'宣言 Public Class XamTabControl Inherits System.Windows.Controls.TabControl
public class XamTabControl : System.Windows.Controls.TabControl
Imports Infragistics.Windows.Controls Imports Infragistics.Windows.Controls.Events Class Window1 Public Sub New() ' This call is required by the Windows Form Designer. InitializeComponent() ' Add any initialization after the InitializeComponent() call. ' tabs will be displayed on multiple rows and sized so fit each row Me.XamTabControl1.TabLayoutStyle = TabLayoutStyle.MultiRowSizeToFit ' the maximum visible tab rows is set to 4. If the tab control is sized ' so there are more than 4 rows then scroll buttons will be displayed Me.XamTabControl1.MaximumTabRows = 4 ' Specify the maximum # of device independent units that can be added ' to each tab item we adjusting to fit the size of the XamTabControl. ' Setting this limit prevents the tabs from being resized too large. Me.XamTabControl1.MaximumSizeToFitAdjustment = 50 ' specify the spacing between each tab Me.XamTabControl1.InterTabSpacing = 2 ' specify the spacing between each tab row Me.XamTabControl1.InterRowSpacing = 2 ' specify the minimum extent to each tab Me.XamTabControl1.MinimumTabExtent = 100 ' Allow tab closing by default. Me.XamTabControl1.AllowTabClosing = True ' Note: tab closing can be overriden on each TabItemEx by setting its AllowClosing ' property, e.g. TryCast(Me.XamTabControl1.Items(0), TabItemEx).AllowClosing = False ' Show a close button in the tab header area that will close the selected tab Me.XamTabControl1.ShowTabHeaderCloseButton = True ' Show a close button in the TabItemEx if the tab is selected ' or if the mouse is over it. Me.XamTabControl1.TabItemCloseButtonVisibility = TabItemCloseButtonVisibility.WhenSelectedOrHotTracked ' Note: tab item close button visibility can be overriden on each TabItemEx by ' setting its CloseButtonVisibility property, e.g. TryCast(Me.XamTabControl1.Items(2), TabItemEx).CloseButtonVisibility = TabItemCloseButtonVisibility.Hidden Dim tab As TabItemEx = TryCast(Me.XamTabControl1.Items(1), TabItemEx) ' Wire the Closing event for a specific tab. Setting Cancel to true inside the event will ' prevent the tab from being closed AddHandler tab.Closing, AddressOf tabItem_Closing ' Note: when the XamTabControl closes a tab it leaves it in the Items ' collection an just sets the tab item's Visibility to 'Collapsed'. ' Therefore, to unclose a tab set its Visibility property back to 'Visible' End Sub Private Sub tabItem_Closing(ByVal sender As Object, ByVal e As TabClosingEventArgs) ' Setting Cancel to true will prevent the tab from being closed e.Cancel = True End Sub End Class
using Infragistics.Windows.Controls; using Infragistics.Windows.Controls.Events; public partial class Window1 : Window { public Window1() { InitializeComponent(); // tabs will be displayed on multiple rows and sized so fit each row this.xamTabControl1.TabLayoutStyle = TabLayoutStyle.MultiRowSizeToFit; // the maximum visible tab rows is set to 4. If the tab control is sized // so there are more than 4 rows then scroll buttons will be displayed this.xamTabControl1.MaximumTabRows = 4; // Specify the maximum # of device independent units that can be added // to each tab item we adjusting to fit the size of the XamTabControl. // Setting this limit prevents the tabs from being resized too large. this.xamTabControl1.MaximumSizeToFitAdjustment = 50; // specify the spacing between each tab this.xamTabControl1.InterTabSpacing = 2; // specify the spacing between each tab row this.xamTabControl1.InterRowSpacing = 2; // specify the minimum extent to each tab this.xamTabControl1.MinimumTabExtent = 100; // Allow tab closing by default. this.xamTabControl1.AllowTabClosing = true; // Note: tab closing can be overriden on each TabItemEx by setting its AllowClosing // property, e.g. ((TabItemEx)this.xamTabControl1.Items[0]).AllowClosing = false; // Show a close button in the tab header area that will close the selected tab this.xamTabControl1.ShowTabHeaderCloseButton = true; // Show a close button in the TabItemEx if the tab is selected // or if the mouse is over it. this.xamTabControl1.TabItemCloseButtonVisibility = TabItemCloseButtonVisibility.WhenSelectedOrHotTracked; // Note: tab item close button visibility can be overriden on each TabItemEx by // setting its CloseButtonVisibility property, e.g. ((TabItemEx)this.xamTabControl1.Items[2]).CloseButtonVisibility = TabItemCloseButtonVisibility.Hidden; // Wire the Closing event for a specific tab. Setting Cancel to true inside the event will // prevent the tab from being closed ((TabItemEx)this.xamTabControl1.Items[1]).Closing += new EventHandler<TabClosingEventArgs>(tabItemEx2_Closing); // Note: when the XamTabControl closes a tab it leaves it in the Items // collection an just sets the tab item's Visibility to 'Collapsed'. // Therefore, to unclose a tab set its Visibility property back to 'Visible' } private void tabItemEx2_Closing(object sender, TabClosingEventArgs e) { // Setting Cancel to true will prevent the tab from being closed e.Cancel = true; }