private void 关闭usb_Click(object sender, EventArgs e)
{
timer1.Enabled = false;
C8051fUSBCameraDLL.Status = C8051fUSBCameraDLL.SI_Close(C8051fUSBCameraDLL.hUSBDevice);
comboBox_Device.Items.Clear();
usb传图.Enabled = false;
usb连续传输图像.Enabled = false;
}
private void 打开usb_Click(object sender, EventArgs e)
{
int DevNum = 0;
StringBuilder DevStr = new StringBuilder(C8051fUSBCameraDLL.SI_MAX_DEVICE_STRLEN);
int i;
comboBox_Device.Items.Clear();
C8051fUSBCameraDLL.Status = C8051fUSBCameraDLL.SI_GetNumDevices(ref DevNum);
if (C8051fUSBCameraDLL.Status == C8051fUSBCameraDLL.SI_SUCCESS)
{
for (i = 0; i < DevNum; i++)
{
C8051fUSBCameraDLL.Status = C8051fUSBCameraDLL.SI_GetProductString(i, DevStr, C8051fUSBCameraDLL.SI_RETURN_SERIAL_NUMBER);
comboBox_Device.Items.Insert(i, DevStr);
}
this.comboBox_Device.SelectedIndex = 0; // then set combo list to first item
}
else
{
MessageBox.Show("Error finding USB device. Aborting application.");
Application.Exit();
}
C8051fUSBCameraDLL.Status = C8051fUSBCameraDLL.SI_Close(C8051fUSBCameraDLL.hUSBDevice);
C8051fUSBCameraDLL.Status = C8051fUSBCameraDLL.SI_SetTimeouts(300, 300);
C8051fUSBCameraDLL.Status = C8051fUSBCameraDLL.SI_Open(comboBox_Device.SelectedIndex, ref C8051fUSBCameraDLL.hUSBDevice);
if (C8051fUSBCameraDLL.Status != C8051fUSBCameraDLL.SI_SUCCESS)
{
MessageBox.Show("Error opening device: " + comboBox_Device.Text + ". Application is aborting. Reset hardware and try again.");
Application.Exit();
}
usb传图.Enabled = true;
usb连续传输图像.Enabled = true;
}
