3 replies to this topic

[dirkfirst]

How can I see and control when the user presses the X button in the upper right hand corner?

I'd like to bring up a msgbox that asks if the user really wants to quit. I notice a lot of programs do this. Is it possible to disable the X button at certain times?

[dirkfirst]

Where? I do not see it.

[hoser2001]

dirkfirst said:

How can I see and control when the user presses the X button in the upper right hand corner? I'd like to bring up a msgbox that asks if the user really wants to quit.

In your dialog class (the one you want to confirm closing) There is a FormClosing event that gets called before the closing happens. Here is an example:

private void MainApp_FormClosing(object sender, FormClosingEventArgs e)
{
if (MessageBox.Show("Are you sure you want to close?", "Confirm Close", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
e.Cancel = false;
}
else
{
e.Cancel = true;
}
}

This is a very primitive C# example, but it works.

dirkfirst said:

I notice a lot of programs do this. Is it possible to disable the X button at certain times?

There are two ways to do this, the only one I can remember is the "control box" propery, set this to 'false' and it will disable all the buttons in the top right of the screen. There is a property for each of these individually, so you should be able to find a property for the exit button.

To disable and enable it during your code merely add this line to disable:

Form.Controlbox = false; (or form.controlbox.enabled = false;) i dont remember

and the obvious to re-enable it.