[Mono-bugs] [Bug 484989] DataGridView doesn't emit RowStateChanged Event on creation.

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Fri Mar 13 12:39:34 EDT 2009


User tom_hindle at sil.org added comment

--- Comment #1 from tom hindle <tom_hindle at sil.org>  2009-03-13 10:39:34 MST ---
An added subtly is that on .NET the RowStateChanged event is NOT emitted when
Row Count is changed, but latter on at somepoint.

using System;
using System.Drawing;
using System.Windows.Forms;

public class Form1 : System.Windows.Forms.Form
 public Form1()
  this.Load += new EventHandler(Form1_Load);

  DataGridView m_grid = new DataGridView();

  private void Form1_Load(System.Object sender, System.EventArgs e)
   m_grid.AllowUserToAddRows = false;
   m_grid.ColumnStateChanged += new
  m_grid.RowStateChanged += new
  Console.WriteLine("Before RowCount");
  m_grid.RowCount = 3;
  Console.WriteLine("After RowCount");
  Console.WriteLine("After Add Grid to Controls");

 protected virtual void OnRowStateChanged(object sender,
DataGridViewRowStateChangedEventArgs e)
  Console.WriteLine("OnRowStateChanged {0}", e.Row);

 protected virtual void OnColumnStateChanged(object sender,
DataGridViewColumnStateChangedEventArgs e)
  Console.WriteLine("OnColumnStateChanged {0}", e.Column);

 static void Main()
  Application.Run(new Form1());    

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