重写MenuStrip颜色方法

public partial class Form1 : Form
{
    public Form1()
    {
        InitializeComponent();
        menuStrip1.Renderer = new MenuItemRenderer();
    }

    private void item1ToolStripMenuItem_Click(object sender, EventArgs e)
    {
        MessageBox.Show("click item1");
    }
}

class MenuBarColor : ProfessionalColorTable
{
    // menu background
    Color ManuBarCommonColor = Color.Brown;
    Color SelectedHighlightColor = Color.BurlyWood;
    // all items border
    Color MenuBorderColor = Color.Chartreuse;
    // menu bo
    Color MenuItemBorderColor = Color.Coral;
    /// <summary> 
    /// Initialize a new instance of the Visual Studio MenuBarColor class. 
    /// </summary> 
    public MenuBarColor()
    {
    }
    public override Color MenuItemPressedGradientBegin
    {
        get
        {
            return ManuBarCommonColor;
        }
    }
    public override Color MenuItemPressedGradientEnd
    {
        get
        {
            return ManuBarCommonColor;
        }
    }
    public override Color MenuItemPressedGradientMiddle
    {
        get
        {
            return ManuBarCommonColor;
        }
    }
    public override Color ButtonSelectedHighlight
    {
        get
        {
            return ManuBarCommonColor;
        }
    }
    public override Color MenuItemSelectedGradientBegin
    {
        get
        {
            return ManuBarCommonColor;
        }
    }
    public override Color MenuItemSelectedGradientEnd
    {
        get
        {
            return ManuBarCommonColor;
        }
    }
    public override Color MenuBorder
    {
        get
        {
            return MenuBorderColor;
        }
    }
    public override Color MenuItemBorder
    {
        get
        {
            return MenuItemBorderColor;
        }
    }
}

class MenuItemRenderer : ToolStripProfessionalRenderer
{
    // text
    Font textFont = new System.Drawing.Font("Arial", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
    private Color menuItemSelectedColor = Color.Gray;
    private Color menuItemBorderColor = Color.Black;
    /// <summary> 
    /// Initialize a new instance of the Visual Studio MenuBarRenderer class. 
    /// </summary> 
    public MenuItemRenderer() : base(new MenuBarColor())
    {
        // item background
        this.menuItemSelectedColor = Color.Red;
        // item border
        this.menuItemBorderColor = Color.Blue;
    }
    protected override void OnRenderItemText(ToolStripItemTextRenderEventArgs e)
    {
        e.TextFont = textFont;
        if (e.Item.IsOnDropDown)
        {
            if (e.Item.Selected)
            {
                e.TextColor = Color.White;
            }
            else
            {
                e.TextColor = Color.Black;
            }
        }
        base.OnRenderItemText(e);
    }
    // Backgrounds
    protected override void OnRenderMenuItemBackground(ToolStripItemRenderEventArgs e)
    {
        if (e.Item.IsOnDropDown)
        {
            if (e.Item.Selected == true && e.Item.Enabled)
            {
                DrawMenuDropDownItemHighlight(e);
            }
        }
        else
        {
            base.OnRenderMenuItemBackground(e);
        }
    }

    // DrawMenuDropDownItemHighlight
    private void DrawMenuDropDownItemHighlight(ToolStripItemRenderEventArgs e)
    {
        Rectangle rect = new Rectangle();
        rect = new Rectangle(2, 0, (int)e.Graphics.VisibleClipBounds.Width - 4, (int)e.Graphics.VisibleClipBounds.Height - 1);
        using (SolidBrush brush = new SolidBrush(menuItemSelectedColor))
        {
            e.Graphics.FillRectangle(brush, rect);
        }
        using (Pen pen = new Pen(menuItemBorderColor))
        {
            e.Graphics.DrawRectangle(pen, rect);
        }
    }
}