Behavior Settings in Windows Forms Percent TextBox

The Behavior settings of the PercentTextBox control are discussed below.

NegativeInputPendingOnSelectAll

The percent value of the PercentTextBox can be changed to a negative value using the NegativeInputPendingOnSelectAll property.

this.percentTextBox1.NegativeInputPendingOnSelectAll = true;
Me.percentTextBox1.NegativeInputPendingOnSelectAll = True