seems working

build/Release64/Pd_Chunks-test/Pd_Chunks-test.pd

@@ -1,4 +1,4 @@
-#N canvas 0 265 595 358 12;
+#N canvas 0 265 818 358 12;
 #X obj 78 87 adc~, f 6;
 #X obj 73 241 loadbang;
 #X msg 73 271 \; pd dsp 1 \;;
@@ -13,10 +13,11 @@
 #X obj 242 263 dbtorms;
 #X obj 242 290 s gain;
 #X obj 300 225 s svstparameter0;
-#X obj 277 75 vsl 50 128 0 1 0 0 empty empty empty 0 -9 0 10 -262144
--1 -1 0 1;
+#X obj 277 75 vsl 50 128 0 1 0 0 empty empty empty 0 -9 0 10 #fcfcfc #000000 #000000 0 1;
 #X msg 277 42 set \$1;
 #X text 355 117 range is 0..1;
+#X obj 498 10 r rvstplugname;
+#X symbolatom 498 48 17 0 0 0 - - - 0;
 #X connect 0 0 7 0;
 #X connect 0 1 6 0;
 #X connect 1 0 2 0;
@@ -33,3 +34,4 @@
 #X connect 14 0 13 0;
 #X connect 14 0 10 0;
 #X connect 15 0 14 0;
+#X connect 17 0 18 0;

vst-template/pdvst.cpp

@@ -227,6 +227,7 @@ pdvst::pdvst(audioMasterCallback audioMaster)
     timeFromStartup=GetTickCount();
     //  JYG  }
     programsAreChunks(true);
+    sendPlugName(globalPluginName);
 }
 
 pdvst::~pdvst()
@@ -610,6 +611,15 @@ VstInt32 pdvst::getChunk (void** data, bool isPreset)
 
 VstInt32 pdvst::setChunk (void* data, VstInt32 byteSize, bool isPreset)
 {
+
+    WaitForSingleObject(pdvstTransferMutex, 10);
+    {
+        pdvstData->datachunk.direction = PD_RECEIVE;
+        pdvstData->datachunk.type = STRING_TYPE;
+        strcpy(pdvstData->datachunk.value.stringData,(char *)data);
+        pdvstData->datachunk.updated = 1;
+        ReleaseMutex(pdvstTransferMutex);
+    }
 	MessageBox(0,"setchunk","debug",MB_OK);
     debugLog("setchunk: %s", data);
     return 1;

vst-template/pdvstTransfer.h

@@ -121,6 +121,7 @@ typedef struct _pdvstTransferData
     pdvstMidiMessage midiQueue[MAXMIDIQUEUESIZE];
 	pdvstParameter guiState;
 	pdvstParameter plugName;  // transmitted by host
+    pdvstParameter datachunk;  // get/set chunk from .fxp file
 	pdvstParameter guiName;   // transmitted by pd : name of gui window to be embedded
  //   #ifdef VSTMIDIOUTENABLE
     int midiOutQueueSize;