private void viewHelpToolStripMenuItem_Click(object sender, EventArgs e) { //IExplorerMg.RunIExplorerTool(FileMg.MapRelToAbsFilePath(Constants.HelpPageFilePath)); try { object pageNumber = 1; string filePath = FileMg.MapRelToAbsFilePath(Constants.HelpPageFilePath); Process myProcess = new Process(); myProcess.StartInfo.FileName = "AcroRd32.exe"; myProcess.StartInfo.Arguments = string.Format("/A \"page={0}\" \"{1}\"", pageNumber, filePath); myProcess.Start(); } catch { MessageBox.Show("Failed to open pdf file. We need adobe reader to open the pdf file. Please make sure you have setup Adobe reader."); } }