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    copied!<p>I used a simple dialog with a static method <strong>ShowCustomButtonsDialog</strong>. I placed a text label in the top left corner and changed border style to Dialog. Method simply returns button index or -1.</p> <pre><code>public partial class CustomButtonsDialog : Form { private const int ButtonHeight = 24; private const int ButtonPadding = 6; private const int ButtonInnerPadding = 5; private const int MaxFormWidth = 700; private int buttonIndex = -1; public int ButtonIndex { get { return buttonIndex; } private set { buttonIndex = value; } } public static int ShowCustomButtonsDialog(string text, string title, params string[] buttonsText) { var dlg = new CustomButtonsDialog(text, title, buttonsText.ToList()); dlg.ShowDialog(); return dlg.ButtonIndex; } public static int ShowCustomButtonsDialog(string text, string title, List&lt;string&gt; buttonsText) { var dlg = new CustomButtonsDialog(text, title, buttonsText); dlg.ShowDialog(); return dlg.ButtonIndex; } public CustomButtonsDialog() { InitializeComponent(); } private CustomButtonsDialog(string text, string title, List&lt;string&gt; buttonsText) { InitializeComponent(); Text = title; labelText.Text = text; // добавить кнопки var formWidth = ClientSize.Width; List&lt;int&gt; buttonWidths; using (var gr = CreateGraphics()) { buttonWidths = buttonsText.Select(b =&gt; (int)gr.MeasureString(b, Font).Width + 2 * ButtonInnerPadding).ToList(); } var totalButtonWd = buttonWidths.Sum() + (buttonWidths.Count - 1) * ButtonPadding; if (totalButtonWd &gt; formWidth) { if (totalButtonWd &lt;= MaxFormWidth) Width = Width - ClientSize.Width + totalButtonWd + ButtonPadding * 2; else {// trim some buttons Width = Width - ClientSize.Width + MaxFormWidth; totalButtonWd = ClientSize.Width - ButtonPadding * 2; var avgWidth = (totalButtonWd - (buttonsText.Count - 1) * ButtonPadding) / buttonsText.Count; var sumThins = buttonWidths.Sum(w =&gt; w &lt;= avgWidth ? w : 0); var countThins = buttonWidths.Count(w =&gt; w &lt;= avgWidth); var countFat = buttonsText.Count - countThins; var spareRoom = totalButtonWd - sumThins; var fatWidth = (countThins == 0) || (countFat == 0) ? avgWidth : (spareRoom - (countThins - 1)*ButtonPadding)/countFat; for (var i = 0; i &lt; buttonWidths.Count; i++) if (buttonWidths[i] &gt; avgWidth) buttonWidths[i] = fatWidth; } } // buttons' Y-coords and height labelText.MaximumSize = new Size(totalButtonWd, labelText.MaximumSize.Height); var buttonTop = labelText.Bottom + ButtonPadding; var formHeight = buttonTop + ButtonHeight + ButtonPadding; Height = Height - ClientSize.Height + formHeight; // do make buttons var buttonLeft = ButtonPadding; var tag = 0; for (var i = 0; i &lt; buttonWidths.Count; i++) { var button = new Button { Parent = this, Width = buttonWidths[i], Height = ButtonHeight, Left = buttonLeft, Top = buttonTop, Text = buttonsText[i], Tag = tag++ }; button.Click += ButtonClick; buttonLeft = button.Right + ButtonPadding; Controls.Add(button); } } private void ButtonClick(object sender, EventArgs e) { ButtonIndex = (int) ((Button) sender).Tag; Close(); } } </code></pre>
 

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