using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;namespace Studio
{
/// <summary>
/// WebForm1 的摘要说明。
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
private void Page_Load(object sender, System.EventArgs e)
{
System.Drawing.Image image;
System.Drawing.Image aNewImage;
System.Drawing.Image.GetThumbnailImageAbort callb = new System.Drawing.Image.GetThumbnailImageAbort(ThumbnailCallback);
int width;
int height;
int newwidth;
int newheight;
image = System.Drawing.Image.FromFile(Server.MapPath("classpic/" + "rs1.gif"));
width = image.Width;
height = image.Height;
if (width > height)
{
newwidth = 110;
newheight = image.Height / image.Width * newwidth;
}
else
{
newheight = 110;
newwidth = image.Width / image.Height * newheight;
}
aNewImage = image.GetThumbnailImage(newwidth, newheight, callb, new System.IntPtr());
aNewImage.Save(Server.MapPath("smallpic/" + "rs1.gif"));
image.Dispose(); } public bool ThumbnailCallback()
{
return false;
}
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Load += new System.EventHandler(this.Page_Load); }
#endregion
}
}
错误是:
行 39: newwidth = image.Width / image.Height * newheight;
行 40: }
行 41: aNewImage = image.GetThumbnailImage(newwidth, newheight, callb, new System.IntPtr());
行 42: aNewImage.Save(Server.MapPath("smallpic/" + "rs1.gif"));
行 43: image.Dispose();
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;namespace Studio
{
/// <summary>
/// WebForm1 的摘要说明。
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
private void Page_Load(object sender, System.EventArgs e)
{
System.Drawing.Image image;
System.Drawing.Image aNewImage;
System.Drawing.Image.GetThumbnailImageAbort callb = new System.Drawing.Image.GetThumbnailImageAbort(ThumbnailCallback);
int width;
int height;
int newwidth;
int newheight;
image = System.Drawing.Image.FromFile(Server.MapPath("classpic/" + "rs1.gif"));
width = image.Width;
height = image.Height;
if (width > height)
{
newwidth = 110;
newheight = image.Height / image.Width * newwidth;
}
else
{
newheight = 110;
newwidth = image.Width / image.Height * newheight;
}
aNewImage = image.GetThumbnailImage(newwidth, newheight, callb, new System.IntPtr());
aNewImage.Save(Server.MapPath("smallpic/" + "rs1.gif"));
image.Dispose(); } public bool ThumbnailCallback()
{
return false;
}
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Load += new System.EventHandler(this.Page_Load); }
#endregion
}
}
错误是:
行 39: newwidth = image.Width / image.Height * newheight;
行 40: }
行 41: aNewImage = image.GetThumbnailImage(newwidth, newheight, callb, new System.IntPtr());
行 42: aNewImage.Save(Server.MapPath("smallpic/" + "rs1.gif"));
行 43: image.Dispose();
解决方案 »
- 关于网页的问题
- <!--#include file=""-->在后台代码里如何写
- ASP.NET论坛的例子?
- 高度100%问题.
- 哪位能帮我啊,数据库的连接(第5天了)!!!!!!
- VS2005用的是FrameWork2.0么?
- 很奇怪的问题,一和外网连接页面连接就出错!高手请指教!!谢了先~!
- ----怎样向网页中加入一个已经存在的图象---
- dropdownlist控件在IE上为什么没显示啊?
- asp.net 读取自定义存储过程
- gridview Template里的按钮如何获取当前1行的所有信息?
- 请教:用户控件HTML中无<body>标签,那么怎么放置onload属性?另外,一个<body>中怎么放置两个onload?
http://sz.luohuedu.net/xml/ShowDetail.asp?id=45E7E33C-F149-450E-B5D5-832958C20538上面的代码是从VB转过来的,VB的代码是可以执行的。
就是转成C#以后出错了:(
System.Drawing.Image aNewImage;
System.Drawing.Image.GetThumbnailImageAbort callb = new System.Drawing.Image.GetThumbnailImageAbort(ThumbnailCallback);
int width;
int height;
int newwidth = 110;
int newheight = 110;
image = System.Drawing.Image.FromFile(Server.MapPath("classpic/" + "rs1.gif"));
width = image.Width;
height = image.Height;
if (width < height)
{
//newheight = (int) image.Height/image.Width * newwidth;
newheight = (int) ( height/(width/newwidth) );
}
else
{
//newheight = 110;
//newwidth = (int)image.Width/image.Height*newheight;
newheight = (int) (width/(height/newheight));
}
aNewImage = image.GetThumbnailImage(newwidth, newheight, callb, new System.IntPtr());
aNewImage.Save(Server.MapPath("smallpic/" + "rs1.gif"),System.Drawing.Imaging.ImageFormat.Gif);
image.Dispose();