C#

string s = "1234";

foreach ( char ch in s ) {
   Console.WriteLine( $"{ch}: {( ch % 2 == 0 ? "even" : "odd" )}" );
}

Console.ReadKey();

List<IntPtr> allChildWindows = new WindowHandleInfo(parentMainWindowHandle).GetAllChildHandles();
for (int i = 0; i < allChildWindows.Count; i++)
{
    StringBuilder sb2 = new StringBuilder(1024);
    GetClassName(allChildWindows[i], sb2, sb2.Capacity);
    sb2 = new StringBuilder(1024);
    GetWindowText(allChildWindows[i], sb2, sb2.Capacity);
    Debug.WriteLine(sb2.ToString());
}

	Window 000C0678 "C:\DummyRepo - Switch/Checkout - TortoiseGit" #32770 (Dialog)
		Window 000B0670 "" ScrollBar
		Window 00070482 "Switch To" Button
		Window 001D065E "&Branch" Button
		Window 000B01AE "" ComboBoxEx32
			Window 0004036E "ⴀ辘ȡ" ComboBox
		Window 0017069A "..." Button
		Window 001303D2 "&Tag" Button
		Window 000B04DE "" ComboBoxEx32
			Window 001105D4 "" ComboBox
		Window 00190620 "&Commit" Button
		Window 000F06D8 "c288b35fcabf74c51270fff36db3387517beda53" ComboBoxEx32
			Window 001406CE "Ɒ辘ȡ" ComboBox
				Window 001005CE "c288b35fcabf74c51270fff36db3387517beda53" Edit
		Window 00220458 "..." Button
		Window 00170604 "Option" Button
		Window 000E0684 "Create &New Branch" Button
		Window 002503EA "Branch_c288b35f" Edit
		Window 00390628 "Overwrite working tree changes (&force)" Button
		Window 004404EE "&Merge" Button
		Window 00300666 "T&rack" Button
		Window 0040045C "&Override branch if exists" Button
		Window 001404DC "OK" Button
		Window 0008025E "Cancel" Button
		Window 00220396 "Help" Button
	Window 00040616 "C:\DummyRepo - Log Messages - TortoiseGit" #32770 (Dialog)
		Window 000D04E6 "" Static
		Window 002A0602 "" Static
		Window 00040622 "master" Static
		Window 002204CA "From:" Static
		Window 001104C2 "2020-07-31" SysDateTimePick32
		Window 001904A4 "To:" Static
		Window 001A0496 "2020-07-31" SysDateTimePick32
		Window 000F0560 "" Edit
		Window 00080638 "Author Email" ComboBox
		Window 000F01F2 "" Button
		Window 001904B0 "" Button
		Window 00190498 "" SysListView32
			Window 00150422 "" SysHeader32
		Window 00350426 "SHA-1: c288b35fcabf74c51270fff36db3387517beda53

* 1
" RICHEDIT50W
		Window 005B04E4 "" Static
		Window 001104F0 "" SysListView32
			Window 0013045E "" SysHeader32
		Window 004A06CA "Showing 2 revision(s), from revision c288b35f to revision b7a040a4 - 1 revision(s) selected, 0 file(s) selected; line: 1(+) 0(-) files: modified = 0 added = 1 deleted = 0 replaced = 0" Edit
		Window 0017060A "Show &Whole Project" Button
		Window 001705FC "&All Branches" Button
		Window 00290424 "" Edit
		Window 00460660 "Help" Button
		Window 0019048C "Refresh" Button
		Window 004A065C "S&tatistics" Button
		Window 000D036A "Walk Be&haviour" Button
		Window 00160492 "&View" Button
		Window 0016048E "OK" Button
		Window 004B069E "OK" Button
		Window 0024064A "" msctls_progress32
		Window 0004061A "" ScrollBar

arnold_w wrote:

Window 000C0678 "C:\DummyRepo - Switch/Checkout - TortoiseGit" #32770 (Dialog)

Window 00040616 "C:\DummyRepo - Log Messages - TortoiseGit" #32770 (Dialog)

