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How to set the tab style as the Office 2007 mode in WinForms TabControlAdv?
Tab style
You can set the tab style as office 2007 mode using TabStyle property of the TabControlAdv.
C#
this.tabControlAdv1.TabStyle = typeof(Syncfusion.Windows.Forms.Tools.TabRendererOffice2007);
VB
Me.tabControlAdv1.TabStyle = GetType(Syncfusion.Windows.Forms.Tools.TabRendererOffice2007)
Reference link: https://help.syncfusion.com/windowsforms/tabcontrol/styles-settings