private void button2_Click(object sender, System.EventArgs e) { //Find the legend IElement element = axPageLayoutControl1.FindElementByName("Legend", 1); if (element != null) { //Delete the legend IGraphicsContainer graphicsContainer = axPageLayoutControl1.GraphicsContainer; graphicsContainer.DeleteElement(element); //Refresh the display axPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null); //enable/disable buttons cmdDraw.Enabled = true; cmdDelete.Enabled = false; cmdChangeArea.Enabled = false; cmdChangeLine.Enabled = false; } }