The System.Windows.Forms.VisualStyles.TextBoxState values correspond to the states of the System.Windows.Forms.VisualStyles.VisualStyleElement objects exposed by the System.Windows.Forms.VisualStyles.VisualStyleElement.TextBox.TextEdit class. The System.Windows.Forms.VisualStyles.TextBoxState values are also used as an argument in the erload:System.Windows.Forms.TextBoxRenderer.DrawTextBox method.