image - C# .NET WinForms 4.6.2 GIF Animation in StatusStripLabel won't animate -

i have c# winforms .net app in have label in statusstrip @ bottom of windows form. label set show animated gif project resources folder. when calling method open file, first thing make label visible...

tslblprogbar.visible = true; ssstatusstrip.refresh(); 

...then comes code open form...

// code load file goes here. // , here. // , here , here. 

...and hide label...

tslblprogbar.visible = false; ssstatusstrip.refresh(); 

probelm: gif animation (properties.resources.busybar.gif) won't animate. there must easy fix. anyone?

update: started project in vs 2013 ultimate , i'm working on in vs 2017 pro. started working on in vs 2017. no sign of trouble in process, though.