private void openNetCDFFileToolStripMenuItem_Click(object sender, EventArgs e)
 {
     openFileDialog1.FileName = Properties.Settings.Default.LastFilename;
     if (openFileDialog1.ShowDialog() == DialogResult.OK)
     {
         Properties.Settings.Default.LastFilename = openFileDialog1.FileName;
         Properties.Settings.Default.Save();
         if (File.Exists(openFileDialog1.FileName))
         {
             StatusText("Reading NetCDF file, please wait...");
             this.Cursor = Cursors.WaitCursor;
             Application.DoEvents();
             myFile = new NcFile(openFileDialog1.FileName);
             ncFileExplorer1.NcFile = myFile;
             StatusText("Ready");
             this.Cursor = Cursors.Arrow;
             gbEnvironmentalDatabase.Enabled = true;
             CheckEnvironmentalDatabaseSettings();
             PopulateVariableDropdowns();
         }
         else
         {
             ErrorText("File not found");
             gbEnvironmentalDatabase.Enabled = false;
             gbNetCDFVariables.Enabled = false;
         }
     }
 }
 private void textBox1_TextChanged(object sender, EventArgs e)
 {
     if (File.Exists(textBox1.Text))
     {
         StatusText("Reading file...");
         myFile = new NcFile(textBox1.Text);
         ncFileExplorer1.NcFile = myFile;
         StatusText("Ready");
     }
     else
         ErrorText("File not found");
 }