c# - Old drag and drop code no longer works in windows 7 -

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i have code allows me drag , drop hyperlink webpage onto windows form, , seperates url , title , puts them in 2 different text boxes.

this works on windows xp fine, on windows 7 no longer works. i'm not sure difference lies.

object data = e.data.getdata("uniformresourcelocator");

data null, when use

 string[] fmts = e.data.getformats();

one of fmts uniformresourcelocator, along bunch of other ones can never seem data from. if has resources point me or appreciate it, confusing me.

thanks.

update:added method code used work

  string hyperlinkurl = null;         string hyperlinktext = null;              hyperlinkurl = e.data.getdata(typeof(string)) string;             // browser deliver url , text             // in uniformresourcelocator (firebird)             string[] tokens = null;             if (hyperlinkurl != null)             {                tokens = hyperlinkurl.split('\n');             }             if (tokens != null && tokens.length > 1)             {                 hyperlinkurl = tokens[0];                 hyperlinktext = tokens[1];             }             // have read filegroupdescriptor text (ie)             else             {                               system.io.stream iostream =                 (system.io.stream)e.data.getdata("filegroupdescriptor");                 byte[] contents = new byte[512];                 try                 {                     iostream.read(contents, 0, 512);                 }                 catch (exception x)                 {                  }                     iostream.close();                 system.text.stringbuilder sb = new system.text.stringbuilder();                 //the magic number 76 size of part of                 //filegroupdescriptor structure before                 // filename starts - cribbed                 //from usenet post.                 (int = 76; contents[i] != 0; i++)                 {                     sb.append((char)contents[i]);                 }                 if (!sb.tostring(sb.length - 4, 4).tolower().equals(".url"))                 {                     throw new exception("filename not end in '.url'");                 }                 hyperlinktext = sb.tostring(0, sb.length - 4);             }             tblinktitle.text = hyperlinktext;             tblinkaddress.text = hyperlinkurl;

drag , drop hyperlink webpage

that page wouldn't in web browser running in low integrity (e.g. ie protected mode), it? drag-and-drop doesn't work across integrity levels.

what happens if use icacls set executable's integrity level low well? if drag-and-drop starts working, problem.


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