I tied this in the handler to make it work: void TabControl_SelectionChanged(object sender, SelectionChangedEventArgs e) { if (e.Source is TabControl) { //do work when tab is changed } }
Based on your comments, I understand that you want to trap the “Open In New Window” action for the WebBrowser control, and override the default behavior to open in a new tab inside your application instead. To accomplish this reliably, you need to get at the NewWindow2 event, which exposes ppDisp (a settable pointer to … Read more
If you want to color the tabs, try the following code: this.tabControl1.DrawMode = TabDrawMode.OwnerDrawFixed; this.tabControl1.DrawItem += new System.Windows.Forms.DrawItemEventHandler(this.tabControl1_DrawItem); private Dictionary<TabPage, Color> TabColors = new Dictionary<TabPage, Color>(); private void SetTabHeader(TabPage page, Color color) { TabColors[page] = color; tabControl1.Invalidate(); } private void tabControl1_DrawItem(object sender, DrawItemEventArgs e) { //e.DrawBackground(); using (Brush br = new SolidBrush (TabColors[tabControl1.TabPages[e.Index]])) { e.Graphics.FillRectangle(br, … Read more
A simplified example. Collection item: using Simplified; namespace AddTabItem { public class TabVm : BaseInpc { string _header; bool _isPlaceholder; private string _text; public string Header { get => _header; set => Set(ref _header, value); } public bool IsPlaceholder { get => _isPlaceholder; set => Set(ref _isPlaceholder, value); } public string Text { get => … Read more
Add a new class to your project and paste the code shown below. Compile. Drop the new control from the top of the toolbox onto your form. It shows the tabs at design time so you can easily switch between them while designing. They are hidden at runtime, use the SelectedTab or SelectedIndex property in … Read more
As an option you can add an extra tab which shows an add icon and check when the user clicks on that tab, then insert a new TabPage before it. Also you can prevent selecting that extra tab simply using Selecting event of TabControl. This way the last tab acts only like an add button … Read more
Cast your TabPage to a Control, then set the Enabled property to false. ((Control)this.tabPage).Enabled = false; Therefore, the tabpage’s header will still be enabled but its contents will be disabled.
I found a workaround here: https://web.archive.org/web/20120429044747/http://eric.burke.name/dotnetmania/2009/04/26/22.09.28 Edit: This is the corrected link: http://web.archive.org/web/20110825185059/http://eric.burke.name/dotnetmania/2009/04/26/22.09.28 It basically stores the ContentPresenter of the tab and loads that up when switching tabs instead of redrawing it. It was still causing the delay when dragging/dropping tabs since that was an remove/add operation, however with some modifications I got that to … Read more
I got resolve it with this tip WPF TabControl: Turning Off Tab Virtualization at http://www.codeproject.com/Articles/460989/WPF-TabControl-Turning-Off-Tab-Virtualization this a class of TabContent with property IsCached.
No, this doesn’t exist. You have to remove the tab and re-add it when you want it. Or use a different (3rd-party) tab control.