c# - How to check/uncheck menu item and keep windows on top -


i writing c# web application have menu strip option keep windows on top. name of alwaysontoptoolstripmenuitem , during page load keep checked because start form being on top:

private void frmmain_load(object sender, eventargs e) {        alwaysontoptoolstripmenuitem.checked = true; }

i have following code allow user select , change based on condition of menu item:

private void alwaysontoptoolstripmenuitem_click(object sender, eventargs e)         {             if (alwaysontoptoolstripmenuitem.checked == true)         {             messagebox.show("true - setting false");             alwaysontoptoolstripmenuitem.checked = false;             this.topmost = false;         }         if (alwaysontoptoolstripmenuitem.checked == false)         {             messagebox.show("false - setting true");             alwaysontoptoolstripmenuitem.checked = true;             this.topmost = true;         }         }

when it's commented out, if go through menu option, clicking doesn't uncheck , clicking again doesn't check it. remains checked.

the messagebox displays both prompt no matter choose.

how can fix following:

  • change check uncheck , uncheck check based on current state?
  • also, make form topmost based on selection?

change second if statement else if, because change checked = true, in second check (which equals true), it'll switch checked = false


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