Represents the text frame in a Shape , ShapeRange , or ChartFormat object.
This 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 TextFrame2 property to return a TextFrame2 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).TextFrame2
.TextRange.Text = "Here is some test text"
.MarginBottom = 10
.MarginLeft = 10
.MarginRight = 10
.MarginTop = 10
End With