private void btnSave_Click(object sender, EventArgs e)
{
// first do validation
if (Categories.Contains(txtCatName.Text))
{
//set error
return;
}
// too long?
//set new category
DatabaseClass.SetCategory(txtCatName.Text);
//create and cache new button
Categories.Add(txtCatName.Text);
//quick solution to notify that a new category has been added
//add a string of 50 chars, definitely longer than anything the user can add
//and when we close this form we invoke FormClosed event and check if the last value length is 50
//this way I don't have to track any additional variables that keep the last length of the array
//and will be a tiny bit faster and simpler to implement
Categories.Add("00000000000000000000000000000000000000000000000000");
//close this form and open new one
this.Close();
}
