How to hide border of XtraTabControl

 this.xtraTabControl1.BorderStyle = DevExpress.XtraEditors.Controls.BorderStyles.NoBorder;
            this.xtraTabControl1.BorderStylePage = DevExpress.XtraEditors.Controls.BorderStyles.NoBorder;
            this.xtraTabControl1.LookAndFeel.Style = DevExpress.LookAndFeel.LookAndFeelStyle.Flat;
            this.xtraTabControl1.LookAndFeel.UseDefaultLookAndFeel = false;

https://www.devexpress.com/Support/Center/Question/Details/Q333953/how-to-hide-border-of-xtratabcontrol

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原文地址：https://www.cnblogs.com/bycnboy/p/9040386.html