void IDrawingSource.RemoveSheet(IDrawingSourceSheet sheet) { var sht = sheet as DrawingSourceSheet; if (sht != null) { this.Sheet.Remove(sht); } }
void IDrawingSource.AddSheet(IDrawingSourceSheet sheet) { var sht = sheet as DrawingSourceSheet; if (sht != null) { this.Sheet.Add(sht); } }
void IDrawingSource.RemoveSheet(IDrawingSourceSheet sheet) { var sht = sheet as DrawingSourceSheet; if (sht != null) this.Sheet.Remove(sht); }
void IDrawingSource.AddSheet(IDrawingSourceSheet sheet) { var sht = sheet as DrawingSourceSheet; if (sht != null) this.Sheet.Add(sht); }