c# - Call a method inside an event handler function -


i'm trying implement application in c# generates me qr code. i've managed this, don't know how call createqrimage(string inputdata) inside genbutton_click(object sender, eventargs e).

i inside windows form have textbox , button, , think function createqrimage must called name of textbox

here code:

private void genbutton_click(object sender, eventargs e) {  }  public void createqrimage(string inputdata) {     if (inputdata.trim() == string.empty)     {         system.windows.forms.messagebox.show("data must not empty.");     }      barcodewriter qrcoder = new zxing.barcodewriter     {         format = barcodeformat.qr_code,         options = new zxing.qrcode.qrcodeencodingoptions         {             errorcorrection = zxing.qrcode.internal.errorcorrectionlevel.h,             height = 250,             width = 250         }     };      string tempfilename = system.io.path.gettemppath() + inputdata + ".png";      image image;     string data = inputdata;     var result = qrcoder.write(inputdata);     image = new bitmap(result);     image.save(tempfilename);      system.diagnostics.process.start(tempfilename); }

this should trick:

private void genbutton_click(object sender, eventargs e) {     // assuming text box name. assuming ui disables button until text entered.     this.createqrimage(mytextbox.text); }

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