//从内存加载图片
public void addGDIlayer(string layername, IImageDataProvider datapro, config cfg)
{
//delete existing same layer
ILayer layer = this.mapBox.Map.GetLayerByName(layername);
if (layer != null)
{
if (mp != null)
{
mp.Dispose();
mp = null;
}
if (img != null)
{
img.Dispose();
img = null;
}
if (p != null)
{
DeleteObject(p);
}
this.mapBox.Map.Layers.Remove(layer);
((Layer)layer).Dispose();
GC.Collect();
}
//get data from data provider
if (datapro == null)
{
DefaultData dd = new DefaultData();
mp = dd.GetData();
}
else
{
mp = datapro.GetData();
}
p = mp.GetHbitmap();
img = Image.FromHbitmap(p);
ImageGDILayer gdilayer = new ImageGDILayer(layername, img, cfg);
this.mapBox.Map.Layers.Insert(0, gdilayer);
this.mapBox.Map.ZoomToBox(gdilayer.Envelope);
this.mapBox.Refresh();
//System.Diagnostics.Process.GetCurrentProcess().MinWorkingSet = new System.IntPtr(5);
}
//从路径加载图片
public void addGDIlayer(string layername, string filepath, config cfg)
{
ImageGDILayer gdilayer = new ImageGDILayer(layername, filepath, cfg);
this.mapBox.Map.Layers.Insert(0, gdilayer);
this.mapBox.Map.ZoomToBox(gdilayer.Envelope);
this.mapBox.Refresh();
}
