vb.net - How can I use the .Show() method in such a way the user can't click other forms already opened in background? -

now i'm using a'jobdone' flag , following behaviour (that looks quite horrible me...):

dim newloginform new loginclass  loginclass.jobdone = false  newloginform.show()  while (loginclass.jobdone = false)      application.doevents()  end while  newloginform.close() 

if try use showdialog() behaviour better it's problem manage opening , closing windows (if forms many) , notice background opened forms close either if 1 showdialog() form closed...

thanks

ran quick test , worked perfectly:

public sub forceopen(byref frm form)     frm.show()     each otherform form in application.openforms         if otherform frm             addhandler frm.formclosing, addressof blockformclosing         else             otherform.enabled = false         end if     next end sub  public sub blockformclosing(byval sender system.object, byval e system.windows.forms.formclosingeventargs)     e.cancel = true end sub  public sub enableopenforms()     each frm form in application.openforms         frm.enabled = true         removehandler frm.formclosing, addressof blockformclosing     next end sub 

the calling form open stay-open form forceopen(formstayopen). when stay-open form's conditions allowing user close have been satisfied, have call enableopenforms().