WPF

1. Which is Good Project Solution Structure for C# + WPF + MVVC + prism 4. Can give some reference for this.

2. Which is Good way to create Project Solution Structure.

3. Which is Good Way for Exception Handling

4. If any one know LinQ, is LinQ suitable with WPF + MVVC + prism 4. Any LinQ extended library which help for development.

5. Any Existing or 3'rd party library which help for development like Microsoft Enterprise Library

6. Any suggestions for different Tool,Framework,Design Patterns. ...etc

7. Any Reference/Help site links 

<Grid Height="500" Width="500">
    <ListBox Name="MasterListBox" HorizontalAlignment="Stretch">
        <ListBox.ItemsPanel>
            <ItemsPanelTemplate>
                <StackPanel Orientation="Horizontal"/>
            </ItemsPanelTemplate>
        </ListBox.ItemsPanel>
        <ListBoxItem >
            <ListBox Name="Child1" Height="240">
                <ListBoxItem >
                    <Border Width="200" Background="Red" Height="40"></Border>
                </ListBoxItem>
                <ListBoxItem >
                    <Border Width="200" Background="Blue" Height="40"></Border>
                </ListBoxItem>
                <ListBoxItem >
                    <Border Width="200"  Background="Green" Height="40"></Border>
                </ListBoxItem>
            </ListBox>
        </ListBoxItem>
        <ListBoxItem >
            <ListBox Name="Child2" Height="240">
                <ListBoxItem >
                    <Border Width="200" Background="Yellow" Height="40"></Border>
                </ListBoxItem>
                <ListBoxItem >
                    <Border Width="200" Background="Green" Height="40"></Border>
                </ListBoxItem>
                <ListBoxItem >
                    <Border Width="200"  Background="Pink" Height="40"></Border>
                </ListBoxItem>
            </ListBox>
        </ListBoxItem>
        <ListBoxItem >
            <ListBox Name="Child3" Height="240">
                <ListBoxItem >
                    <Border Width="200" Background="Aqua" Height="40"></Border>
                </ListBoxItem>
                <ListBoxItem >
                    <Border Width="200" Background="Beige" Height="40"></Border>
                </ListBoxItem>
                <ListBoxItem >
                    <Border Width="200"  Background="Brown" Height="40"></Border>
                </ListBoxItem>
            </ListBox>
        </ListBoxItem>
    </ListBox>
</Grid>

wndSave oWindow = null;

void oOrg_Save(object sender, SaveEventArgs e)
{
    this.isEnabled = false; //Disable main window
    this.Dispatcher.Invoke(new DispatcherOperationCallBack((param)=>
    {
       oWindow = new wndSave();  // Open splash in new thread (works)
       ...
       System.Threading.Thread oThread = new Thread(updWindow); //Thread for slow operation
       oThread.Start();
       wndSave.ShowDialog(); //This works, but the window remains blocked
       return null;
    }), DispatcherPriority.BackGround, new object[] { null });
}

//The callback method for saving thread
void updWindow()
{
    oWindow.Dispatcher.Invoke(new DispatcherOperationCallBack((param)=>
    { 
      foreach(myModel oModel in myView.Models)
      { 
        //Inserted a new thread here for the save and then updating the progress bar
        
       System.Threading.ParameterizedThreadStart oStart = new ParameterizedThreadStart(mySave); //Thread for slow operation
       System.Threading.Thread oNewThread = new Thread(oStart);
       oNewThread.Start(oModel);
       Action showMethod = new delegate()
       {
           oWindow.UpdateProgress();  //Updates the progressbar. In debug works, but the UI does nothing
       }
     }
     return null;
    }), DispatcherPriority.BackGround, new object[] { null });
}

//Called from oNewThread
void mySave(object State)
{
  myModel oModel = (MyModel)State;
  myModel.Save();
}

Style s = new Style();
s.TargetType = class where inherit from baseclass

Style s = new Style();
s.TargetType = class which implements given interface

abstract class DDItem<T,Q>
{
  public T Identifier {get;set;}
  public Q DisplayableContent {get;set;}
}

<ListBox>
 <ListBox.Ressources>
  <Style TargetType={x:Type local:DDItem}> /*Doesn't work like that*/
   <EventSetter Event="MouseLeftButtonDown" Handler="Drag"/>
  </Style>
 </ListBox.Ressources>
</ListBox>