public static Task <MessageBoxResult> ShowAsync(DialogHostControl host, string title, string text, MessageBoxButtons buttons)
{
var tcs = new TaskCompletionSource <MessageBoxResult>();
var msgbox = new MessageBoxControl();
msgbox.FindControl <TextBlock>("Text").Text = text;
var buttonPanel = msgbox.FindControl <StackPanel>("Buttons");
var res = MessageBoxResult.Ok;
void AddButton(string caption, MessageBoxResult r, bool def = false)
{
var btn = new Button {
Content = caption
};
btn.Click += (_, __) => {
res = r;
host.CloseDialog();
tcs.TrySetResult(res);
};
buttonPanel.Children.Add(btn);
if (def)
{
res = r;
}
}
switch (buttons)
{
case MessageBoxButtons.Ok:
case MessageBoxButtons.OkCancel:
AddButton("Ok", MessageBoxResult.Ok, true);
break;
case MessageBoxButtons.YesNo:
case MessageBoxButtons.YesNoCancel:
AddButton("Yes", MessageBoxResult.Yes, true);
AddButton("No", MessageBoxResult.No);
break;
}
if (buttons == MessageBoxButtons.OkCancel || buttons == MessageBoxButtons.YesNoCancel)
{
AddButton("Cancel", MessageBoxResult.Cancel, true);
}
host.ShowDialog(msgbox, title);
return(tcs.Task);
}
/// <inheritdoc />
public Task <MessageBoxResult> ShowAsync(string title, string message, MessageBoxButtons buttons)
{
return(MessageBoxControl.ShowAsync(_host, title, message, buttons));
}