No Load event on UserControl for Compact Framework?

Looks like there is no Load event for usercontrol on the CF.

I'm used to loading data on the Load EventHandler.

What is the other alternative to achie开发者_JAVA技巧ve this for CF?

So far looks like I have no choice but to do so in the Contructor of the usercontrol...

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I deleted my previous answer as it was absolute rubbish. You're 100% correct, there's no Load event for the CF. Turns out I discovered this myself when I wrote my UserControl. I looked for the load event on an old project, in which all my user controls are inheriting from my own base class... called UserControlBase.

I appear to have implemented my own Load functionality within my base class. This is a cut down version of my base class:

public class UserControlBase : UserControl
{

    public UserControlBase() { }

    public event EventHandler Load;

    private void Loaded()
    {
        if (this.Load != null)
        {
            this.Load(this, new EventArgs());
        }
    }

    public new void ResumeLayout()
    {
        this.Loaded();
        base.ResumeLayout();
    }

    public new void ResumeLayout(bool performLayout)
    {
        this.Loaded();
        base.ResumeLayout(performLayout);
    }

}

Now, in your actual user control, do the following:

public partial class UserControl1 : UserControlBase
{

    public UserControl1()
    {
        InitializeComponent();
    }

    private void UserControl1_Load(object sender, EventArgs e)
    {

    }

}

This is from a very old project. In later projects I tend to just have a .Load() method on user controls that is called in the Form_Load.

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You can use the EnabledChanged event and check if the control is enabled for the first time:

private void UserControl1_EnabledChanged(object sender, EventArgs e)
{
    if (Enabled && firstTime)
    {
        firstTime= false;
        //DO init
    }
}

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I would use the OnHandleCreated, but remember, a Control's handle can be recreated.

E.x.:

private bool _loaded;

protected override void OnHandleCreated(EventArgs e)
{
base.OnHandleCreated(e);
if(!_loaded)
{
_loaded=true;
DoLoad();
}
}

private void DoLoad()
{
}