| 0 | 成功 |
| 100 | 无法创建服务器插口 |
| 101 | 无法绑定服务器插口 |
| 1、5 | 连接错误 |
| 3、2、6、7 | 网络发送错误 |
| 32、31、8、9 | 网络接收错误 |
| 4 | 无法创建视频编解码器 |
| 28 | 拒绝连接 |
| 29 | 客户端PC上没有安装解码器 |
| 91 | 网络接收超时 |
Bitmap b = new Bitmap(640, 480); Graphics g = Graphics.FromImage(b); g.Clear(System.Drawing.Color.White); g.DrawRectangle(System.Drawing.Pens.Red, mx, my, mw, mh); IntPtr bh = b.GetHbitmap(); videoCapX.SetBitmapOverlay((int)bh,0,0,0xffffff,255); if(oldbh!=(IntPtr)0) DeleteObject(oldbh); oldbh = bh;
Example:vcx.VideoDeviceIndex = -2vcx.VideoSourceURL = "http://atlascam2.colorado.edu/axis-cgi/jpg/image.cgi"vcx.CaptureAudio = Falsevcx.Connected = Truevcx.Preview = True
C＃
Console.WriteLine("Attachment name is " + msg.Attachments[0].Name);
VB.NET
Console.WriteLine("Attachment name is " + msg.Attachments(0).Name)C＃
Pop3 pop = new Pop3();
// Download entire message
MailMessage msg = pop.DownloadEntireMessage(1);
if (msg.HasAttachments)
{
// The message has at least one attachment
}
VB.NET
Dim pop As New Pop3()
' Download entire message
Dim msg As MailMessage = pop.DownloadEntireMessage(1)
if (msg.HasAttachments) Then
' The message has at least one attachment
End If
我们很高兴地宣布Dynamic Web TWAIN（DWT）新版本v13.0已经发布，即跨浏览器、跨平台的Web扫描SDK。这个升级主要实现了一个新的设计 - 新的Dynamsoft服务加上不同的成像模块（扫描、摄像头捕获、PDF、条形码阅读器和OCR）。
试用、下载、了解更多产品信息请点击"咨询在线客服"
1 2 3 | /* Property *//* Scan pages in 200 DPI */DWObject.Resolution = 200; |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | // Method ///<summary> /// Rotates the image of a specified index in buffer by a specified angle. /// </summary>///<param name="sImageIndex" type="short" data-filtered="filtered">specifies the index of image in buffer. The index is 0-based.///<param name="fAngle" type="float" data-filtered="filtered">specifies the angle.///<param name="bKeepSize" type="bool" data-filtered="filtered">specifies whether to keep the original size///<returns type="bool" data-filtered="filtered"></returns>DWObject.Rotate(0, 45, false); // rotate the 1st image in the buffer by 45 degrees |
1 2 3 4 5 6 7 8 9 10 11 12 13 | <script type="text/javascript" data-filtered="filtered">Dynamsoft.WebTwainEnv.RegisterEvent('OnWebTwainReady', Dynamsoft_OnReady);var DWObject;/* OnWebTwainReady event fires as soon as Dynamic Web TWAIN is initialized and ready to be used. It is the best place to add event listeners */function Dynamsoft_OnReady() { DWObject = Dynamsoft.WebTwainEnv.GetWebTwain('dwtcontrolContainer'); DWObject.RegisterEvent("OnPostTransfer", Dynamsoft_OnPostTransfer);}function Dynamsoft_OnPostTransfer() { /* This event OnPostTransfer will be triggered after a transfer ends. */ /* your code goes here*/}</script> |
1 2 3 4 5 6 7 8 9 10 | <script type="text/javascript" data-filtered="filtered">Dynamsoft.WebTwainEnv.RegisterEvent('OnWebTwainReady', Dynamsoft_OnReady);var DWObject;function Dynamsoft_OnReady() { DWObject = Dynamsoft.WebTwainEnv.GetWebTwain('dwtcontrolContainer'); DWObject.RegisterEvent("OnPostTransfer", function() { /* your code goes here*/ });}</script> |
1 2 | /* sImageIndex is the index of the image you clicked on*/OnMouseClick(short sImageIndex) |
1 2 3 | function DynamicWebTwain_OnMouseClick(index) { CurrentImage.value = index + 1;} |
1 2 3 | DWObject.RegisterEvent("OnPostTransfer", function(index) { CurrentImage.value = index + 1;}); |
1 2 3 4 5 6 7 | <script type="text/javascript" data-filtered="filtered">Dynamsoft.WebTwainEnv.RegisterEvent('OnWebTwainReady', Dynamsoft_OnReady);var DWObject;function Dynamsoft_OnReady() { DWObject = Dynamsoft.WebTwainEnv.GetWebTwain('dwtcontrolContainer');}</script> |
1 2 3 4 5 | <script type="text/javascript" data-filtered="filtered"> Dynamsoft.WebTwainEnv.RegisterEvent('OnWebTwainReady', function() { DWObject = Dynamsoft.WebTwainEnv.GetWebTwain('dwtcontrolContainer'); });</script> |
本次教程到此结束，希望能对Dynamic Web TWAIN的用户带来帮助，接下来还会有更多的相关教程，敬请期待！
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