[DllImport("user32.dll", EntryPoint = "GetWindowText",
ExactSpelling = false, CharSet = CharSet.Auto, SetLastError = true)]
public static extern int GetWindowText(IntPtr hWnd, StringBuilder lpWindowText, int nMaxCount);

private bool checkWindow(IntPtr hWnd, IntPtr lp)
{
    // Checks if <hWnd> is a dialog
    StringBuilder sb = new StringBuilder(260);
    GetClassName(hWnd, sb, sb.Capacity);

    // My added code to log all window texts
    StringBuilder strbTitle = new StringBuilder(255);
    int nLength = GetWindowText(hWnd, strbTitle, strbTitle.Capacity + 1);
    string strTitle = strbTitle.ToString();
    Debug.WriteLine("The window text is: " + strTitle);

    if (sb.ToString() != "#32770")
    {
        return true;
    }
    return true;    // My modified code to check all windows

return true;    // My modified code to check all windows

Window 000C0678 "C:\DummyRepo - Switch/Checkout - TortoiseGit" #32770 (Dialog)

const uint WM_GETTEXT = 0x000D;
StringBuilder message = new StringBuilder(1000);
SendMessage(handle, WM_GETTEXT, message.Capacity, message);

public partial class Form1 : Form
{
    public Form1()
    {
        InitializeComponent();
        WindowWrapper parentForm = ProcessWindowsHelper.getHandleToAnotherProcessWindow("TortoiseGitProc", "Switch/Checkout");
        MessageBoxEx.Show(parentForm, "Hello on top of TortoiseGit Switch/Checkout dialog");
    }
}
public class ProcessWindowsHelper
{
    private delegate bool EnumThreadWndProc(IntPtr hWnd, IntPtr lp);
    [DllImport("user32.dll")]
    private static extern bool EnumThreadWindows(int tid, EnumThreadWndProc callback, IntPtr lp);
    [DllImport("user32.dll", CharSet = CharSet.Auto)]
    static extern IntPtr SendMessage(IntPtr hWnd, uint Msg, int wParam, StringBuilder lParam);
    delegate bool EnumThreadDelegate(IntPtr hWnd, IntPtr lParam);

    private const uint WM_GETTEXT = 0x000D;

    public static WindowWrapper getHandleToAnotherProcessWindow(string processName, string substringInAnotherProcessWindow)
    {
        Process myProcess = findProcessByName(processName);
        IEnumerable<IntPtr> allHandlesInMyProcess = EnumerateProcessWindowHandles(myProcess.Id);
        foreach (IntPtr handle in allHandlesInMyProcess)
        {
            StringBuilder message = new StringBuilder(1000);
            SendMessage(handle, WM_GETTEXT, message.Capacity, message);
            if (message.ToString().Contains(substringInAnotherProcessWindow))
            {
                Debug.WriteLine(message);
                return new WindowWrapper(handle);
            }
        }
        return null;
    }

    private static IEnumerable<IntPtr> EnumerateProcessWindowHandles(int processId)
    {
        List<IntPtr> handles = new List<IntPtr>();
        ProcessThreadCollection processThreadCollection = Process.GetProcessById(processId).Threads;
        for (int i = 0; i < processThreadCollection.Count; i++)
        {
            ProcessThread thread;
            thread = processThreadCollection[i];
            EnumThreadWindows(thread.Id, 
                delegate(IntPtr hWnd, IntPtr lParam)
                {
                    handles.Add(hWnd);
                    return true;
                }, 
                IntPtr.Zero);
        }
        return handles;
    }

    private static Process findProcessByName(string processName)
    {
        Process[] allProcesses = Process.GetProcesses();
        for (int j = 0; j < allProcesses.Length; j++)
        {
            if (allProcesses[j].ProcessName.Equals(processName))
            {
                return allProcesses[j];
            }
        }
        return null;
    }
}


public class WindowWrapper : IWin32Window
{
    public WindowWrapper(IntPtr handle)
    {
        _hwnd = handle;
    }

    public IntPtr Handle
    {
        get { return _hwnd; }
    }

    private IntPtr _hwnd;
}