How to set combobox default value in c++ -


i have combobox need have default value , value written in file. below added items combobox

    combobox1->items->add("red");     combobox1->items->add("blue");

with code below write line text file selected combobox element. , in text file should see written word blue

sw->writeline("\"grey\") blah \"" + combobox1->selectedindex = 1 + "\" ");

but c2106: '=': left operand must l-value error

you combining setting of index building string? combobox1->selectedindex = 1 should set active item second entry in combo box. error message indicates wants long value. not providing that.


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