public void displayOutput() // for display output in DataGridView
        {
            try
            {
                AnalyzerBackWork.fileN = txtPath.Text; // reading file and store to array
                AnalyzerBackWork.myMain();

                for (int i = 0; i < AnalyzerBackWork.librariesCount; i++)
                {
                    dgvOutput.Rows.Add();
                    dgvOutput.Rows[dgvOutput.RowCount - 1].Cells["Libraries"].Value = AnalyzerBackWork.libraries[i].ToString();
                    count++;
                }

                for (int i = 0; i < AnalyzerBackWork.keywordsCount; i++)
                {
                    dgvOutput.Rows.Add();
                    dgvOutput.Rows[dgvOutput.RowCount - count - 1].Cells["ReserveWords"].Value = AnalyzerBackWork.keywordsArray[i].ToString();
                }

                for (int i = 0; i < AnalyzerBackWork.operatorCount; i++)
                {
                    dgvOutput.Rows.Add();
                    dgvOutput.Rows[dgvOutput.RowCount - count - AnalyzerBackWork.keywordsCount - 1].Cells["Operators"].Value = AnalyzerBackWork.operators[i].ToString();
                }

                for (int i = 0; i < AnalyzerBackWork.varCount; i++)
                {
                    dgvOutput.Rows.Add();
                    dgvOutput.Rows[dgvOutput.RowCount - count - AnalyzerBackWork.operatorCount - AnalyzerBackWork.keywordsCount - 1].Cells["VariableNames"].Value = AnalyzerBackWork.originalVariables[i];
                }
            }
            catch (Exception)
            {}
        }
 private void btnOpen_Click(object sender, EventArgs e)
 {
     if (openFileDialog1.ShowDialog() == DialogResult.OK)
     {
         if (openFileDialog1.FileName.EndsWith(".cpp".ToUpper()))
         {
             txtPath.Text     = openFileDialog1.FileName;
             rTextSource.Text = AnalyzerBackWork.readFullFile(txtPath.Text);
         }
         else
         {
             MessageBox.Show("Must Open a .cpp file");
         }
     }
     else
     {
         return;
     }
 }