p>Hi, it doesn't run till now. I need a little hint.</p> <p>here is the delegate in UserControl A:</p> <pre><code>public delegate void tabWork(TabControl tabsWork); </code></pre> <p>here I got the button and the addTab-method in UserControl A:</p> <pre><code>private void btnAddWorker_Click(object sender, EventArgs e) { addTab(tabsTravel); } static void addTab(TabControl tabsTravel) { string title = "worker " + (tabsTravel.TabCount + 1).ToString(); TabPage travel = new TabPage(); tabWork work; tabsTravel.TabPages.Add(travel); travel.Text = title; travel.BackColor = Color.White; travel.Controls.Add(new TabsTravel()); work = new tabWork(Page3.addTab); } </code></pre> <p>and here I got the addTab-method in UserControl B:</p> <pre><code>public static void addTab(TabControl tabsWork) { TabsWork work = new TabsWork(); TabPage Tabwork = new TabPage(); string title = "worker " + (tabsWork.TabCount + 1).ToString(); tabsWork.TabPages.Add(Tabwork); Tabwork.Text = title; Tabwork.BackColor = Color.White; Tabwork.Controls.Add(new TabsWork()); } </code></pre> <p>but the addTab in UserControl B is never called.</p> <p>how can I solve this problem?</p>

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