如何在WPF应用程序中使用Invoke

2025年03月12日 20:14
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WinForms

private delegate void UpdateUiTextDelegate(Control control, string text);
private void UpdateUiText(Control control, string text)
{
if(InvokeRequired)
{
Invoke(new UpdateUiTextDelegate(UpdateUiText), new object[] {control, text});
return;
}
control.Text = text;
}

WPF

private void UpdateUiText(Control control, string text)
{
if(!Dispatcher.CheckAccess())
{
Dispatcher.Invoke(DispatcherPriority.Send, new UpdateUiTextDelegate(UpdateUiText), control, text);
return;
}
control.Text = text;
}