C# WinForms InputDialogs (Generated by ChatGPT 4o)

InputDialogs.cs

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;

public static class InputDialogs
{
    public static double getDouble(out bool ok, string title, string label, double value = 0, double min = -2147483647, double max = 2147483647, int decimals = 1, double step = 1, IWin32Window parent = null)
    {
        double result = value;
        ok = false;

        using (Form form = new Form())
        {
            form.Text = title;
            form.StartPosition = FormStartPosition.CenterParent;
            form.Font = new Font(form.Font.FontFamily, 10);
            form.FormBorderStyle = FormBorderStyle.FixedDialog;
            form.MaximizeBox = false;
            form.MinimizeBox = false;
            form.ClientSize = new Size(300, 140);

            Label textLabel = new Label() { Text = label, Left = 10, Top = 10, AutoSize = true };
            NumericUpDown numericUpDown = new NumericUpDown()
            {
                Left = 10,
                Top = 40,
                Width = 260,
                DecimalPlaces = decimals,
                Minimum = (decimal)min,
                Maximum = (decimal)max,
                Value = (decimal)value,
                Increment = (decimal)step
            };

            Button confirmation = new Button() { Text = "OK", Left = 110, Width = 80, Top = 80, DialogResult = DialogResult.OK };
            Button cancel = new Button() { Text = "Cancel", Left = 200, Width = 80, Top = 80, DialogResult = DialogResult.Cancel };

            form.Controls.Add(textLabel);
            form.Controls.Add(numericUpDown);
            form.Controls.Add(confirmation);
            form.Controls.Add(cancel);

            form.AcceptButton = confirmation;
            form.CancelButton = cancel;

            if (form.ShowDialog(parent) == DialogResult.OK)
            {
                result = (double)numericUpDown.Value;
                ok = true;
            }
        }
        return result;
    }

    public static int getInt(out bool ok, string title, string label, int value = 0, int min = -2147483647, int max = 2147483647, int step = 1, IWin32Window parent = null)
    {
        int result = value;
        ok = false;

        using (Form form = new Form())
        {
            form.Text = title;
            form.StartPosition = FormStartPosition.CenterParent;
            form.Font = new Font(form.Font.FontFamily, 10);
            form.FormBorderStyle = FormBorderStyle.FixedDialog;
            form.MaximizeBox = false;
            form.MinimizeBox = false;
            form.ClientSize = new Size(300, 140);

            Label textLabel = new Label() { Text = label, Left = 10, Top = 10, AutoSize = true };
            NumericUpDown numericUpDown = new NumericUpDown()
            {
                Left = 10,
                Top = 40,
                Width = 260,
                Minimum = min,
                Maximum = max,
                Value = value,
                Increment = step
            };

            Button confirmation = new Button() { Text = "OK", Left = 110, Width = 80, Top = 80, DialogResult = DialogResult.OK };
            Button cancel = new Button() { Text = "Cancel", Left = 200, Width = 80, Top = 80, DialogResult = DialogResult.Cancel };

            form.Controls.Add(textLabel);
            form.Controls.Add(numericUpDown);
            form.Controls.Add(confirmation);
            form.Controls.Add(cancel);

            form.AcceptButton = confirmation;
            form.CancelButton = cancel;

            if (form.ShowDialog(parent) == DialogResult.OK)
            {
                result = (int)numericUpDown.Value;
                ok = true;
            }
        }
        return result;
    }

    public static string getItem(out bool ok, string title, string label, List<string> items, int current = 0, bool editable = true, IWin32Window parent = null)
    {
        string result = items.Count > 0 ? items[current] : string.Empty;
        ok = false;

        using (Form form = new Form())
        {
            form.Text = title;
            form.StartPosition = FormStartPosition.CenterParent;
            form.Font = new Font(form.Font.FontFamily, 10);
            form.FormBorderStyle = FormBorderStyle.FixedDialog;
            form.MaximizeBox = false;
            form.MinimizeBox = false;
            form.ClientSize = new Size(300, 140);

