ValidateHObject Method - neoVI API
This method is used to determine if a driver object is valid.
int _stdcall icsneoValidateHObject(void * hObject);Public Declare Function icsneoValidateHObject Lib “icsneo40.dll” (ByVal hObject As IntPtr) As Integer[DllImport(“icsneo40.dll”)] public static extern int icsneoValidateHObject(IntPtr hObject);Parameters
hObject
[in] Specifies the driver object created by OpenNeoDevice.
Return Values
1 if the hObject is valid. 0 if the object is invalid.
Remarks
A driver object will be invalid if it was never initialized by OpenNeoDevice. Calling ClosePort will not invalidate a driver object; only FreeObject will do so.
Examples
if(Convert::ToBoolean(icsneoValidateHObject(m_hObject)))
{
cmdCheckHardwareHandle->Text = "Good";
}
else
{
cmdCheckHardwareHandle->Text = "Lost";
}if (Convert.ToBoolean (icsNeoDll.icsneoValidateHObject(m_hObject)))
{
cmdCheckHardwareHandle.Text = "Good";
}
else
{
cmdCheckHardwareHandle.Text = "Lost";
}If (CBool(icsneoValidateHObject(m_hObject))) Then
cmdCheckHardwareHandle.Text = "Good"
Else
cmdCheckHardwareHandle.Text = "Lost"
End IfLast updated