Attached Object
Gets or sets the reference to a block diagram object to which a text label is attached. This property only works with free labels on the block diagram.
Document Bounds
Returns the size required to display the entire text.
Document Bounds:Height
Returns the height required to display the entire text.
Document Bounds:Width
Returns the width required to display the entire text.
Enable Hyperlinks
Automatically detects URLs of the form proto://domain, displays them in underlined blue text, and opens them in the default web browser when clicked.
Font
Cluster of font name, size, bold, italic, underline, strikeout.
Font:Bold
Indicates whether the text is bold.
Font:Color
Sets the color of the currently selected text. You can use the Selection property to select a subset of a string.
Font:Italic
Indicates whether the text is italic.
Font:Name
Font name. Predefined font names include App Font, Sys Font, and Dlg Font. If you provide an empty string, this property returns an error.
Font:Size
Font size.
Font:Strikeout
Indicates whether the text is in the strikeout font.
Font:Underline
Indicates whether the text is underlined.
Justification
Gets and sets the justification of text.
Lock
Locks the label or caption to the owning control, indicator, or terminal. You cannot set this property on text fields that are not labels or captions, such as Boolean text, numeric text, free labels, and so on.
Scroll Position
Position of the scroll box in the scroll bar.
Selection
Text selection specified in terms of character positions for the beginning of selection (inclusive) and end of selection (not inclusive). If you set the start and end to be the same, LabVIEW inserts a caret into the text.
Selection:End
Allows you to select the end point of text in a text string.
Selection:Start
Character position for the beginning of selection (inclusive).
Size to Text?
Sets whether the size of the text object changes according to the text included. You can write this property only for free labels, control labels, and captions.
Text
Text as displayed in the front panel object. For example, if you set a string control to use Password Display, this property returns the password string, such as ****, not the Normal Display of the string.
Text Colors
Changes the foreground and background color of a text string.
Text Colors:BG Color
Background color of text object.
Text Colors:Text Color
Text color for all fonts in the text.
Text Overflow
Display a gradient overflow visual effect when text gets clipped by the controls.
Vertical Arrangement
Gets and sets the vertical arrangement for the text. You can set the vertical arrangement for labels, captions, and free labels. For free labels, if a vertical scrollbar is visible, this property can only be set to None or Stacked. Setting other values will result in error 1786.

LabVIEW Programming Reference Manual