//clearing controls example: //deselect all items in a listbox lstStore->SelectedIndex = -1; //erase all items in a listbox lstCart->Items->Clear(); //clear picture in a picturebox control pictureBox1->Image = nullptr; //nullptr is used instead of null in C++/CLI. //clear textbox two ways txtQuantity->Text = ""; txtTaxRate->Clear(); //clear label lblTotalDue->Text= "";