            Label textLabel = new Label() { Text = label, Left = 10, Top = 10, AutoSize = true };
            ComboBox comboBox = new ComboBox()
            {
                Left = 10,
                Top = 40,
                Width = 260,
                DropDownStyle = editable ? ComboBoxStyle.DropDown : ComboBoxStyle.DropDownList
            };
            comboBox.Items.AddRange(items.ToArray());
            comboBox.SelectedIndex = current;

            Button confirmation = new Button() { Text = "OK", Left = 110, Width = 80, Top = 80, DialogResult = DialogResult.OK };
            Button cancel = new Button() { Text = "Cancel", Left = 200, Width = 80, Top = 80, DialogResult = DialogResult.Cancel };

            form.Controls.Add(textLabel);
            form.Controls.Add(comboBox);
            form.Controls.Add(confirmation);
            form.Controls.Add(cancel);

            form.AcceptButton = confirmation;
            form.CancelButton = cancel;

            if (form.ShowDialog(parent) == DialogResult.OK)
            {
                result = comboBox.Text;
                ok = true;
            }
        }
        return result;
    }

    public static string getMultiLineText(out bool ok, string title, string label, string text = "", IWin32Window parent = null)
    {
        string result = text;
        ok = false;

        using (Form form = new Form())
        {
            form.Text = title;
            form.StartPosition = FormStartPosition.CenterParent;
            form.Font = new Font(form.Font.FontFamily, 10);
            form.FormBorderStyle = FormBorderStyle.FixedDialog;
            form.MaximizeBox = false;
            form.MinimizeBox = false;
            form.ClientSize = new Size(450, 300);

            Label textLabel = new Label() { Text = label, Left = 10, Top = 10, AutoSize = true };
            TextBox textBox = new TextBox()
            {
                Left = 10,
                Top = 40,
                Width = 420,
                Height = 200,
                Multiline = true,
                Text = text,
                ScrollBars = ScrollBars.Both
            };

            Button confirmation = new Button() { Text = "OK", Left = 250, Width = 80, Top = 250, DialogResult = DialogResult.OK };
            Button cancel = new Button() { Text = "Cancel", Left = 350, Width = 80, Top = 250, DialogResult = DialogResult.Cancel };

            form.Controls.Add(textLabel);
            form.Controls.Add(textBox);
            form.Controls.Add(confirmation);
            form.Controls.Add(cancel);

            form.AcceptButton = confirmation;
            form.CancelButton = cancel;

            if (form.ShowDialog(parent) == DialogResult.OK)
            {
                result = textBox.Text;
                ok = true;
            }
        }
        return result;
    }

    public static string getText(out bool ok, string title, string label, char passwordChar = '\0', string text = "", ImeMode imeMode = ImeMode.NoControl, IWin32Window parent = null)
    {
        string result = text;
        ok = false;

        using (Form form = new Form())
        {
            form.Text = title;
            form.StartPosition = FormStartPosition.CenterParent;
            form.Font = new Font(form.Font.FontFamily, 10);
            form.FormBorderStyle = FormBorderStyle.FixedDialog;
            form.MaximizeBox = false;
            form.MinimizeBox = false;
            form.ClientSize = new Size(300, 140);

            Label textLabel = new Label() { Text = label, Left = 10, Top = 10, AutoSize = true };
            TextBox textBox = new TextBox()
            {
                Left = 10,
                Top = 40,
                Width = 260,
                Text = text,
                UseSystemPasswordChar = passwordChar != '\0',
                ImeMode = imeMode
            };

            Button confirmation = new Button() { Text = "OK", Left = 110, Width = 80, Top = 80, DialogResult = DialogResult.OK };
            Button cancel = new Button() { Text = "Cancel", Left = 200, Width = 80, Top = 80, DialogResult = DialogResult.Cancel };

            form.Controls.Add(textLabel);
            form.Controls.Add(textBox);
            form.Controls.Add(confirmation);
            form.Controls.Add(cancel);

            form.AcceptButton = confirmation;
            form.CancelButton = cancel;

            if (form.ShowDialog(parent) == DialogResult.OK)
            {
                result = textBox.Text;
                ok = true;
            }
        }
        return result;
    }
}