Use the correct method to retrieve the parent window to disable and check that
this pointer is not NULL before dereferencing it.
Closes #12414.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65467
c3d73ce0-8a6f-49c7-b76d-
6d57e0e08775
}
if ( !HasFlag(wxPD_APP_MODAL) )
- GetParent()->Disable();
+ {
+ wxWindow * const parent = GetTopParent();
+ if ( parent )
+ {
+ parent->Disable();
+ }
+ else
+ {
+ wxFAIL_MSG( "Progress dialog must have a valid parent if "
+ "wxPD_APP_MODAL is not used." );
+ }
+ }
//else: otherwise all windows will be disabled by m_taskDialogRunner
// Do not show the underlying dialog.