public ProgressFuncsWrapper(ProgressStartFunc start, ProgressUpdateFunc update, ProgressStopFunc stop)
{
managed_start = start;
if (managed_start != null)
NativeStartDelegate = new ProgressStartFuncNative (NativeStartCallback);
managed_update = update;
if (managed_update != null)
NativeUpdateDelegate = new ProgressUpdateFuncNative (NativeUpdateCallback);
managed_stop = stop;
if (managed_stop != null)
NativeStopDelegate = new ProgressStopFuncNative (NativeStopCallback);
}
public void SetProgressFuncs(ProgressStartFunc start_func, ProgressUpdateFunc update_func, ProgressStopFunc stop_func)
{
progress_funcs_wrapper = new ProgressFuncsWrapper (start_func, update_func, stop_func);
IntPtr data = IntPtr.Zero;
if (start_func != null || update_func != null || stop_func != null)
data = (IntPtr) GCHandle.Alloc (progress_funcs_wrapper);
gp_glue_context_set_progress_funcs (gluecontext,
progress_funcs_wrapper.NativeStartDelegate,
progress_funcs_wrapper.NativeUpdateDelegate,
progress_funcs_wrapper.NativeStopDelegate,
data);
}