wpf TabControl TabItem 被点击信息

  <TabItem>
                            <TabItem.Header>
                                <Label Content="账户信息" HorizontalAlignment="Stretch" MouseLeftButtonUp="TabItemHeader_ClientInfo_MouseLeftButtonUp" />
                            </TabItem.Header>
                            <DataGrid x:Name="datagridClientInfo" CanUserAddRows="False" AutoGenerateColumns="False">
                                <DataGrid.Columns>
                                    <DataGridTextColumn Header="用户名"  Binding="{Binding ClientName}"/>
                                    <DataGridTextColumn Header="上日结存" Binding="{Binding 上日结存}"/>
                                    <DataGridTextColumn Header="买入冻结" Binding="{Binding 买入冻结}"/>
                                    <DataGridTextColumn Header="卖出冻结" Binding="{Binding 卖出冻结}"/>
                                    <DataGridTextColumn Header="买入保证金" Binding="{Binding 买入保证金}">
                                        <DataGridTextColumn.CellStyle>
                                            <Style TargetType="{x:Type DataGridCell}">
                                                <Setter Property="Background" Value="Tomato"/>
                                            </Style>
                                        </DataGridTextColumn.CellStyle>
                                    </DataGridTextColumn>
                                    <DataGridTextColumn Header="卖出保证金" Binding="{Binding 卖出保证金}">
                                        <DataGridTextColumn.CellStyle>
                                            <Style TargetType="{x:Type DataGridCell}">
                                                <Setter Property="Background" Value="PaleGreen"/>
                                            </Style>
                                        </DataGridTextColumn.CellStyle>
                                    </DataGridTextColumn>
                                    <DataGridTextColumn Header="盈利" Binding="{Binding 盈利}"/>
                                    <DataGridTextColumn Header="亏损" Binding="{Binding 亏损}"/>
                                    <DataGridTextColumn Header="可用资金" Binding="{Binding 可用资金}"/>
                                    <DataGridTextColumn Header="动态权益" Binding="{Binding 动态权益}">
                                        <DataGridTextColumn.CellStyle>
                                            <Style TargetType="{x:Type DataGridCell}">
                                                <Setter Property="Background" Value="{Binding 动态权益, Converter={StaticResource PositiveNegativeColorConver}}"/>
                                            </Style>
                                        </DataGridTextColumn.CellStyle>
                                    </DataGridTextColumn>
                                    <DataGridTextColumn Header="动态风险" Binding="{Binding 动态风险}"/>
                                    <DataGridTextColumn Header="风险级别" Binding="{Binding 风险级别}"/>
                                    <DataGridTextColumn Header="手续费" Binding="{Binding 手续费}"/>
                                    <DataGridTextColumn Header="浮动盈亏" Binding="{Binding 浮动盈亏}"/>
                                    <DataGridTextColumn Header="平仓盈亏" Binding="{Binding 平仓盈亏}"/>
                                    <DataGridTextColumn Header="当日出入金" Binding="{Binding 当日出入金}"/>
                                    <DataGridTextColumn Header="总保证金" Binding="{Binding 总保证金}"/>
                                    <DataGridTextColumn Header="质押金额" Binding="{Binding 质押金额}"/>
                                    <DataGridTextColumn Header="动态风险" Binding="{Binding 动态风险}"/>
                                    <DataGridTextColumn Header="交易所风险度" Binding="{Binding 交易所风险度}" Width="*"/>
                                </DataGrid.Columns>
                            </DataGrid>
                        </TabItem>

1.直接没有消息的， 可以在 TabItem.Header中加一个Label, 让Label绑定OnClick消息， 就能实现TabItem被点击消息