Objects(<object name or index>).Height = Value
Where Value determines the height of the object in the measurement units of the active document.
The Object.Height property sets or returns the height of a box, ellipse, barcode, rich text, or picture object.For barcode objects, the height property applies only to 1D barcodes and postal barcodes.For rich text objects, the height property is valid only if the scaling method is set to "Fixed Dimensions" or "Automatically scale content to fit object dimensions".