private void InitializeEventSink(IFileDialog nativeDlg)
{
// Check if we even need to have a sink.
if (FileOk != null ||
FolderChanging != null ||
FolderChanged != null ||
SelectionChanged != null ||
FileTypeChanged != null ||
DialogOpening != null ||
(controls != null && controls.Count > 0))
{
uint cookie;
nativeEventSink = new NativeDialogEventSink(this);
nativeDlg.Advise(nativeEventSink, out cookie);
nativeEventSink.Cookie = cookie;
}
}
private void InitializeEventSink(IFileDialog nativeDialog)
{
// Check if we even need to have a sink
if (FileOk != null
|| FolderChanging != null
|| FolderChanged != null
|| SelectionChanged != null
|| FileTypeChanged != null
|| Opening != null
|| (controls != null && controls.Count > 0))
{
uint cookie;
nativeEventSink = new NativeDialogEventSink(this);
nativeDialog.Advise(nativeEventSink, out cookie);
nativeEventSink.Cookie = cookie;
}
}
private void CleanupEventSink()
{
if (nativeEventSink != null)
{
nativeDialog.Unadvise(nativeEventSink.Cookie);
nativeEventSink = null;
}
}
