SpreadsheetGear
ActiveTabChanging Event
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SpreadsheetGear.Windows.Forms Namespace > WorkbookView Class : ActiveTabChanging Event

Occurs when the user is attempting to change the active tab and provides the ability to cancel the change.

Syntax

Visual Basic (Declaration) 
<CategoryAttribute("Action")>
<DescriptionAttribute("Occurs when the active tab is about to change.")>
Public Event ActiveTabChanging() As ActiveTabChangingEventHandler
C# 
[CategoryAttribute("Action")]
[DescriptionAttribute("Occurs when the active tab is about to change.")]
public event ActiveTabChangingEventHandler ActiveTabChanging()

Event Data

The event handler receives an argument of type ActiveTabChangingEventArgs containing data related to this event. The following ActiveTabChangingEventArgs properties provide information specific to this event.

PropertyDescription
Cancel Gets or sets the value which specifies whether the event should be canceled.
Sheet Returns the new sheet.
TabIndex Returns the new tab index.

Remarks

The ActiveTabChanging event is always invoked on the thread which created the workbook view control, and a lock is always acquired on the workbook set associated with the workbook view control before ActiveTabChanging is invoked.

Requirements

Platforms: x86 and x64 versions of Windows 2000, Windows XP, Windows Vista, Windows 7, Windows Server 2003 (including R2) and Windows Server 2008 (including R2). SpreadsheetGear 2009 requires the Microsoft .NET Framework 2.0 and supports .NET 3.0 and .NET 3.5.

See Also

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