/// 鼠标移动
protected override void OnMouseMove(MouseEventArgs e)
{
Pos_Mouse = trans.ScreenToWorld((float)e.X / this.Width, (float)e.Y / this.Height);
coordinate = String.Format("X:{0} Y:{1}",
Convert.ToString(Math.Round(Pos_Mouse.X, 3)),
Convert.ToString(Math.Round(Pos_Mouse.Y, 3)));
//objSnap.Snap(data, new WPoint2D(Pos_Mouse.X, Pos_Mouse.Y), RParas.Mode);
/////用于鼠标拖拽
if (Move_Mouse == true)
{
Rate2ViewPort = this.Width / trans.Viewport.Width;
Pos_Move = new PointF(e.X, e.Y);
this.DragMove((Pos_Move.X - Pos_Orin.X) / Rate2ViewPort, (Pos_Orin.Y - Pos_Move.Y) / Rate2ViewPort);
}
this.Invalidate();
base.OnMouseMove(e);
}