private void BackgroundWorker_RepaintBmpDelay_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
//
// 后台更新位图完成，重绘位图。
//
if (Bmp != null)
{
Panel_GraphArea.CreateGraphics().DrawImage(Bmp, new Point(0, 0));
}
}
private void RepaintBmp()
{
//
// 更新并重绘位图。
//
if (Panel_GraphArea.Visible && (Panel_GraphArea.Width > 0 && Panel_GraphArea.Height > 0))
{
UpdateBmp();
if (Bmp != null)
{
Panel_GraphArea.CreateGraphics().DrawImage(Bmp, new Point(0, 0));
}
}
}
