using LoginPI.Engine.ScriptBase;
using System;
using System.Runtime.InteropServices;
public class getSetClipboardText : ScriptBase {
    private void Execute() {
        /*
		-Disclaimer: This workload is provided as-is and might need further configuration and customization to work successfully in each unique environment. For further Professional Services-based customization please consult with the Login VSI Support and Services team. Please refer to the Help Center section "Application Customization" for further self-help information regarding workload crafting and implementation.
		-Run the workload against the "target" using Script Editor to ensure it will work before uploading it and testing with it
		-If needed, configure the Set global variables section of this workload
		-Go through the workload to understand what it's doing. Comment out any unneeded app tests (code blocks) or add on any needed functional testing
		-This workload will: retrieve or set the current clipboard text
		-Workload version and changelist:
		--V1.0 | original		
		-Leave Application running compatibility: false
		*/
		
		//Output current clipboard text to log
        Log(GetClipboard());
        
        //Set clipboard text
        SetClipboard("testing 123");

        //Output current clipboard text to log
        Log(GetClipboard());
    }

    [DllImport("user32.dll")]
    static extern IntPtr GetClipboardData(uint uFormat);
    [DllImport("user32.dll")]
    static extern bool IsClipboardFormatAvailable(uint format);
    [DllImport("user32.dll", SetLastError = true)]
    static extern bool OpenClipboard(IntPtr hWndNewOwner);
    [DllImport("user32.dll", SetLastError = true)]
    static extern bool CloseClipboard();
    [DllImport("kernel32.dll")]
    static extern IntPtr GlobalLock(IntPtr hMem);
    [DllImport("kernel32.dll")]
    static extern bool GlobalUnlock(IntPtr hMem);
    [DllImport("user32.dll", SetLastError = true)]
    static extern IntPtr SetClipboardData(uint uFormat, IntPtr data);
    [DllImport("user32.dll")]
    static extern bool EmptyClipboard();
    const uint CF_UNICODETEXT = 13;

    static string GetClipboard()
    {
        if (!IsClipboardFormatAvailable(CF_UNICODETEXT))
            return "";
        if (!OpenClipboard(IntPtr.Zero))
            return "";

        string data = "";
        var hGlobal = GetClipboardData(CF_UNICODETEXT);
        if (hGlobal != IntPtr.Zero)
        {
            var lpwcstr = GlobalLock(hGlobal);
            if (lpwcstr != IntPtr.Zero)
            {
                data = Marshal.PtrToStringUni(lpwcstr);
                GlobalUnlock(lpwcstr);
            }
        }
        CloseClipboard();
        return data;
    }

    static void SetClipboard(string text)
    {
        OpenClipboard(IntPtr.Zero);
        var ptr = Marshal.StringToHGlobalUni(text);
        SetClipboardData(13, ptr);
        CloseClipboard();
    }
}