printDocument设置适应边框打印 特重要 找了半天 设置一个属性即可

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private void pd_PrintPage(object sender, PrintPageEventArgs e)  {      e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;      //下面这个也设成高质量      e.Graphics.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;      //下面这个设成High      e.Graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;      e.Graphics.DrawImage(image,         e.Graphics.VisibleClipBounds);      e.HasMorePages = false;  }

　　关键在于

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1	e.Graphics.VisibleClipBounds 设置打印可见区域 即整个图片