Dispatcher.Invoke() wpf
本文关键字:wpf Invoke Dispatcher | 更新日期: 2023-09-27 18:26:51
我得到了以下窗口表单:
if (richTextBoxReceive.InvokeRequired)
{
richTextBoxReceive.Invoke(new MethodInvoker(()=>
richTextBoxReceive.AppendText(string.Format("{0}'n'r", msg))));
}
else
{
richTextBoxReceive.AppendText(string.Format("{0}'n'r", msg));
}
i am using this code in WPF aplication and when i replace whit
if (richTextBoxReceive.Dispatcher.CheckAccess())
{
richTextBoxReceive.Dispatcher.Invoke(new MethodInvoker(()=>
richTextBoxReceive.AppendText(string.Format("{0}'n'r", msg))));
}
else
{
richTextBoxReceive.AppendText(string.Format("{0}'n'r", msg));
}
我得到3个错误:
1) 错误:WpfApplication1.MethodInvoker不包含接受1个参数的构造函数
2) 错误:参数1:无法从'WpfApplication1.MethodInvoker转换为System.Delegate
3) 错误:与System.Windows.Threading.Dispatcher.Invoke(System.Delegate,params object[])匹配的最佳重载方法具有一些无效参数
我是WPF的新手。。。我希望我没有提出任何愚蠢的问题,如果你能解决我的问题,请帮帮我非常感谢!
richTextBoxReceive.Dispatcher.Invoke((Action)(()=> ...));