c# - Adding List<object> to listBox (form2 to form1) -

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• communicate between 2 windows forms in c# 10 answers

i want transfer data form2 form1's listbox1. form2 includes several textboxes,

i have tried face problem placing of code form1 cannot values needed form2.

can help, understand i'm not clear can answer questions code.

private void button3_click(object sender, eventargs e) {     list<form1other> filelist = new list<form1other>();     form1other[] f1other = new form1other[10];     form1 testform1 = new form1();      string tname = textbox1.text;     string tdesc = textbox2.text;     decimal tprior = numericupdown1.value;     string tdate = datetimepicker1.value.toshortdatestring();     string tcompl = "unfinished";      filelist.add(new form1other(tname, tdesc, tprior, tdate, tcompl));      testform1.listbox1.items.add(filelist[0].tname);     testform1.listbox1.items.add(filelist[0].tdesc);     testform1.listbox1.items.add(filelist[0].tprior);     testform1.listbox1.items.add(filelist[0].tdate);     testform1.listbox1.items.add(filelist[0].tcompl);     system.diagnostics.debug.writeline(filelist[0].tdesc); 

you need sort of messaging/event mechanism can communicate across different views/forms.

you either need implement own using queue , publish/subscribe. system.messaging

or use 1 implemented.

a few note use are:

• the mvvm light messenger
• eventaggregator.net