[Mono-bugs] [Bug 508586] New: On disposing components (Tooltip, MainMenu etc) from Form the components collection should be cleared too

[bugzilla_noreply at novell.com]

http://bugzilla.novell.com/show_bug.cgi?id=508586


           Summary: On disposing components (Tooltip, MainMenu etc) from
                    Form the components collection should be cleared too
    Classification: Mono
           Product: Mono: Class Libraries
           Version: 2.4.x
          Platform: i686
        OS/Version: openSUSE 11.1
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Windows.Forms
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: ctype at mail.ru
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---


User-Agent:       Mozilla/5.0 (X11; U; Linux i686; uk; rv:1.9.0.10)
Gecko/2009042700 SUSE/3.0.10-1.1.1 Firefox/3.0.10 (.NET CLR 3.5.30729)

Calling Component.Dispose() should remove component from components collection

Reproducible: Always

Steps to Reproduce:
using System;

using System.Collections.Generic;

using System.Drawing;

using System.Windows.Forms;





namespace DisposeToolTipBug

{

    public class TestForm : Form

    {

        [STAThread]

        private static void Main(string[] args)

        {

            Application.EnableVisualStyles();

            Application.SetCompatibleTextRenderingDefault(false);

            Application.Run(new TestForm());

        }



        void MainFormLoad(object sender, EventArgs e)

        {

            toolTip.Dispose();

            if(components.Components.Count > 0)

                throw new Exception("Components still contained ToolTip");

        }







        private System.ComponentModel.IContainer components = null;        

        public TestForm()

        {

            this.components = new System.ComponentModel.Container();

            this.toolTip = new System.Windows.Forms.ToolTip(this.components);

            this.SuspendLayout();

            // 

            // MainForm

            // 

            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);

            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;

            this.ClientSize = new System.Drawing.Size(292, 266);

            this.Name = "MainForm";

            this.Text = "DisposeControlBug";

            this.Load += MainFormLoad;

            this.ResumeLayout(false);

        }

        private System.Windows.Forms.ToolTip toolTip;



    }

}
Actual Results:  
System.Exception: Components still contained ToolTip
  at DisposeToolTipBug.TestForm.MainFormLoad (System.Object sender,
System.EventArgs e) [0x00000] 
  at System.Windows.Forms.Form.OnLoad (System.EventArgs e) [0x00000] 
  at System.Windows.Forms.Form.OnLoadInternal (System.EventArgs e) [0x00000] 


Expected Results:  
No errors. components.Components.Count == 0 as in Microsoft.Net

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