c# 画完折线图有什么方法保存到Powerpoint里面去
protected void Page_Load(object sender, EventArgs e)
{
string[] month = new string[12]{ "一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月" };
float[] d = new float[12]{ 20.5f, 60, 10.8f, 15.6f, 30, 70.9f, 50.3f, 30.7f, 70, 50.4f, 30.8f, 20 }; //图中的点的数据

//画图初始化
System.Drawing.Bitmap bmap = new System.Drawing.Bitmap(500, 500);
Graphics gph = Graphics.FromImage(bmap);
gph.Clear(Color.White);
PointF cpt = new PointF(40, 420);//中心点
PointF[] xpt = new PointF[3] { new PointF(cpt.Y + 15, cpt.Y), new PointF(cpt.Y, cpt.Y - 8), new PointF(cpt.Y, cpt.Y + 8) };//x轴三角形
PointF[] ypt = new PointF[3] { new PointF(cpt.X, cpt.X - 15), new PointF(cpt.X - 8, cpt.X), new PointF(cpt.X + 8, cpt.X) };//y轴三角形
gph.DrawString("某工厂某产品月生产量图表", new Font("宋体", 14), Brushes.Black, new PointF(cpt.X + 60, cpt.X));//图表标题

//画x轴
gph.DrawLine(Pens.Black, cpt.X, cpt.Y, cpt.Y, cpt.Y);
gph.DrawPolygon(Pens.Black, xpt);
gph.FillPolygon(new SolidBrush(Color.Black), xpt);
gph.DrawString("月份", new Font("宋体", 12), Brushes.Black, new PointF(cpt.Y + 10, cpt.Y + 10));

//画y轴
gph.DrawLine(Pens.Black, cpt.X, cpt.Y, cpt.X, cpt.X);
gph.DrawPolygon(Pens.Black, ypt);
gph.FillPolygon(new SolidBrush(Color.Black), ypt);
gph.DrawString("单位(万)", new Font("宋体", 12), Brushes.Black, new PointF(0, 7));
for (int i = 1; i <= 12; i++)
{
//画y轴刻度
if (i < 11)
{
gph.DrawString(Convert.ToString(i * 10), new Font("宋体", 11), Brushes.Black, new PointF(cpt.X - 30, cpt.Y - i * 30 - 6));
gph.DrawLine(Pens.Black, cpt.X - 3, cpt.Y - i * 30, cpt.X, cpt.Y - i * 30);
}
//画x轴项目
gph.DrawString(month[i - 1].Substring(0, 1), new Font("宋体", 11), Brushes.Black, new PointF(cpt.X + i * 30 - 5, cpt.Y + 5));
gph.DrawString(month[i - 1].Substring(1, 1), new Font("宋体", 11), Brushes.Black, new PointF(cpt.X + i * 30 - 5, cpt.Y + 20));
if (month[i - 1].Length > 2) gph.DrawString(month[i - 1].Substring(2, 1), new Font("宋体", 11), Brushes.Black, new PointF(cpt.X + i * 30 - 5, cpt.Y + 35));
//画点
gph.DrawEllipse(Pens.Black, cpt.X + i * 30 - 1.5f, cpt.Y - d[i - 1] * 3 - 1.5f, 3, 3);
gph.FillEllipse(new SolidBrush(Color.Black), cpt.X + i * 30 - 1.5f, cpt.Y - d[i - 1] * 3 - 1.5f, 3, 3);
//画数值
gph.DrawString(d[i - 1].ToString(), new Font("宋体", 11), Brushes.Black, new PointF(cpt.X + i * 30, cpt.Y - d[i - 1] * 3));
//画折线
if (i > 1) gph.DrawLine(Pens.Red, cpt.X + (i - 1) * 30, cpt.Y - d[i - 2] * 3, cpt.X + i * 30, cpt.Y - d[i - 1] * 3);

}

//输出到浏览器
System.IO.MemoryStream ms = new System.IO.MemoryStream();
bmap.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
Response.ClearContent();
Response.ContentType = "image/Gif";
Response.BinaryWrite(ms.ToArray());
gph.Dispose();
bmap.Dispose();
}

大家给点意见啊。。

[解决办法]

C# code

 private void button1_Click(object sender, EventArgs e)        {            string path = @"E:\myPPt2.ppt";            myPPt.Application PPtApp = new myPPt.ApplicationClass();            myPPt.Presentation PPtDoc = PPtApp.Presentations.Add(Microsoft.Office.Core.MsoTriState.msoFalse);            Object Nothing = Missing.Value;            if (File.Exists((string)path))            {                File.Delete((string)path);            }            PPtDoc.Slides.Add(1,PowerPoint.PpSlideLayout.ppLayoutText);            string text = "示例文本";            foreach (myPPt.Slide slide in PPtDoc.Slides)            {                foreach (myPPt.Shape shape in slide.Shapes)                {                    shape.TextFrame.TextRange.InsertAfter(text);                }            }            myPPt.PpSaveAsFileType format = myPPt.PpSaveAsFileType.ppSaveAsDefault;            PPtDoc.SaveAs(path, format, Microsoft.Office.Core.MsoTriState.msoFalse);            PPtDoc.Close();            PPtApp.Quit();            MessageBox.Show("创建完毕，注意查阅！");        }        private void button2_Click(object sender, EventArgs e)        {            string path = @"E:\myPPt3.ppt";            myPPt.Application PPtApp = new myPPt.ApplicationClass();            myPPt.Presentation PPtDoc = PPtApp.Presentations.Add(Microsoft.Office.Core.MsoTriState.msoFalse);            Object Nothing = Missing.Value;            if (File.Exists((string)path))            {                File.Delete((string)path);            }            PPtDoc.Slides.Add(1, PowerPoint.PpSlideLayout.ppLayoutBlank);            string pic = @"I:\影视\61894106t73826464da49&690.jpg";            foreach (myPPt.Slide slide in PPtDoc.Slides)            {                slide.Shapes.AddPicture(pic,Microsoft.Office.Core.MsoTriState.msoFalse, Microsoft.Office.Core.MsoTriState.msoCTrue, 150, 150, 300, 200);            }            myPPt.PpSaveAsFileType format = myPPt.PpSaveAsFileType.ppSaveAsDefault;            PPtDoc.SaveAs(path, format, Microsoft.Office.Core.MsoTriState.msoFalse);            PPtDoc.Close();            PPtApp.Quit();            MessageBox.Show("创建完毕，注意查阅！");        }