public void DrawRectangle(IEnvelope ienvelope_1)
{
ISceneViewer activeViewer = this._plugin.ActiveViewer;
System.Drawing.Rectangle r = default(System.Drawing.Rectangle);
System.Drawing.Point location = default(System.Drawing.Point);
IPoint lowerLeft = ienvelope_1.LowerLeft;
location.X = (int)lowerLeft.X;
location.Y = (int)lowerLeft.Y;
int width = (int)ienvelope_1.Width;
int height = (int)ienvelope_1.Height;
r.Location = location;
r.Width = width;
r.Height = height;
System.Windows.Forms.Control control = System.Windows.Forms.Control.FromHandle(new IntPtr(activeViewer.hWnd));
System.Windows.Forms.ControlPaint.DrawReversibleFrame(control.RectangleToScreen(r), System.Drawing.Color.Black, System.Windows.Forms.FrameStyle.Thick);
}
