public static void GetKnownFoldersSource(object sender, GetCustomSourceEventArgs e)
{
Func<string, bool> predicate = null;
if (e.Text.StartsWith("shell:", StringComparison.OrdinalIgnoreCase))
{
List<string> tag = e.Target.Tag as List<string>;
if (tag == null)
{
tag = new List<string>();
foreach (string str in KnownFolder.GetNames())
{
tag.Add("shell:" + str);
}
tag.TrimExcess();
e.Target.Tag = tag;
}
if (predicate == null)
{
predicate = delegate (string x) {
return x.StartsWith(e.Text, StringComparison.OrdinalIgnoreCase);
};
}
IEnumerable<string> collection = tag.Where<string>(predicate);
e.CustomSource = ConcatSources(e.CustomSource, collection);
e.Handled = true;
}
}
public static void GetComboBoxSource(object sender, GetCustomSourceEventArgs e)
{
Func<object, bool> predicate = null;
Func<object, bool> func2 = null;
ComboBox target = e.Target as ComboBox;
if (((target != null) && (target.Items.Count > 0)) && (e.Text.Length > 0))
{
IEnumerable<object> source = target.Items.Cast<object>();
if (target.AutoCompleteMode == AutoCompleteMode.Suggest)
{
if (predicate == null)
{
predicate = delegate (object x) {
return x.ToString().IndexOf(e.Text, StringComparison.OrdinalIgnoreCase) >= 0;
};
}
source = source.Where<object>(predicate);
}
else
{
if (func2 == null)
{
func2 = delegate (object x) {
return x.ToString().StartsWith(e.Text, StringComparison.OrdinalIgnoreCase);
};
}
source = source.Where<object>(func2);
}
e.CustomSource = ConcatSources(e.CustomSource, source);
e.Handled = true;
}
}
public static void GetRecentFoldersSource(object sender, GetCustomSourceEventArgs e)
{
AutoCompleteMode autoCompleteMode;
Func<string, bool> predicate = null;
Func<string, bool> func2 = null;
TextBox target = e.Target as TextBox;
if (target != null)
{
autoCompleteMode = target.AutoCompleteMode;
}
else
{
ComboBox box2 = e.Target as ComboBox;
if (box2 == null)
{
return;
}
autoCompleteMode = box2.AutoCompleteMode;
}
if (e.Text.Length > 0)
{
IEnumerable<string> changeFolder = HistorySettings.Default.ChangeFolder;
if (changeFolder != null)
{
if (autoCompleteMode == AutoCompleteMode.Suggest)
{
if (predicate == null)
{
predicate = delegate (string x) {
return x.IndexOf(e.Text, StringComparison.OrdinalIgnoreCase) >= 0;
};
}
changeFolder = changeFolder.Where<string>(predicate);
}
else
{
if (func2 == null)
{
func2 = delegate (string x) {
return x.StartsWith(e.Text, StringComparison.OrdinalIgnoreCase);
};
}
changeFolder = changeFolder.Where<string>(func2);
}
e.CustomSource = ConcatSources(e.CustomSource, changeFolder);
e.Handled = true;
}
}
}
protected virtual void OnGetCustomSource(GetCustomSourceEventArgs e)
{
EventHandler<GetCustomSourceEventArgs> handler = base.Events[EventGetCustomSource] as EventHandler<GetCustomSourceEventArgs>;
if (handler != null)
{
handler(this, e);
}
}
protected virtual IEnumerable<object> ExpandSource(Control control)
{
IEnumerable<object> first = new object[0];
CancelEventArgs e = new CancelEventArgs();
this.OnBeforeSourcesLookup(e);
if (!e.Cancel)
{
if (this.UseFileSystemSource)
{
first = first.Concat<object>(this.ExpandFileSystem(control, control.Text).Cast<object>());
}
if (this.UseEnvironmentVariablesSource)
{
first = first.Concat<object>(this.ExpandEnvironmentVariables(control, control.Text).Cast<object>());
}
if (!this.UseCustomSource)
{
return first;
}
GetCustomSourceEventArgs args2 = new GetCustomSourceEventArgs(control, control.Text);
this.OnGetCustomSource(args2);
if (args2.Handled && (args2.CustomSource != null))
{
first = first.Concat<object>(args2.CustomSource.Cast<object>());
}
}
return first;
}
