Gets or sets the initial state of a toggle image, if present in the textbox. The image displays a plus sign (+) for collapsed state and a minus sign (-) for expanded state.
'Declaration
Public Property ToggleImage As ToggleImage
Property Value
A
ToggleImage object indicating the initial state of the toggle image.
TextBox textBox = new TextBox();
textBox.ToggleImage = new ToggleImage { InitialState = ExpressionInfo.FromString("true") };