html5 drag and drop file upload example

Unit Unit1;InterfaceUsesWindows, Messages, Sysutils, Classes, Graphics, Controls, Forms, Dialogs,Shellapi, Stdctrls;TypeTForm1 = Class (Tform)Memo1:tmemo;Procedure Formcreate (Sender:tobject);Private{Private declarations}PublicProcedure Wmdropfiles (var message:tmessage); message wm_dropfiles;{Public declarations}EndVarForm1:tform1;Implementation{$R *.DFM}Procedure Tform1. Wmdropfiles (var message:tmessage);Respond to drag events, where the path to th

Dialog box, Accept Files (True)voidcmfcdragfiledlg::ondropfiles (hdrop Hdropinfo) {TCHAR szpath[max_path]= {0}; UINT ncount= Dragqueryfile (hdropinfo,0xFFFFFFFFNull0); for(UINT i =0; I ) {dragqueryfile (hdropinfo, i, szpath, max_path); intIgender =Getcheckedradiobutton (idc_radio1, idc_radio2); Switch(igender) { caseIdc_radio1:setdlgitemtext (idc_edit1,szpath); break; caseidc_radio2:if(m_combobox. FindString (0, Szpath) 0)//existing does not add {m_combobox. AddString (szpath); }

Problem Source: http://www.cnblogs.com/del/archive/2009/01/20/1353117.html#1435746 Principle Analysis: Two shellapi functions are required: dragacceptfiles and dragqueryfile; Use dragacceptfiles (window handle, true); to allow the window to accept drag and drop; Then, wait for the wm_dropfiles message and use the dragqueryfile function to process the message parameters to obtain information

C # implementation file drag and drop and open fileTwo events to be aware of the listbox: A DragEnter event occurs when you drag an object within the bounds of the control;The object you are dragging is not the object you want to put on the control. You need to handle this event when you

Here's how:1. Run the virtual machine and open the virtual machine system. Click the "VM" option in the menu bar and select "Install Vmware Tools ..." from the drop-down menu. Install the computer and Virtual system Exchange tool.650) this.width=650; "Src=" http://c.hiphotos.baidu.com/zhidao/pic/item/ Aa64034f78f0f736a5b99e610c55b319ebc4130e.jpg "alt=" aa64034f78f0f736a5b99e610c55b319ebc4130e "/>2. After clicking, the system will automatically load th

From: http://blog.csdn.net/q1056843325/article/details/53759963 This article is my translation of the foreign language, not my originalOnline see a lot of blogs have reproduced this articleBut it's all in English.So I decided to translate it.(Translation and formatting also cost a lot of effort (~"~) ~zz)English ability is limited, we can do it (translation has a slight change)(PS: For the compatibility of the following version of the issue please ignore, after all, this article also counted fo

Brief tutorialsJquery.filer is a simple HTML5 file upload component to beautify the jquery plugin. It can complete single file and multi-file upload, support file

in the development process of large enterprises, a lot of more interesting and practical functions are often discouraged, I bring you a Baidu cloud disk and 360 cloud disk HTML5 multi-file drag upload technology:1: Remember import: common-Fileupload.jar package. Upload uploa

Through the file drag implementation of the file upload, the main use is HTML5 OnDrop event, upload content channel Formdata transmission:progress bar Js:var dz = $ (' #main_content_center ');d z.ondragover = function (EV) {//prev

Compared with Flash, the new technology using HTML5 can improve the loading speed of the program. However, in the current situation, HTML5 feature support is not high, the availability of plug-ins is really narrow. For example, the new features I use in Plug-ins are: Multiple properties of the File and FileL

Modified the next Dropzonejs of the demo upload page: (Original address: Http://www.dropzonejs.com/exa ... Add a textarea, want to implement the file upload processing completed after the processing results back to the textarea, how to deal with it? The following is the contents of the index.php file: Dropzone

Reference: How to use DropzoneClick to view dropzone Chinese documentsBackstage with the Inspinia framework template, inside there, dropzone.jsDropzone is a can drag file upload js.Drag it in and upload it. I wrote a image3,image4 on the page that saved the uploaded file.This will require rewriting the dropzone.js.The

Article Introduction: Jquery HTML5 Uploader plug-ins use notes. jquery HTML5 Uploader is a jquery file upload plugin that supports drag-and-drop uploads, but requires browsers to support

emo_album_id:Name: for= "File" >Upload Image:Sentencemovie[photo]HTML5 asynchronous upload image display upload file progress bar

Comments: HTML 5 is a powerful tool for Web developers. Recently, W3C has released a new draft-HTML5 File API, which will greatly improve Web-based File upload operations and even directly drag and drop files from the desktop to t

HTML5 finally solves an age problem of being able to upload files while also showing the upload. Today most websites with Flash Player to achieve this functionality. Some websites continue to use the html uploading files using HTML5The XMLHttpRequest object has gotten a facelift in the HTML5 specifications. Specificall

HTML5 how to implement client-side verification of upload file size, In HTML 5, you can now check the client for file uploads, such as when the user selects a file, you can check the file size and properties immediately. This art

. JavaScript In this example, we use the input form field to upload an image. When you select an image on your computer, the image will be displayed on the page: Document. getElementById ('upload-file '). addEventListener ('change', function () {var file; var destination = d

front end, it is not necessary to theoretically limit the size of the picture. Second, the picture front-end JS compression and upload function experienceSpecially made a picture front-end compression and upload the full demo, you can ruthlessly click here: Use canvas to compress images in the front and upload the demoEnter the demo to see a plain

Simple Example of js Upload File preview, js Upload File Preview 1. FILE API Html5 provides two methods: FIle and FileReader to read