diff options
Diffstat (limited to 'src/Fl_Double_Window.cxx')
| -rw-r--r-- | src/Fl_Double_Window.cxx | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/Fl_Double_Window.cxx b/src/Fl_Double_Window.cxx index 943e065af..fb93c9cd9 100644 --- a/src/Fl_Double_Window.cxx +++ b/src/Fl_Double_Window.cxx @@ -369,6 +369,7 @@ void Fl_Double_Window::flush() {flush(0);} and leaving the clip region set to the entire window. */ void Fl_Double_Window::flush(int eraseoverlay) { + if (!shown()) return; make_current(); // make sure fl_gc is non-zero Fl_X *myi = Fl_X::i(this); if (!myi) return; // window not yet created |