private void UpdateMap()
{
//计时器
pretime = System.DateTime.Now;
//先清空之前占用的绘图资源
if (backMap != null)
{
if (backMap.Graphics != null)
{
backMap.Graphics.Dispose();
}
backMap.Dispose();
}
//初始化绘图资源
Graphics frontGraphics = CreateGraphics();
backMap = backWindow.Allocate(frontGraphics, ClientRectangle);
frontGraphics.Dispose();
//在背景窗口中绘图
Graphics graphics = backMap.Graphics;
graphics.FillRectangle(new SolidBrush(Color.Black), ClientRectangle);
layer.Draw(graphics, view);
//把绘图内容搬到前端
Invalidate();
lattime = System.DateTime.Now;
counter = lattime.Subtract(pretime);
toolStripStatusLabel1counter.Text = "Display Operation Time:" + counter.ToString();
}
private void UpdateMap()
{
Graphics graphics = CreateGraphics();
//用黑色填充整个窗口
graphics.FillRectangle(new SolidBrush(Color.Black), ClientRectangle);
//根据新的view在绘图窗口中画上数组中的每个空间对象
layer.Draw(graphics, view);
graphics.Dispose();
}
private void UpdateMap()
{
Graphics graphics = CreateGraphics();
//用黑色填充整个窗口
graphics.FillRectangle(new SolidBrush(Color.Black), ClientRectangle);
//根据新的view在绘图窗口中画上数组中的每个空间对象
if (!IsJSONLayer)
{
layer.Draw(graphics, view);
}
else
{
foreach (XLayer layer in JSONLayers)
{
layer.Draw(graphics, view);
}
}
graphics.Dispose();
}
private void UpdateMap()
{
//先清空之前占用的绘图资源
if (backMap != null)
{
if (backMap.Graphics != null)
{
backMap.Graphics.Dispose();
}
backMap.Dispose();
}
//初始化绘图资源
Graphics frontGraphics = CreateGraphics();
backMap = backWindow.Allocate(frontGraphics, ClientRectangle);
frontGraphics.Dispose();
//在背景窗口中绘图
Graphics graphics = backMap.Graphics;
graphics.FillRectangle(new SolidBrush(Color.Black), ClientRectangle);
layer.Draw(graphics, view);
//把绘图内容搬到前端
Invalidate();
}
