WinForms tabpage not repainting on form resize

/// visit http://stackoverflow.com/q/12338241/1488067
/// for more info

public class Form1 : Form
{
    /// <summary>
    /// Required designer variable.
    /// </summary>
    private System.ComponentModel.IContainer components = null;

    /// <summary>
    /// Clean up any resources being used.
    /// </summary>
    /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
    protected override void Dispose(bool disposing)
    {
        if (disposing && (components != null))
        {
            components.Dispose();
        }
        base.Dispose(disposing);
    }

    #region Windows Form Designer generated code

    /// <summary>
    /// Required method for Designer support - do not modify
    /// the contents of this method with the code editor.
    /// </summary>
    private void InitializeComponent()
    {
        this.tabControl1 = new System.Windows.Forms.TabControl();
        this.tabPage = new System.Windows.Forms.TabPage();
        this.textBox1 = new System.Windows.Forms.TextBox();
        this.label2 = new System.Windows.Forms.Label();
        this.tabControl1.SuspendLayout();
        this.tabPage.SuspendLayout();
        this.SuspendLayout();
        //
        // tabControl1
        //
        this.tabControl1.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.tabControl1.Controls.Add(this.tabPage);
        this.tabControl1.Location = new System.Drawing.Point(12, 37);
        this.tabControl1.Name = "tabControl1";
        this.tabControl1.SelectedIndex = 0;
        this.tabControl1.Size = new System.Drawing.Size(260, 213);
        this.tabControl1.TabIndex = 0;
        //
        // tabPage
        //
        this.tabPage.Controls.Add(this.label2);
        this.tabPage.Controls.Add(this.textBox1);
        this.tabPage.Location = new System.Drawing.Point(4, 22);
        this.tabPage.Name = "tabPage";
        this.tabPage.Padding = new System.Windows.Forms.Padding(3);
        this.tabPage.Size = new System.Drawing.Size(252, 187);
        this.tabPage.TabIndex = 0;
        this.tabPage.Text = "One tab";
        this.tabPage.UseVisualStyleBackColor = true;
        //
        // textBox1
        //
        this.textBox1.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.textBox1.Location = new System.Drawing.Point(17, 38);
        this.textBox1.Multiline = true;
        this.textBox1.Name = "textBox1";
        this.textBox1.Size = new System.Drawing.Size(216, 130);
        this.textBox1.TabIndex = 0;
        this.textBox1.Text = "This is a text box.";
        //
        // label2
        //
        this.label2.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
        | System.Windows.Forms.AnchorStyles.Right)));
        this.label2.Location = new System.Drawing.Point(14, 13);
        this.label2.Name = "label2";
        this.label2.Size = new System.Drawing.Size(219, 15);
        this.label2.TabIndex = 2;
        this.label2.Text = "Some other label";
        //
        // Form1
        //
        this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.ClientSize = new System.Drawing.Size(284, 262);
        this.Controls.Add(this.tabControl1);
        this.Name = "Form1";
        this.Text = "Test form";
        this.tabControl1.ResumeLayout(false);
        this.tabPage.ResumeLayout(false);
        this.tabPage.PerformLayout();
        this.ResumeLayout(false);
        this.PerformLayout();

    }

    #endregion

    private System.Windows.Forms.TabControl tabControl1;
    private System.Windows.Forms.TabPage tabPage;
    private System.Windows.Forms.Label label2;
    private System.Windows.Forms.TextBox textBox1;

    public Form1()
    {
        InitializeComponent();
    }
}