[英]Dispatcher.Invoke() wpf
我得到以下Windows表格来:
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));
}
即时通讯收到3个错误:
1)错误:WpfApplication1.MethodInvoker不包含带有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:System.Windows.Threading.Dispatcher.Invoke(System.Delegate,params object [])的最佳重载方法匹配具有一些无效的参数
我是WPF的新手...我希望我没有提出任何愚蠢的问题,如果您能解决我的问题,请帮助我,非常感谢!
richTextBoxReceive.Dispatcher.Invoke((Action)(()=> ...));
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