protected override void OnPaint(PaintEventArgs e)
{
#region old
//e.Graphics.SmoothingMode = m_smoothingMode;
//Rectangle cliprectangle = e.ClipRectangle;
//if (m_staticImage == null)
//{
// cliprectangle = ClientRectangle;
// m_staticImage = new Bitmap(ClientRectangle.Width, ClientRectangle.Height);
// // m_staticImage.Save("D:\\a.png", ImageFormat.Png);
// m_staticDirty = true;
//}
////绘制在背景图片上
//Graphics BitMapGc = Graphics.FromImage(m_staticImage);
//BitMapGc.SmoothingMode = m_smoothingMode;
////this.BackgroundLayer.Draw(dcStatic, r);
////if (m_model.GridLayer.Enabled)
//// m_model.GridLayer.Draw(dcStatic, r);
////绘制十字丝
//RPoint rCenterPoint = new RPoint(0, 0, 0);
//PointF nullPoint = Transform.ToScreen(rCenterPoint, this);
//BitMapGc.DrawLine(Pens.Blue, nullPoint.X - 10, nullPoint.Y, nullPoint.X + 10, nullPoint.Y);
//BitMapGc.DrawLine(Pens.Blue, nullPoint.X, nullPoint.Y - 10, nullPoint.X, nullPoint.Y + 10);
//if (m_staticDirty)
//{
// m_staticDirty = false;
// List<ILayer> layers = mMap.Layers;
// for (int layerindex = layers.Count - 1; layerindex >= 0; layerindex--)
// {
// if (layers[layerindex].Visible)
// layers[layerindex].Draw(mScreenDisplay);
// }
// BitMapGc.Dispose();
//}
////绘制背景图片
//e.Graphics.DrawImage(m_staticImage, cliprectangle, cliprectangle, GraphicsUnit.Pixel);
#endregion
e.Graphics.SmoothingMode = m_smoothingMode;
mScreenDisplay.StartDrawing(this);
mScreenDisplay.FinishDrawing(e.Graphics);
if (mScreenDisplay.IsCacheDirty)
{
mScreenDisplay.StartRecording();
mScreenDisplay.StopRecording();
}
else
{
mScreenDisplay.DrawCache();
}
}