diff -Bbur ../../source/dc/doodle.c ./doodle.c
--- ../../source/dc/doodle.c	Sat Apr 26 22:36:10 1997
+++ ./doodle.c	Mon Dec 21 11:52:47 1998
@@ -10,6 +10,14 @@
 
 #include "doodle.h"
 
+/* this is the callback stuff from Callback.h by ian in O'Reilly's book */
+register void *reg_a4 asm("%a4");
+
+#define CALLBACK_PROLOGUE \
+void *save_a4 = reg_a4; asm("move.l %%a5,%%a4; sub.l #edata,%%a4" : :);
+
+#define CALLBACK_EPILOGUE reg_a4 = save_a4;
+
 /* Number of pixels allowed in a pen */
 #ifndef NPENPIX
 #define NPENPIX	32
@@ -63,6 +71,7 @@
 #define cmdSmoother	'>'
 
 #define cmdAbout	'a'
+#define cmdBeam		'b'
 #define cmdClear	'c'
 #define cmdFill		'f'
 #define cmdRemove	'r'
@@ -76,6 +85,11 @@
 ** PalmOS includes
 */
 #include <Pilot.h>
+#include <ExgMgr.h>
+
+#define displayAddr displayAddrV20
+#define PrefSetAppPreferences PrefSetAppPreferencesV10
+#define PrefGetAppPreferences PrefGetAppPreferencesV10
 
 /*
 ** Global data structure.
@@ -374,6 +388,51 @@
     FrmAlert(aboutDoodle);
     break;
 
+  case cmdBeam:
+    {
+      VoidHand t, t1;
+      VoidPtr px, p1;
+      Word err;
+      int xcnt,outhis;
+      ExgSocketType exgSocket;
+ 
+      SaveImage();
+
+      t = DmQueryRecord(d.dbR, p.dbI);
+      px = MemHandleLock(t);
+
+      t1 = MemHandleNew(64);
+      p1 = MemHandleLock(t1);
+      StrCopy(p1,"Doodle Image");
+
+      MemSet(&exgSocket, sizeof(exgSocket), 0);
+      exgSocket.description = p1;
+      exgSocket.name = "doodle.xxx";
+      exgSocket.length = 3200;
+      exgSocket.target = AppType;
+
+      err = ExgPut(&exgSocket);
+
+      if( !err ) {
+	xcnt = 0;
+	while( xcnt < 3200 ) {
+	  outhis = ExgSend(&exgSocket, px, 3200 - xcnt, &err);
+	  if( err ) break;
+	  xcnt += outhis;
+	  px += outhis;
+	}
+
+	ExgDisconnect(&exgSocket, err);
+      }
+      
+      MemHandleUnlock(t);
+      MemHandleUnlock(t1);
+      MemHandleFree(t1);
+
+    }
+
+    break;
+
   case cmdTitle:
     SaveImage();
     FrmGotoForm(p.formID == formDoodle ? formTDoodle : formDoodle);
@@ -673,6 +732,64 @@
     */
     PrefSetAppPreferences(AppType, AppVersion, &p, sizeof(p));
     DmCloseDatabase(d.dbR);
+
+  }
+  else if (cmd == sysAppLaunchCmdExgAskUser) {
+    ExgAskParamPtr exgP = (ExgAskParamPtr) cmdPBP;
+    exgP->result = exgAskOk; /* Dialog, Ok, Cancel */
+  }
+  else if (cmd == sysAppLaunchCmdExgReceiveData)      {
+    DmOpenRef dbP;
+    ExgSocketPtr exgSocketP = (ExgSocketPtr) cmdPBP;
+    UInt index = 65535;
+    VoidHand t;
+    VoidPtr px;
+    unsigned char buf[160];
+    int xcnt, inthis, incnt;
+
+    if (!(launchFlags & sysAppLaunchFlagSubCall))
+      dbP = DmOpenDatabaseByTypeCreator(DBType, AppType, dmModeReadWrite);
+    else {
+      CALLBACK_PROLOGUE
+      dbP = d.dbR;
+      CALLBACK_EPILOGUE
+      }
+
+    if (dbP == NULL) return 0;
+
+    err = ExgAccept(exgSocketP);
+
+    if (err) return err;
+
+    t = DmNewRecord(dbP, &index, 3200);
+    px = MemHandleLock(t);
+
+    DmSet(px, 0, 3200, 0);
+    xcnt = 0;
+    while( xcnt < 20 ) {
+      incnt = 0;
+      while( incnt < 160 ) {
+	inthis = ExgReceive(exgSocketP, &buf[incnt], 160-incnt, &err);
+	if( err ) break;
+	incnt += inthis;
+      }
+
+      DmWrite(px,160*xcnt++,buf,160);
+    }
+    MemHandleUnlock(t);
+    DmReleaseRecord(dbP, index, true);
+
+    ExgDisconnect(exgSocketP, err);
+
+    if (!(launchFlags & sysAppLaunchFlagSubCall))
+      err = DmCloseDatabase(dbP);
+    else {
+      CALLBACK_PROLOGUE
+      p.dbI = DmNumRecords(dbP) - 1;
+      LoadImage();
+      LabelImage();
+      CALLBACK_EPILOGUE
+      }
   }
 
   return 0;
Binary files ../../source/dc/doodle.prc and ./doodle.prc differ
diff -Bbur ../../source/dc/doodle.rcp ./doodle.rcp
--- ../../source/dc/doodle.rcp	Fri Apr 25 23:00:52 1997
+++ ./doodle.rcp	Fri Dec 18 11:56:51 1998
@@ -23,6 +23,7 @@
 BEGIN
     PULLDOWN "Page"
     BEGIN
+	MENUITEM "Beam"		3098	"b"
 	MENUITEM "Clear"	3099	"c"
 	MENUITEM "Fill"		3102	"f"
 	MENUITEM "New"		3110	"n"