Re: winform drag and drop functionality

Must be a Mono bug, then. It might be OS specific, but you didn't specify the
OS.

PS: Note that you don't need to recompile your app with Mono in order to run
it with Mono.

savita wrote
> 
> Hi,
> 
> We have developed a drag and drop functionality in .net win form using c#. 
> drag sourse is list box
> drag target is textbox.
> 
> It doesn't give any error when compiled in mono. However the drag and drop
> functionality doesn't work in mono. The text in texbox set as a blank when
> dragged a list item from listbox. It works fine in .net.
> Kindly help and let me know what I am missing.
> 
> I have set the 
> 
> this.textBox1.AllowDrop = true;
> this.listBox1.MouseDown += new
> System.Windows.Forms.MouseEventHandler(this.listBox1_MouseDown);
> this.textBox1.DragDrop += new
> System.Windows.Forms.DragEventHandler(this.textBox1_DragDrop);
> this.textBox1.DragEnter += new
> System.Windows.Forms.DragEventHandler(this.textBox1_DragEnter);
> --------------------------------------------
>  public Form1()
>         {
>             InitializeComponent();
>             listBox1.Items.Add("ABC");
>             listBox1.Items.Add("XYZ");
>             listBox1.Items.Add("AAA");
>         }
> 
>         private void textBox1_DragEnter(object sender, DragEventArgs e)
>         {
>             if (e.Data.GetDataPresent(DataFormats.Text))
>                 e.Effect = DragDropEffects.Copy;
>             else
>                 e.Effect = DragDropEffects.None;
> 
>         }        
> 
>         private void textBox1_DragDrop(object sender, DragEventArgs e)
>         {
> 
>             textBox1.Text =
> (string)e.Data.GetData(DataFormats.StringFormat); ;
>          
>         }
> 
> 
> 
>         private void listBox1_MouseDown(object sender, MouseEventArgs e)
>         {
>             
>             listBox1.DoDragDrop(listBox1.SelectedItem.ToString(),
> DragDropEffects.Copy);
>          
> 
>         }
> ---------------------------------------------------------
> 
> Note : I have also refered the 'Dragging Text' code from
> http://zetcode.com/tutorials/monowinformstutorial/dragdrop/ . This also
> doesn't work when compiled in mono.
> 

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