diff --git a/uppsrc/ide/Debuggers/Code.cpp b/uppsrc/ide/Debuggers/Code.cpp
index 40b717ea5..331ed9f64 100644
--- a/uppsrc/ide/Debuggers/Code.cpp
+++ b/uppsrc/ide/Debuggers/Code.cpp
@@ -84,7 +84,7 @@ void Pdb::Sync0()
 			for(int i = 0; i < f.param.GetCount(); i++) {
 				if(i)
 					r << ", ";
-				r << f.param.GetKey(i) << "=" << Visualise(f.param[i], 30).GetString();
+				r << f.param.GetKey(i) << "=" << Visualise(f.param[i]).GetString();
 			}
 			r << ')';
 			if(c < 0)
diff --git a/uppsrc/ide/Debuggers/Data.cpp b/uppsrc/ide/Debuggers/Data.cpp
index 397b24685..01dd2b536 100644
--- a/uppsrc/ide/Debuggers/Data.cpp
+++ b/uppsrc/ide/Debuggers/Data.cpp
@@ -186,7 +186,7 @@ void Pdb::TryAuto(const String& exp, const VectorMap<String, Value>& prev)
 		try {
 			CParser p(exp);
 			Val v = Exp(p);
-			Visualise(r, v, 2, 20);
+			Visualise(r, v, 2);
 		}
 		catch(CParser::Error) {
 			r.Clear();
diff --git a/uppsrc/ide/Debuggers/Pdb.h b/uppsrc/ide/Debuggers/Pdb.h
index 6ab80ce40..0c8aee4d3 100644
--- a/uppsrc/ide/Debuggers/Pdb.h
+++ b/uppsrc/ide/Debuggers/Pdb.h
@@ -268,9 +268,10 @@ struct Pdb : Debugger, ParentCtrl {
 	Val        Multiplicative(CParser& p);
 	Val        Exp0(CParser& p);
 	Val        Exp(CParser& p);
-	void       Visualise(Visual& result, Pdb::Val val, int expandptr, int slen, int maxlen = 250);
-	Visual     Visualise(Val v, int maxlen = 250);
-	Visual     Visualise(const String& rexp, int maxlen = 250);
+	void       Visualise(Visual& result, Pdb::Val val, int expandptr, int slen);
+	void       Visualise(Visual& result, Pdb::Val val, int expandptr);
+	Visual     Visualise(Val v);
+	Visual     Visualise(const String& rexp);
 
 // code
 	int        Disassemble(adr_t ip);
diff --git a/uppsrc/ide/Debuggers/Visualise.cpp b/uppsrc/ide/Debuggers/Visualise.cpp
index ffe77fb25..7d6221c72 100644
--- a/uppsrc/ide/Debuggers/Visualise.cpp
+++ b/uppsrc/ide/Debuggers/Visualise.cpp
@@ -48,8 +48,9 @@ bool IsOk(const String& q)
 	return true;
 }
 
-void Pdb::Visualise(Visual& result, Pdb::Val val, int expandptr, int slen, int maxlen)
+void Pdb::Visualise(Visual& result, Pdb::Val val, int expandptr, int slen)
 {
+	const int maxlen = 300;
 	if(result.length > maxlen)
 		return;
 	if(val.ref > 0 || val.type < 0)
@@ -62,7 +63,7 @@ void Pdb::Visualise(Visual& result, Pdb::Val val, int expandptr, int slen, int m
 			else {
 				String x = ReadString(val.address, slen + 1);
 				String dt;
-				if(x.GetLength() > (IsOk(x) ? slen : 20)) {
+				if(x.GetLength() > slen) {
 					x.Trim(x.GetLength() - 1);
 					dt = "..";
 				}
@@ -73,7 +74,7 @@ void Pdb::Visualise(Visual& result, Pdb::Val val, int expandptr, int slen, int m
 		}
 		if(expandptr > 0 && (val.type != UNKNOWN || val.ref > 1) && val.address) {
 			result.Cat("->", SColorMark);
-			Visualise(result, DeRef(val), expandptr - 1, slen, maxlen);
+			Visualise(result, DeRef(val), expandptr - 1, slen);
 		}
 		return;
 	}
@@ -126,7 +127,7 @@ void Pdb::Visualise(Visual& result, Pdb::Val val, int expandptr, int slen, int m
 		Val r = t.member[i];
 		r.address += val.address;
 		try {
-			Visualise(result, r, max(expandptr - 1, 0), 32, maxlen);
+			Visualise(result, r, max(expandptr - 1, 0), slen);
 		}
 		catch(CParser::Error e) {
 			result.Cat(e, SColorDisabled);
@@ -143,7 +144,7 @@ void Pdb::Visualise(Visual& result, Pdb::Val val, int expandptr, int slen, int m
 		result.Cat(t.static_member.GetKey(i));
 		result.Cat("=", SColorMark);
 		try {
-			Visualise(result, t.static_member[i], max(expandptr - 1, 0), 32, maxlen);
+			Visualise(result, t.static_member[i], max(expandptr - 1, 0), slen);
 		}
 		catch(CParser::Error e) {
 			result.Cat(e, SColorDisabled);
@@ -167,7 +168,7 @@ void Pdb::Visualise(Visual& result, Pdb::Val val, int expandptr, int slen, int m
 				Val r = t.member[i];
 				r.address += adr;
 				try {
-					Visualise(result, r, max(expandptr - 1, 0), 32, maxlen);
+					Visualise(result, r, max(expandptr - 1, 0), slen);
 				}
 				catch(CParser::Error e) {
 					result.Cat(e, SColorDisabled);
@@ -178,11 +179,33 @@ void Pdb::Visualise(Visual& result, Pdb::Val val, int expandptr, int slen, int m
 	result.Cat(" }", SColorMark);
 }
 
-Pdb::Visual Pdb::Visualise(Val v, int maxlen)
+void Pdb::Visualise(Visual& result, Pdb::Val val, int expandptr)
+{
+	int cx = autos.HeaderObject().GetTabWidth(1);
+	int l = 30;
+	int h = 300;
+	for(int i = 0; i < 8; i++) {
+		int slen = (l + h) / 2;
+		result.length = 0;
+		result.part.Clear();
+		Visualise(result, val, expandptr, slen);
+		int x = 0;
+		for(int i = 0; i < result.part.GetCount(); i++)
+			x += GetTextSize(result.part[i].text, StdFont()).cx;
+		if(x < cx)
+			l = slen;
+		else
+			h = slen;
+		if(l + 1 >= h)
+			break;
+	}	
+}
+
+Pdb::Visual Pdb::Visualise(Val v)
 {
 	Visual r;
 	try {
-		Visualise(r, v, 2, 150, maxlen);
+		Visualise(r, v, 2);
 	}
 	catch(CParser::Error e) {
 		r.Cat(e, SColorDisabled);
@@ -190,13 +213,13 @@ Pdb::Visual Pdb::Visualise(Val v, int maxlen)
 	return r;
 }
 
-Pdb::Visual Pdb::Visualise(const String& exp, int maxlen)
+Pdb::Visual Pdb::Visualise(const String& exp)
 {
 	Visual r;
 	try {
 		CParser p(exp);
 		Val v = Exp(p);
-		Visualise(r, v, 2, 150, maxlen);
+		Visualise(r, v, 2);
 	}
 	catch(CParser::Error e) {
 		r.Cat(e, SColorDisabled);