private void Render(PaintEventArgs e)
{
if (_vectorMapRuntime == null || _vectorMapRuntime.Map == null)
{
e.Graphics.Clear(BackColor);
return;
}
try
{
_renderArg.BeginRender(e.Graphics);
e.Graphics.Clear(_vectorMapRuntime.Map.MapArguments.BackColor);
_vectorMapRuntime.Render(_renderArg);
//
if (_currentMapTool != null)
{
_currentMapTool.Render(_renderArg);
}
}
finally
{
_renderArg.EndRender();
//触发渲染完毕的事件通知(异步方式通知)
if (_renderFinishedNotify != null)
{
this.DoBeginInvoke(_renderFinishedNotify);
_renderFinishedNotify = null;
}
}
}
public void Render(object sender, IDrawArgs drawArgs)
{
if (_mapRuntime == null)
{
return;
}
if (_canvas == null)
{
_canvas = sender as ICanvas;
Init();
}
else
{
if (_coordinateTranform == null)
{
_coordinateTranform = _canvas.CoordTransform;
}
}
_renderArgs.BeginRender(drawArgs.Graphics as Graphics);
try
{
if (_isEnableDummyRender)
{
DoRender(_renderArgs);
}
else
{
DirectRender(_renderArgs);
}
}
finally
{
_renderArgs.EndRender();
}
}
