IsEditable：把 ComboBox变成一个文本框；

IsReadOnly：决定文本框是否可以编辑；

只有 IsEditable为 true 时，IsReadOnly 才起作用。

 

 

<ComboBox>

            <!--Item #1-->

            <StackPanel Orientation="Horizontal" Margin="5">

                <Image Source="/Pictures/1.jpg"></Image>

                <StackPanel Width="200">

                    <TextBlock Margin="5,0" FontSize="14" FontWeight="Bold" VerticalAlignment="Center">

                        Curtain Call

                    </TextBlock>

                    <TextBlock Margin="5" VerticalAlignment="Center" TextWrapping="Wrap">

                        Whimsical,with a red curtain background that represents a stage.

                    </TextBlock>

                </StackPanel>

            </StackPanel>

            <!--Item #2-->

           <StackPanel Orientation="Horizontal" Margin="5">

                <Image Source="/Pictures/2.jpg" />

                <StackPanel Width="200">

                    <TextBlock Margin="5,0" FontSize="14" FontWeight="Bold" VerticalAlignment="Center">

                        Fireworks

                    </TextBlock>

                    <TextBlock Margin="5" VerticalAlignment="Center" TextWrapping="Wrap">

                        Sleek,with a black sky containing firworks.When you need to celebrate PowerPoint style,this design is for you!

                    </TextBlock>

                </StackPanel>

            </StackPanel>

        </ComboBox>

SelectionChanged事件有 AddedItems 包含新的选择 RemovedItems包含老的选择。

 

Void ComboBox_SelectionChanged(Object sender,SelectionChangedEventArgs e)

{

If(e.AddedItems.Count>0)

{

 

}

}