// add given string to ComboBox at beginning
private void MonitorExtDropdownInsert(string str)
{
// check that string isn't empty
if (str.Length <= 0)
{
return;
}
// convert str to lowercase
str = str.ToLower();
// pull Items from control
ComboBox.ObjectCollection extComboList = ComboBoxMonitorExt.Items;
// check that string is not equal to current value at beginning
// check if list contains anything
// could use IndexOf(str), but don't want to deal with if it starts at the end or beginning of the collection
if (extComboList.Count > 0)
{
// check if equals, return
if (str == (string)extComboList[0])
{
return;
}
}
// if size is at max, remove last entry
if (extComboList.Count == extHistoryMax)
{
extComboList.RemoveAt(extComboList.Count - 1);
}
// insert at beginning
extComboList.Insert(0, str);
}
private void maintainHistoryLength(ComboBox.ObjectCollection items)
{
if (items.Count > DEFAULT_MAX_HISTORY)
{
int lastIndex = items.Count - 1;
items.RemoveAt(lastIndex);
}
}
/// <summary>
/// Perform the save operation to save the friend's data
/// </summary>
/// <returns>true if succeeded, false if not succeeded</returns>
private bool PerformSaveOp()
{
// Check if saving is valid
bool notValid = string.IsNullOrWhiteSpace(this.friendSheet.Friend.Name);
if (notValid)
{
MessageBox.Show(
"Saving failed, name cannot be empty or only have whitespace",
"Cannot save",
MessageBoxButtons.OK);
return(false);
}
// Save friend sheet
this.friendSheet.SaveFriend();
// Save lists
this.listBring.SaveItemList();
this.listWant.SaveItemList();
Friend friend = this.friendSheet.Friend;
friend.ListBring = this.listBring.Items;
friend.ListWant = this.listWant.Items;
int index = this.ComboBoxFriends.SelectedIndex;
ComboBox.ObjectCollection items = this.ComboBoxFriends.Items;
if (index == -1)
{
// If index is -1 (new entry) then prepare the index to be 0 for later insertion
index = 0;
}
else
{
// If index is something other than -1 (existing entry), remove the entry at that index
// (supposedly the friend object with "outdated" params) to have the new friend entry
// be added in as a replacement.
items.RemoveAt(index);
}
// Insert the friend object at the designated index
items.Insert(index, friend);
// Have the combo box select the entry corresponding to that index
this.ComboBoxFriends.SelectedIndex = index;
return(true);
}
