Salut
merci pour ta reponce. je vais regarder ceci. car moi j'utilise le logiciel SharpDevelopp et non pas V.Net.
j'ai comme meme avance un petit peut ; comme tu vois avec ce programme, mais l'orsque j'ai essai d'introduire leOnKeyDown
pour agir si on apuie sur la touche Down ou Up..
il m'indique une erreur d'acceé (can not access) dans:
*****this.textBox.OnKeyDown += new System.Windows.Forms.KeyEventArgs(this.textBoxChanged);*******
est ce que tu peut m'aider a resoudre encore ce probleme.
merci d'avance pour ton aide
cesar
using System;
using System.Windows.Forms;
namespace MyFormProject
{
class MainForm : System.Windows.Forms.Form
{
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.TreeView treeView;
private System.Windows.Forms.Button button;
private System.Windows.Forms.TextBox textBox;
public MainForm()
{
InitializeComponent();
// textBoxChanged(object sender, System.Windows.Forms.KeyEventArgs e);
}
// This method is used in the forms designer.
// Change this method on you own risk
private void textBoxChanged(object sender, System.Windows.Forms.KeyEventArgs e)
{
if(e.KeyCode == Keys.ControlKey)
{
this.textBox.Text = "salut";
// Display a pop-up help topic to assist the user.
// Help.ShowPopup(textBox, "Enter your first name", new Point(textBox.Right, this.textBox.Bottom));
} else this.textBox.Text = "salut";
if(e.KeyCode == Keys.Delete) this.textBox.Text = "salut";
this.textBox.Text = "con";
}
private void treeView_KeyDown(object sender, KeyEventArgs e)
{
/* If the 'Alt' and 'E' keys are pressed,
* allow the user to edit the TreeNode label. */
if(e.Alt && e.KeyCode == Keys.E)
{
treeView.LabelEdit = true;
// If there is a TreeNode under the mose cursor, begin editing.
TreeNode editNode = treeView.GetNodeAt(
treeView.PointToClient(Control.MousePosition));
if(editNode != null)
{
editNode.BeginEdit();
}
}
}
private void treeView_AfterLabelEdit(object sender, NodeLabelEditEventArgs e)
{
// Disable the ability to edit the TreeNode labels.
treeView.LabelEdit = false;
}
void buttonClick(object sender, System.Windows.Forms.MouseEventArgs e)
{this.button.Text="er";
if( e.Clicks == 2) this.button.Text="er";
else this.button.Text="er";
}
void textBox2TextChanged(object sender, System.EventArgs e)
{// if(e..KeyCode == Keys.Down)
{
// this.textBox2.Text = "salut";
// Display a pop-up help topic to assist the user.
// Help.ShowPopup(textBox, "Enter your first name", new Point(textBox.Right, this.textBox.Bottom));
}
}
void textBox2TextChanged(object sender, System.Windows.Forms.KeyPressEventArgs e)
{
if (e.Handled) this.textBox2.Text = " ";
}
void InitializeComponent() {
this.textBox = new System.Windows.Forms.TextBox();
this.button = new System.Windows.Forms.Button();
this.treeView = new System.Windows.Forms.TreeView();
this.textBox2 = new System.Windows.Forms.TextBox();
this.SuspendLayout();
//
// textBox
//
this.textBox.Location = new System.Drawing.Point(24, 40);
this.textBox.Name = "textBox";
this.textBox.Size = new System.Drawing.Size(152, 20);
this.textBox.TabIndex = 0;
this.textBox.Text = "textBox";
this.textBox.OnKeyDown += new System.Windows.Forms.KeyEventArgs(this.textBoxChanged);
this.textBox2.TextChanged += new System.EventHandler(this.textBox2TextChanged);
//
// button
//
this.button.BackColor = System.Drawing.SystemColors.ActiveCaption;
this.button.ForeColor = System.Drawing.SystemColors.Control;
this.button.Location = new System.Drawing.Point(32, 96);
this.button.Name = "button";
this.button.Size = new System.Drawing.Size(120, 32);
this.button.TabIndex = 1;
this.button.Text = "button";
this.button.MouseMove += new System.Windows.Forms.MouseEventHandler(this.buttonClick);
//
// treeView
//
this.treeView.ImageIndex = -1;
this.treeView.Location = new System.Drawing.Point(64, 152);
this.treeView.Name = "treeView";
this.treeView.SelectedImageIndex = -1;
this.treeView.Size = new System.Drawing.Size(136, 72);
this.treeView.TabIndex = 2;
// this.treeView.AfterSelect += new System.Windows.Forms.TreeViewEventHandler(this.treeViewAfterSelect);
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(176, 72);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(96, 20);
this.textBox2.TabIndex = 3;
this.textBox2.Text = "textBox2";
// this.textBox2.TextChanged += new System.EventHandler(this.textBox2TextChanged);
//textBoxText_KeyUp
// MainForm
//
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.textBox2,
this.treeView,
this.button,
this.textBox});
this.Text = "This is my form";
this.ResumeLayout(false);
}
[STAThread]
public static void Main(string[] args)
{
Application.Run(new MainForm());
}
}
}
C classe
