我有一個選項卡控件包含兩個選項卡,其中一個顯示正在運行的進程的消息,另一個顯示我的網頁!在一個按鈕中綁定兩個命令WPF/MVVM
我有三個按鈕(開始,停止和清除) 當我按開始進程運行和消息顯示。
我需要的是我按下開始按鈕,這兩個選項卡都顯示我所需的內容。這意味着我需要兩個綁定兩個命令到同一個按鈕
你知道如何綁定1按鈕的兩個命令?
我使用的是MVVM,而我是MVVM中的新手。
<Button Content="Start" Command="{Binding StartProcess_Command }" Height="25" Width="60" Grid.Row="0" Grid.Column="0" Margin="10"/>
<Button Content="Stop" Command="{Binding StopProcess_Command}" Height="25" Width="60" Grid.Row="0" Grid.Column="1" Margin="10"/>
<Button Content="Clear" Command="{Binding ClearBtn_Command}" Height="25" Width="60" Grid.Row="0" Grid.Column="2" Margin="10"/>
<telerik:RadTabControl HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Grid.Row="1" Grid.ColumnSpan="4" Margin="10">
<telerik:RadTabItem Header="Maestro" IsSelected="{Binding Path=MaestroSelected}">
<ScrollViewer VerticalScrollBarVisibility="Visible" HorizontalScrollBarVisibility="Visible">
<local:WPFBrowser/>
</ScrollViewer>
</telerik:RadTabItem>
<telerik:RadTabItem Header="Messages">
<Grid Background="LightGray">
<ScrollViewer VerticalScrollBarVisibility="Visible" HorizontalScrollBarVisibility="Visible">
<TextBlock TextWrapping="Wrap" Text="{Binding Path=output_process,UpdateSourceTrigger=Default}"/>
</ScrollViewer>
</Grid>
</telerik:RadTabItem>
</telerik:RadTabControl >
這是WPFBrowser.cs代碼:
public WPFBrowser()
{
ServerString = "localhost"; //defualt value
PortString = "9999"; //default value
this.refreshCommand = new Lunch_Maestro.ViewModel.Command(DoRefreshCommand);
m_WPFBrowser = new WebBrowser()
{
HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch,
VerticalAlignment = System.Windows.VerticalAlignment.Stretch
};
m_WPFBrowser.Navigated += WPFBrowser_Navigated;
this.Content = m_WPFBrowser;
}
private void WPFBrowser_Navigated(object sender, System.Windows.Navigation.NavigationEventArgs e)
{
this.HideScriptErrors(m_WPFBrowser, true);
}
/// <summary>
/// Found this link with interesting scenerios for script erros...
/// http://social.msdn.microsoft.com/Forums/vstudio/en-US/4f686de1-8884-4a8d-8ec5-ae4eff8ce6db/new-wpf-webbrowser-how-do-i-suppress-script-errors?forum=wpf
/// </summary>
public void HideScriptErrors(WebBrowser wb, bool Hide)
{
FieldInfo fiComWebBrowser = typeof(WebBrowser).GetField("_axIWebBrowser2", BindingFlags.Instance | BindingFlags.NonPublic);
if (fiComWebBrowser == null) return;
object objComWebBrowser = fiComWebBrowser.GetValue(wb);
if (objComWebBrowser == null) return;
objComWebBrowser.GetType().InvokeMember("Silent", BindingFlags.SetProperty, null, objComWebBrowser, new object[] { Hide });
}
private void DoRefreshCommand()
{
m_WPFBrowser.Navigate(new Uri("http://" + ServerString + ":" + PortString + "/"));
}
private bool _maestroSelected;
public bool MaestroSelected
{
get { return _maestroSelected; }
set
{
_maestroSelected = value;
if (_maestroSelected == true)
m_WPFBrowser.Navigate(new Uri("http://" + ServerString + ":" + PortString + "/"));
OnPropertyChanged("MaestroSelected");
}
}
private readonly WebBrowser m_WPFBrowser;
private string _serverString;
public string ServerString
{
get { return _serverString; }
set
{
_serverString = value;
OnPropertyChanged("ServerString");
}
}
private string _portString;
public string PortString
{
get { return _portString; }
set
{
_portString = value;
OnPropertyChanged("PortString");
}
}
private Lunch_Maestro.ViewModel.Command refreshCommand;
public Lunch_Maestro.ViewModel.Command RefreshCommand
{
get { return refreshCommand; }
}
// and Inotify property changes here