c# - Sometimes custom loading popup doesn't show -


in application loading popup shown every time when call it. times doesn't show , same situation. popup custom usercontrol object made wpf.

popup in mainwindow.xaml:

<viewbox stretch="fill">     <grid>                   <grid x:name="body" height="768" width="1024" background="{staticresource scbpassivecolor}" />         <src:infopane x:name="infopanemaster"  visibility="collapsed" verticalalignment="top" horizontalalignment="center" />     </grid> </viewbox>

in body of main window application loads selected layout/view. before new layout loaded program calls :

layoutcommands.displayinfopane(msgloginsuccess, ropinfo.info, null);

implementation:

public void displayinfopane(string infotext, ropinfo infotype, int? displaytime) {     stoptimer();     settimer(displaytime ?? defaultdisplaytime);     prepareinfopane(infotext, infotype);     colcloseicon.width = new gridlength(0);     this.visibility = visibility.visible; }

the popup automatically closes (sets visibility collapsed) after default time.

why popup doesn't show? associated rendering?


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