private bool LoadGirderPlugin(string girderPluginFile)
{
string folder = Path.GetDirectoryName(girderPluginFile);
string parent = Directory.GetParent(folder).FullName;
SetDllDirectory(parent);
_pluginDll = LoadLibrary(girderPluginFile);
if (_pluginDll == IntPtr.Zero)
throw new InvalidOperationException(String.Format("Failed to call LoadLibrary on girder plugin dll ({0})",
girderPluginFile));
try
{
IntPtr function;
function = GetProcAddress(_pluginDll, "gir_version");
_girVersion = (gir_version) Marshal.GetDelegateForFunctionPointer(function, typeof (gir_version));
function = GetProcAddress(_pluginDll, "gir_name");
_girName = (gir_name) Marshal.GetDelegateForFunctionPointer(function, typeof (gir_name));
function = GetProcAddress(_pluginDll, "gir_description");
_girDescription = (gir_description) Marshal.GetDelegateForFunctionPointer(function, typeof (gir_description));
function = GetProcAddress(_pluginDll, "gir_devicenum");
_girDevicenum = (gir_devicenum) Marshal.GetDelegateForFunctionPointer(function, typeof (gir_devicenum));
function = GetProcAddress(_pluginDll, "gir_requested_api");
_girRequestedApi =
(gir_requested_api) Marshal.GetDelegateForFunctionPointer(function, typeof (gir_requested_api));
function = GetProcAddress(_pluginDll, "gir_open");
_girOpen = (gir_open) Marshal.GetDelegateForFunctionPointer(function, typeof (gir_open));
function = GetProcAddress(_pluginDll, "gir_close");
_girClose = (gir_close) Marshal.GetDelegateForFunctionPointer(function, typeof (gir_close));
function = GetProcAddress(_pluginDll, "gir_command_gui");
if (function != IntPtr.Zero) // Optional.
_girCommandGui = (gir_command_gui) Marshal.GetDelegateForFunctionPointer(function, typeof (gir_command_gui));
function = GetProcAddress(_pluginDll, "gir_info");
if (function != IntPtr.Zero) // Optional.
_girInfo = (gir_info) Marshal.GetDelegateForFunctionPointer(function, typeof (gir_info));
function = GetProcAddress(_pluginDll, "gir_event");
if (function != IntPtr.Zero) // Optional.
_girEvent = (gir_event) Marshal.GetDelegateForFunctionPointer(function, typeof (gir_event));
function = GetProcAddress(_pluginDll, "gir_start");
if (function != IntPtr.Zero) // Optional.
_girStart = (gir_start) Marshal.GetDelegateForFunctionPointer(function, typeof (gir_start));
function = GetProcAddress(_pluginDll, "gir_stop");
if (function != IntPtr.Zero) // Optional.
_girStop = (gir_stop) Marshal.GetDelegateForFunctionPointer(function, typeof (gir_stop));
return true;
}
catch
{
FreeLibrary(_pluginDll);
}
return false;
}
private bool LoadGirderPlugin(string girderPluginFile)
{
string folder = Path.GetDirectoryName(girderPluginFile);
string parent = Directory.GetParent(folder).FullName;
SetDllDirectory(parent);
_pluginDll = LoadLibrary(girderPluginFile);
if (_pluginDll == IntPtr.Zero)
{
throw new InvalidOperationException(String.Format("Failed to call LoadLibrary on girder plugin dll ({0})",
girderPluginFile));
}
try
{
IntPtr function;
function = GetProcAddress(_pluginDll, "gir_version");
_girVersion = (gir_version)Marshal.GetDelegateForFunctionPointer(function, typeof(gir_version));
function = GetProcAddress(_pluginDll, "gir_name");
_girName = (gir_name)Marshal.GetDelegateForFunctionPointer(function, typeof(gir_name));
function = GetProcAddress(_pluginDll, "gir_description");
_girDescription = (gir_description)Marshal.GetDelegateForFunctionPointer(function, typeof(gir_description));
function = GetProcAddress(_pluginDll, "gir_devicenum");
_girDevicenum = (gir_devicenum)Marshal.GetDelegateForFunctionPointer(function, typeof(gir_devicenum));
function = GetProcAddress(_pluginDll, "gir_requested_api");
_girRequestedApi =
(gir_requested_api)Marshal.GetDelegateForFunctionPointer(function, typeof(gir_requested_api));
function = GetProcAddress(_pluginDll, "gir_open");
_girOpen = (gir_open)Marshal.GetDelegateForFunctionPointer(function, typeof(gir_open));
function = GetProcAddress(_pluginDll, "gir_close");
_girClose = (gir_close)Marshal.GetDelegateForFunctionPointer(function, typeof(gir_close));
function = GetProcAddress(_pluginDll, "gir_command_gui");
if (function != IntPtr.Zero) // Optional.
{
_girCommandGui = (gir_command_gui)Marshal.GetDelegateForFunctionPointer(function, typeof(gir_command_gui));
}
function = GetProcAddress(_pluginDll, "gir_info");
if (function != IntPtr.Zero) // Optional.
{
_girInfo = (gir_info)Marshal.GetDelegateForFunctionPointer(function, typeof(gir_info));
}
function = GetProcAddress(_pluginDll, "gir_event");
if (function != IntPtr.Zero) // Optional.
{
_girEvent = (gir_event)Marshal.GetDelegateForFunctionPointer(function, typeof(gir_event));
}
function = GetProcAddress(_pluginDll, "gir_start");
if (function != IntPtr.Zero) // Optional.
{
_girStart = (gir_start)Marshal.GetDelegateForFunctionPointer(function, typeof(gir_start));
}
function = GetProcAddress(_pluginDll, "gir_stop");
if (function != IntPtr.Zero) // Optional.
{
_girStop = (gir_stop)Marshal.GetDelegateForFunctionPointer(function, typeof(gir_stop));
}
return(true);
}
catch
{
FreeLibrary(_pluginDll);
}
return(false);
}