Represents the text frame in a Shape object. Contains the text in the text frame as well as the properties and methods that control the alignment and anchoring of the text frame.
Use the TextFrame property to return a TextFrame object.
The following example adds a rectangle to myDocument, adds text to the rectangle, and then sets the margins for the text frame.
Set myDocument = Worksheets(1)
With myDocument.Shapes.AddShape(msoShapeRectangle, _
0, 0, 250, 140).TextFrame
.Characters.Text = "Here is some test text"
.MarginBottom = 10
.MarginLeft = 10
.MarginRight = 10
.MarginTop = 10