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    copied!<p>I just implemented a simple form with a scrollable multiline TextBox, when I needed something similar to show long status reports or exceptions caught by the application. You can alter borders, etc. to make it look more like a label, if you wish. Then just new one up and call its ShowDialog method, or wrap its instantiation in some static member similar to MessageBox. Far as I know, the .NET team hasn't built in anything more flexible than MessageBox.</p> <p>EDIT FROM COMMENT:</p> <p>The code to make a window with a textbox that can be shown using a static method is fairly simple. While I generally don't like overt requests for code, I'll oblige this time:</p> <pre><code>public class SimpleReportViewer : Form { /// &lt;summary&gt; /// Initializes a new instance of the &lt;see cref="SimpleReportViewer"/&gt; class. /// &lt;/summary&gt; //You can remove this constructor if you don't want to use the IDE forms designer to tweak its layout. public SimpleReportViewer() { InitializeComponent(); if(!DesignMode) throw new InvalidOperationException("Default constructor is for designer use only. Use static methods instead."); } private SimpleReportViewer(string reportText) { InitializeComponent(); txtReportContents.Text = reportText; } private SimpleReportViewer(string reportText, string reportTitle) { InitializeComponent(); txtReportContents.Text = reportText; Text = "Report Viewer: {0}".FormatWith(reportTitle); } /// &lt;summary&gt; /// Shows a SimpleReportViewer with the specified text and title. /// &lt;/summary&gt; /// &lt;param name="reportText"&gt;The report text.&lt;/param&gt; /// &lt;param name="reportTitle"&gt;The report title.&lt;/param&gt; public static void Show(string reportText, string reportTitle) { new SimpleReportViewer(reportText, reportTitle).Show(); } /// &lt;summary&gt; /// Shows a SimpleReportViewer with the specified text, title, and parent form. /// &lt;/summary&gt; /// &lt;param name="reportText"&gt;The report text.&lt;/param&gt; /// &lt;param name="reportTitle"&gt;The report title.&lt;/param&gt; /// &lt;param name="owner"&gt;The owner.&lt;/param&gt; public static void Show(string reportText, string reportTitle, Form owner) { new SimpleReportViewer(reportText, reportTitle).Show(owner); } /// &lt;summary&gt; /// Shows a SimpleReportViewer with the specified text, title, and parent form as a modal dialog that prevents focus transfer. /// &lt;/summary&gt; /// &lt;param name="reportText"&gt;The report text.&lt;/param&gt; /// &lt;param name="reportTitle"&gt;The report title.&lt;/param&gt; /// &lt;param name="owner"&gt;The owner.&lt;/param&gt; public static void ShowDialog(string reportText, string reportTitle, Form owner) { new SimpleReportViewer(reportText, reportTitle).ShowDialog(owner); } /// &lt;summary&gt; /// Shows a SimpleReportViewer with the specified text and the default window title. /// &lt;/summary&gt; /// &lt;param name="reportText"&gt;The report text.&lt;/param&gt; public static void Show(string reportText) { new SimpleReportViewer(reportText).Show(); } /// &lt;summary&gt; /// Shows a SimpleReportViewer with the specified text, the default window title, and the specified parent form. /// &lt;/summary&gt; /// &lt;param name="reportText"&gt;The report text.&lt;/param&gt; /// &lt;param name="owner"&gt;The owner.&lt;/param&gt; public static void Show(string reportText, Form owner) { new SimpleReportViewer(reportText).Show(owner); } /// &lt;summary&gt; /// Required designer variable. /// &lt;/summary&gt; private System.ComponentModel.IContainer components = null; /// &lt;summary&gt; /// Clean up any resources being used. /// &lt;/summary&gt; /// &lt;param name="disposing"&gt;true if managed resources should be disposed; otherwise, false.&lt;/param&gt; protected override void Dispose(bool disposing) { if (disposing &amp;&amp; (components != null)) { components.Dispose(); } base.Dispose(disposing); } #region Windows Form Designer generated code /// &lt;summary&gt; /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// &lt;/summary&gt; private void InitializeComponent() { System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(SimpleReportViewer)); this.txtReportContents = new System.Windows.Forms.TextBox(); this.SuspendLayout(); // // txtReportContents // this.txtReportContents.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) | System.Windows.Forms.AnchorStyles.Left) | System.Windows.Forms.AnchorStyles.Right))); this.txtReportContents.Location = new System.Drawing.Point(13, 13); this.txtReportContents.Multiline = true; this.txtReportContents.Name = "txtReportContents"; this.txtReportContents.ReadOnly = true; this.txtReportContents.ScrollBars = System.Windows.Forms.ScrollBars.Both; this.txtReportContents.Size = new System.Drawing.Size(383, 227); this.txtReportContents.TabIndex = 0; // // SimpleReportViewer // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.ClientSize = new System.Drawing.Size(408, 252); this.Controls.Add(this.txtReportContents); this.Icon = Properties.Resources.some_icon; this.Name = "SimpleReportViewer"; this.SizeGripStyle = System.Windows.Forms.SizeGripStyle.Show; this.Text = "Report Viewer"; this.ResumeLayout(false); this.PerformLayout(); } #endregion private TextBox txtReportContents; } </code></pre> <p>Usage:</p> <pre><code>var message = GetSomeRidiculouslyLongMessage(); //assumes it's called from inside another Form SimpleReportViewer.ShowDialog(message, "My Message", this); </code></pre> <p>This particular implementation also supports displaying as an ordinary, non-dialog window using overloads of the Show() method.</p>
 

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