C#

George_George wrote:

I am designing an application which could be treated as a framework application to host other components

led mike wrote:

Get real.

Mark Salsbery
Microsoft MVP - Visual C++

bool oldVal = ListBox1.Scrollable;
ListBox1.Scrollable = true;
ListBox1.EnsureVisible(index);
ListBox1.Scrollable = oldVal;

public partial class Form1 : Form
{
    private System.Windows.Forms.Panel panel1;
    private System.Windows.Forms.Label label1;
    private System.Windows.Forms.Button button1;
    private System.Windows.Forms.Button button2;

    public Form1()
    {
        InitializeComponent();

        // Create the controls.
        this.panel1 = new System.Windows.Forms.Panel();
        this.button1 = new System.Windows.Forms.Button();
        this.button2 = new System.Windows.Forms.Button();
        this.label1 = new System.Windows.Forms.Label();

        //
        // panel1
        //
        this.panel1.Controls.Add(this.label1);
        this.panel1.Location = new System.Drawing.Point(93, 12);
        this.panel1.Size = new System.Drawing.Size(60, 50);
        this.panel1.TabIndex = 0;
        //
        // button1
        //
        this.button1.Location = new System.Drawing.Point(12, 12);
        this.button1.Size = new System.Drawing.Size(75, 23);
        this.button1.TabIndex = 0;
        this.button1.Text = "Up";
        this.button1.UseVisualStyleBackColor = true;
        this.button1.Click += new System.EventHandler(this.scrollUp);
        //
        // button2
        //
        this.button2.Location = new System.Drawing.Point(12, 41);
        this.button2.Size = new System.Drawing.Size(75, 23);
        this.button2.TabIndex = 0;
        this.button2.Text = "Down";
        this.button2.UseVisualStyleBackColor = true;
        this.button2.Click += new System.EventHandler(this.scrollDown);
        //
        // label1
        //
        this.label1.Location = new System.Drawing.Point(0, 0);
        this.label1.Name = "label1";
        this.label1.Size = new System.Drawing.Size(60, 186);
        this.label1.TabIndex = 1;
        this.label1.Text = "This is a label with some text that goes on for ages and ages to " +
            "demonstrate how it is possible to manually scroll a control using a panel.";


        // Add the controls to the form.
        this.Controls.Add(this.button2);
        this.Controls.Add(this.button1);
        this.Controls.Add(this.panel1);

        this.ClientSize = new System.Drawing.Size(169, 75);
    }

    private void scrollUp(object sender, EventArgs e)
    {
        label1.Top += 10;
        if (label1.Top > 0)
        {
            label1.Top = 0;
        }
    }

    private void scrollDown(object sender, EventArgs e)
    {
        label1.Top -= 10;
        if (label1.Top < panel1.Height-label1.Height)
        {
            label1.Top = panel1.Height - label1.Height;
        }
    }
}

public void UpdateTextBox(String data)
{
    if (this.InvokeRequired)
    {
        this.Invoke(new Action<string>(UpdateTextBox), data);
        return;
    }

    txtData.Text = data;
}

Kurt wrote:

Isn't it possible to place an Invoke in the function that fires the event?