System.Windows.Forms 2.0.0.0 System.Enum Use a value of to specify which panel stays the same size and which panel increases in size when a user resizes the . Specifies that , , or neither panel is fixed. Field System.Windows.Forms.FixedPanel Specifies that neither , is fixed. A event affects both panels. 2.0.0.0 Field System.Windows.Forms.FixedPanel Specifies that is fixed. A event affects only . 2.0.0.0 Field System.Windows.Forms.FixedPanel Specifies that is fixed. A event affects only . 2.0.0.0