kev/Drawer/Module/GeoSigmaViewer/DrawToolPoint.cs

using System.Windows.Forms;

namespace GeoSigmaViewer
{
    public class DrawToolPoint : DrawTool
    {
        private PointAddDialog paDlg = null;
        public DrawToolPoint()
        {
            ToolCursor = DrawCursors.Select;
            ItemType = DrawItemType.ITEM_POINT;
        }
        public override void Start()
        {
            if (paDlg != null)
            {
                if (paDlg.IsAccessible)
                    paDlg.Close();
                paDlg = null;
            }
            paDlg = new PointAddDialog(ref drawer);
            paDlg.Show();
        }
        public override void End()
        {
            if (paDlg != null)
            {
                if (paDlg.IsAccessible)
                    paDlg.Close();
                paDlg = null;
            }
        }
        public override void OnLButtonDown(Drawer drawArea, MouseEventArgs e)
        {
            drawArea.Geo.OnLButtonDown(e.X, e.Y);
            drawArea.Geo.EnableRedraw(true);
            drawArea.ReDraw();
        }
    }
}