private void openButton_Click(object sender, EventArgs e)
{
try
{
// Stop any on-going acquisition
stopButton.PerformClick();
// Close the camera if one has already been opened
if (_session != null)
{
_session.Close();
_session = null;
}
// Create the session
_session = new ImaqdxSession(cameraName.Text);
// Update the tree of attributes
PopulateTree();
// Update the UI buttons
startButton.Enabled = true;
}
catch (ImaqdxException error)
{
MessageBox.Show(error.ToString(), "NI-IMAQdx Error");
}
}
private void startButton_Click(object sender, EventArgs e)
{
try
{
// Read UI controls
string cameraName = cameraComboBox.Text;
selectedAcquisitionType = (ImaqdxAcquisitionType)acquisitionModeComboBox.SelectedItem;
numBuffersUsed = (int)numberOfBuffersControl.Value;
selectedBufferWaitMode = bufferWaitMode.Text;
// Open a new session and configure a grab
_session = new ImaqdxSession(cameraName);
_session.Acquisition.Configure(selectedAcquisitionType, numBuffersUsed);
_session.Acquisition.Start();
// Update UI state
startButton.Enabled = false;
stopButton.Enabled = true;
numberOfBuffersControl.Enabled = false;
acquisitionModeComboBox.Enabled = false;
bufferWaitMode.Enabled = false;
cameraComboBox.Enabled = false;
// Start up background worker to acquire images
acquisitionWorker.RunWorkerAsync();
}
catch (ImaqdxException ex)
{
_session.Close();
_session = null;
MessageBox.Show(ex.Message, "NI-IMAQdx Error");
}
}
private void startButton_Click(object sender, EventArgs e)
{
try
{
imageScrollBar.Enabled = false;
int numberOfImages = (int)numImages.Value;
// Open camera
_session = new ImaqdxSession(cameraComboBox.Text);
// Create array of images
images = new VisionImage[numberOfImages];
for (int i = 0; i < images.Length; ++i)
{
images[i] = new VisionImage();
}
// Acquire the sequence of images
_session.Sequence(images, numberOfImages);
// Close the camera
_session.Close();
// Update UI controls
imageViewer.Attach(images[0]);
imageScrollBar.Minimum = 0;
imageScrollBar.Value = imageScrollBar.Minimum;
imageScrollBar.Maximum = numberOfImages - 1;
imageScrollBar.Enabled = true;
}
catch (ImaqdxException ex)
{
MessageBox.Show(ex.Message, "NI-IMAQdx Error");
}
}
private void stopButton_Click(object sender, EventArgs e)
{
try
{
acquisitionWorker.CancelAsync();
if (_session != null)
{
_session.Close();
_session = null;
}
bufNumTextBox.Text = "";
}
catch (ImaqdxException ex)
{
MessageBox.Show(ex.Message, "NI-IMAQdx Error");
}
}
private void stopButton_Click(object sender, EventArgs e)
{
try
{
// Notify the acquisition worker that we are stopping
acquisitionWorker.CancelAsync();
// Close the session
if (_session != null)
{
_session.Close();
_session = null;
}
}
catch (ImaqdxException ex)
{
MessageBox.Show(ex.Message, "NI-IMAQdx Error");
}
}
private void startButton_Click(object sender, EventArgs e)
{
try
{
startButton.Enabled = false;
int numberOfImages = (int)numImages.Value;
// Open the camera
_session = new ImaqdxSession(cameraComboBox.Text);
// Create images
images = new VisionImage[numberOfImages];
for (uint i = 0; i < images.Length; ++i)
{
images[i] = new VisionImage();
}
// Configure and start the camera
_session.Acquisition.Configure(ImaqdxAcquisitionType.SingleShot, numberOfImages);
_session.Acquisition.Start();
// Get each image in the sequence
for (uint i = 0; i < images.Length; ++i)
{
_session.Acquisition.GetImageAt(images[i], i);
}
// Stop, Unconfigure, and Close the camera
_session.Acquisition.Stop();
_session.Acquisition.Unconfigure();
_session.Close();
_session = null;
// Attach the viewer to the first image
imageViewer.Attach(images[0]);
// Setup the scroll bar to select the images
imageScrollBar.Minimum = 0;
imageScrollBar.Value = imageScrollBar.Minimum;
imageScrollBar.Maximum = numberOfImages - 1;
imageScrollBar.Enabled = true;
}
catch (ImaqdxException ex)
{
MessageBox.Show(ex.Message, "NI-IMAQdx Error");
}
startButton.Enabled = true;
}
private void startButton_Click(object sender, EventArgs e)
{
try
{
// Open camera
_session = new ImaqdxSession(cameraComboBox.Text);
// Snap an image
_session.Snap(imageViewer.Image);
// Close the camera
_session.Close();
}
catch (ImaqdxException ex)
{
MessageBox.Show(ex.Message, "NI-IMAQdx Error");
}
}
private void startButton_Click(object sender, EventArgs e)
{
try
{
// Open camera
_session = new ImaqdxSession(cameraComboBox.Text);
// Configure and start a single-shot acquisition with 1 image
_session.Acquisition.Configure(ImaqdxAcquisitionType.SingleShot, 1);
_session.Acquisition.Start();
// Get our image
_session.Acquisition.GetImageAt(image, 0);
//Stop, unconfigure, and close camera
_session.Acquisition.Stop();
_session.Acquisition.Unconfigure();
_session.Close();
}
catch (ImaqdxException ex)
{
MessageBox.Show(ex.Message, "NI-IMAQdx Error");
}
}
