Custom Windows Forms Control not exporting functions, not showing in tools list, showing as Text

Posted by flavour404 on Stack Overflow See other posts from Stack Overflow or by flavour404
Published on 2010-03-16T01:05:10Z Indexed on 2010/03/16 1:09 UTC
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Hi,

I have written a very simple control. C# Visual Studio 2008. Its output should be, and is a dll. I have added a reference to the dll within the project that I intend to use it with. The msdn article about how to write a control states that it should appear in the 'Add reference / projects' list, which it doesn't but I simply navigated to it under the 'browse' tab, went to the /bin folder and added the reference that way. I dragged it over to my toolbox, but it shows up as a 'Text:xhair_tool' and when i try and add it to a form, it won't, so what have I done wrong? It was created as a 'Windows forms control' project. It should export the one method which is 'Target' which return an array, as shown below.

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;

namespace xhair_tool
{
public partial class xhair : UserControl
{
    public xhair()
    {
        InitializeComponent();
    }

    private void xhair_Load(object sender, EventArgs e)
    {

    }
    protected override void OnPaint(PaintEventArgs e)
    {
        Graphics g = e.Graphics;
        Pen pen = new Pen(Color.Black, 1);
        SolidBrush redBrush = new SolidBrush(Color.Red);
        g.DrawLine(pen, 8, 0, 8, 7);
        g.DrawLine(pen, 8, 9, 8, 16);
        g.DrawLine(pen, 0, 8, 7, 8);
        g.DrawLine(pen, 9, 8, 16, 8);

        //ControlPaint.DrawReversibleLine(start, end, backColor)
    }
    /// <summary>
    /// Returns the point at the center of the crosshair
    /// </summary>
    /// <returns>int[x,y]</returns>
    public int[] Target
    {
        get
        {
            int[] _xy = new int[2];
            _xy[0] = this.Left + 8;
            _xy[1] = this.Top + 8;
            return _xy;
        }
    }

}

}

Thanks, R.

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