void SetTextStyleWidthFactor(Database db, string styleName, double newWidthFactor)
{
using(var tr = new OpenCloseTransaction())
{
var textStyleTable = (TextStyleTable)tr.GetObject(db.TextStyleTableId, OpenMode.ForRead);
if(textStyleTable.Has(styleName))
{
var tsr = (TextStyleTableRecord)tr.GetObject(textStyleTable[styleName], OpenMode.ForWrite);
tsr.XScale = newWidthFactor;
}
tr.Commit();
}
}
Thank you so much