private void AddVariableWindow_FormClosing(object sender, FormClosingEventArgs e)
{
// See if if the user is trying to create a reserved variable
if (this.DialogResult == System.Windows.Forms.DialogResult.OK &&
radCreateNewEvent.Checked &&
EditorLogic.CurrentEntitySave != null &&
ExposedVariableManager.IsMemberDefinedByPositionedObject(this.textBox1.Text)
)
{
System.Windows.Forms.MessageBox.Show("The variable " + this.textBox1.Text + " is " +
"already defined by the engine. You can expose this variable or select a different name.");
e.Cancel = true;
}
}