wpf write to textbox from another thread code example
Example: how to invoke textbox from another task in c#
if (progressBar.InvokeRequired)
{
void Invoker()
{
progressBar.Properties.Maximum = count;
progressBar.PerformStep();
progressBar.Update();
}
progressBar.Invoke((MethodInvoker)Invoker);
}
else
{
progressBar.PerformStep();
progressBar.Update();
}
//////////////////////// or
//Update progress bar in separate task
progressBarControl.Invoke((Action) (() =>
progressBarControl.EditValue = 100));