[Gtk-sharp-list] How to remove multiple rows from a TreeStore ?

[Dmitry Kostenko]

Hello, Joris.


Maybe this way?

TreeIter iter;
if (store.GetIterFirst(out iter)) {
   do {
     bool val = (bool) store.GetValue(iter, 0);
     while (val) {
       // do something - delete file or whatever
       store.Remove(ref iter);
       // iter may become invalid, may need to convert to a treepath

       val = (bool) store.GetValue(iter, 0);
     }
   }
   while (store.IterNext(ref iter));
}


Joris Willems wrote:
>       //Delete some rows from a TreeStore
>       private void on_cmdDelete_clicked (object o, EventArgs args)
>       {
>                       TreeIter iter = new TreeIter ();
>            store.GetIterFirst (out iter);
>            while (store.IterNext(ref iter))
>            {
>                           //Check if the Togglebox is checked
>                bool val = (bool) store.GetValue(iter, 0);
>                               //if the Togglebox is checked remove the row
>                if (val==true)
>                    {
>                    vDS.DeleteFile((int)store.GetValue(iter,1));
>                    store.Remove(ref iter);
>                    }
>            }
>                     }
> 
> This works but i need to click several times and I cannot remove the 
> first row.
> 
> I found something in Java that should do what I need but I couldn't port 
> it to c#.
> 
> public void removeButtonClicked() {
>     TreePath path = new TreePath("0");
>     //stop at the end of the list
>     while (store.getIter(path) != null) {         //remove contiguous 
> selected rows
>         while (mySelection.getSelected(path))
>             store.removeRow(store.getIter(path));
>         //step ahead until an unselected row or null is found
>            while (!mySelection.getSelected(path) && store.getIter(path) 
> != null)              path.next();
>         }
>     }
> 
> 
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> 

-- 
Dmitry Kostenko
.NET Developer