AIKKEY_WPFWin7/AIK.Views/Utils/SafeClipboard.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;

namespace AIK.Views.Utils
{
    public static class SafeClipboard
    {
        public static async Task<bool> SetTextAsync(string text, int maxRetries = 3, int delayMs = 10)
        {
            if (string.IsNullOrEmpty(text))
                return false;

            if (Application.Current?.Dispatcher.CheckAccess() == false)
            {
                return await SetTextInternal(text, maxRetries, delayMs);
            }
            else
            {
                return await SetTextInternal(text, maxRetries, delayMs);
            }
        }

        private static async Task<bool> SetTextInternal(string text, int maxRetries, int delayMs)
        {
            for (int i = 0; i < maxRetries; i++)
            {
                try
                {
                    Clipboard.SetText(text);
                    return true;
                }
                catch (System.Runtime.InteropServices.COMException ex) when (ex.ErrorCode == -2147221040)
                {
                    if (i == maxRetries - 1)
                        return false;
                    await Task.Delay(delayMs);
                }
            }
            return false;
        }
    }
}