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Hooking Events to Private Members of User Controls

Gordon Kushner

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4 Feb 2010

Say you need capture an event for a control in a User Control and you are not permitted to change the control itself.You can hook into control events, even for private controls with this code://In a Windows Form//Get the private control cboSomePrivateControl from the user control's...

Say you need capture an event for a control in a User Control and you are not permitted to change the control itself.

You can hook into control events, even for private controls with this code:

//In a Windows Form

//Get the private control cboSomePrivateControl from the user control's Control collection
ComboBox cbo = (customUserControl.Controls["cboSomePrivateControl"] as ComboBox);

//Hook  control change and assign a method
cbo.SelectedIndexChange += new EventHandler(cbo_SelectionChange);

...

//create the method to handle the change.
void cbo_SelectionChange(object sender, EventArgs e)
{

}

It's that easy.

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