功能描述:
a,主界面中创建一个“animal”按钮
b,子界面“Animals”中创建cat和dog两个按钮
c,创建一个类“Parmeter”存放变量Flag
d,当点击子界面中的按钮时,将点击状态存放变量Flag中,并传递到主界面的后台代码中,在主程序中触发相应的事件。
1,主界面Xaml代码
<Grid>
<StackPanel>
<Button Name="ani" Height="50" Width="200" Margin="30" FontSize="18" Click="ani_Click">animal</Button>
</StackPanel>
</Grid>
主界面后台程序:
Parmeter par = new Parmeter();
private void ani_Click(object sender, RoutedEventArgs e)
{
Animals animals = new Animals();
animals.ShowDialog();
if(animals.DialogResult==true)
{
par.Flag = animals.par.Flag;
if (par.Flag == 1) { MessageBox.Show("喵喵喵"); }
if(par.Flag==2) { MessageBox.Show("汪汪汪"); }
}
}
2,子界面Xaml代码:
<Grid>
<StackPanel>
<Button Name="mao" FontSize="18" Width="100" Height="50" Margin="20" VerticalAlignment="Top" Click="mao_Click">cat</Button>
<Button Name="gou" FontSize="18" Width="100" Height="50" Margin="20" VerticalAlignment="Top" Click="gou_Click">dog</Button>
</StackPanel>
</Grid>
子界面后台程序:
public Parmeter par = new Parmeter();
private void mao_Click(object sender, RoutedEventArgs e)
{
//Flag=1标记为cat按钮被点击了
par.Flag = 1;
DialogResult = true;
this.Close();
}
private void gou_Click(object sender, RoutedEventArgs e)
{
//Flag=1标记为dog按钮被点击了
par.Flag = 2;
DialogResult = true;
this.Close();
}
3,创建类Parmeter存放变量Flag
public class Parmeter
{
public int Flag { get; set; }
}