Minor modifications to neuropixels config GUIs

- Starting folder when browsing for calibration files is set to the
  previous location if it exists
- File IO and access exceptions presented as MessageBoxs with error
  styling

Author: jonnew

OpenEphys.Onix1.Design/NeuropixelsV1eDialog.cs

@@ -243,14 +243,12 @@ private void CheckStatus()
             }
             catch (IOException ex)
             {
-                MessageBox.Show($"An I/O error occurred while parsing {ConfigureNode.AdcCalibrationFile}. Check the error log below." +
-                    $"\n\n" + ex.Message);
+                MessageBox.Show(ex.Message, "I/O error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                 return;
             }
             catch (UnauthorizedAccessException ex)
             {
-                MessageBox.Show($"An unauthorized access error occurred while parsing {ConfigureNode.AdcCalibrationFile}. Check the error log below." +
-                    $"\n\n" + ex.Message);
+                MessageBox.Show(ex.Message, "Unauthorized access error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                 return;
             }
 
@@ -275,14 +273,12 @@ private void CheckStatus()
             }
             catch (IOException ex)
             {
-                MessageBox.Show($"An I/O error occurred while parsing {ConfigureNode.GainCalibrationFile}. Check the error log below." +
-                    $"\n\n" + ex.Message);
+                MessageBox.Show(ex.Message, "I/O error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                 return;
             }
             catch (UnauthorizedAccessException ex)
             {
-                MessageBox.Show($"An unauthorized access error occurred while parsing {ConfigureNode.GainCalibrationFile}. Check the error log below." +
-                    $"\n\n" + ex.Message);
+                MessageBox.Show(ex.Message, "Unauthorized access error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                 return;
             }
 
@@ -330,7 +326,11 @@ private void ChooseGainCalibrationFile_Click(object sender, EventArgs e)
             {
                 CheckFileExists = true,
                 Filter = "Gain calibration files (*_gainCalValues.csv)|*_gainCalValues.csv|All Files|*.*",
-                FilterIndex = 0
+                FilterIndex = 0,
+                InitialDirectory = File.Exists(textBoxGainCalibrationFile.Text) ?
+                                   Path.GetDirectoryName(textBoxGainCalibrationFile.Text) :
+                                   ""
+
             };
 
             if (ofd.ShowDialog() == DialogResult.OK)
@@ -347,7 +347,10 @@ private void ChooseAdcCalibrationFile_Click(object sender, EventArgs e)
             {
                 CheckFileExists = true,
                 Filter = "ADC calibration files (*_ADCCalibration.csv)|*_ADCCalibration.csv|All Files|*.*",
-                FilterIndex = 0
+                FilterIndex = 0,
+                InitialDirectory = File.Exists(textBoxAdcCalibrationFile.Text) ?
+                                   Path.GetDirectoryName(textBoxAdcCalibrationFile.Text) :
+                                   ""
             };
 
             if (ofd.ShowDialog() == DialogResult.OK)

OpenEphys.Onix1.Design/NeuropixelsV2eProbeConfigurationDialog.cs

@@ -522,14 +522,12 @@ private void CheckStatus()
             }
             catch (IOException ex)
             {
-                MessageBox.Show($"An I/O error occurred while parsing {textBoxProbeCalibrationFile.Text}. Check the error log below." +
-                    $"\n\n" + ex.Message);
+                MessageBox.Show(ex.Message, "I/O error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                 return;
             }
             catch (UnauthorizedAccessException ex)
             {
-                MessageBox.Show($"An unauthorized access error occurred while parsing {textBoxProbeCalibrationFile.Text}. Check the error log below." +
-                    $"\n\n" + ex.Message);
+                MessageBox.Show(ex.Message, "Unauthorized access error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                 return;
             }
 
@@ -550,7 +548,10 @@ internal void ChooseCalibrationFile_Click(object sender, EventArgs e)
             {
                 CheckFileExists = true,
                 Filter = "Gain calibration files (*_gainCalValues.csv)|*_gainCalValues.csv|All Files|*.*",
-                FilterIndex = 0
+                FilterIndex = 0,
+                InitialDirectory = File.Exists(textBoxProbeCalibrationFile.Text) ? 
+                                   Path.GetDirectoryName(textBoxProbeCalibrationFile.Text) : 
+                                   ""
             };
 
             if (ofd.ShowDialog() == DialogResult.OK)