TabControl.SelectedTabChanged

event · TabControl · cAlgo.API Since 5.2

DesktopCLICloud

Occurs when the selected tab is changed.

Environment behaviour

CLI — not supported. Accepted without error but never displayed, so control events such as Click are never raised.

Cloud — not supported. Accepted without error but never displayed, so control events such as Click are never raised.

Definition

C#Python

public event Action<TabControlSelectedTabChangedEventArgs> SelectedTabChanged;

tabControl.SelectedTabChanged += handler  # handler(obj: TabControlSelectedTabChangedEventArgs)

Examples

C#Python

var tabControl = new TabControl();
tabControl.AddTab(new TabItem { Header = new TextBlock { Text = "Trade" } });
tabControl.AddTab(new TabItem { Header = new TextBlock { Text = "History" } });
tabControl.SelectedTabChanged += args => Print("Selected tab index: {0}", args.TabControl.Tabs.ToList().IndexOf(args.SelectedTab));
Chart.AddControl(tabControl);

def on_start(self):
    tabControl = TabControl()
    for title in ["Trade", "History"]:
        header = TextBlock()
        header.Text = title
        tab = TabItem()
        tab.Header = header
        tabControl.AddTab(tab)
    tabControl.SelectedTabChanged += self.on_selected_tab_changed
    api.Chart.AddControl(tabControl)

def on_selected_tab_changed(self, args):
    api.Print(f"Selected tab header: {args.SelectedTab.Header.Text}")