diff --git a/SlnkDWFCom/ImageConvert.cpp b/SlnkDWFCom/ImageConvert.cpp
index 9cc9293..57ba960 100644
--- a/SlnkDWFCom/ImageConvert.cpp
+++ b/SlnkDWFCom/ImageConvert.cpp
@@ -168,9 +168,14 @@ STDMETHODIMP CImageConvert::SaveAs(BSTR IMGPath)
 		}
 
 		// mode 1 for fast (nearest pixel) method, or 2 for accurate (bicubic spline interpolation) method.
-		if (!m_image.Resample(m_width, m_height, /*mode*/ 2))
-			return myAtlReportError (GetObjectCLSID(), "Error resizing to w=%d, h=%d\n%s",
-					m_height, m_width, m_image.GetLastError());
+//		if (!m_image.Resample(m_width, m_height, /*mode*/ 2))
+//			return myAtlReportError (GetObjectCLSID(), "Error resizing to w=%d, h=%d\n%s",
+//					m_height, m_width, m_image.GetLastError());
+
+		// Die IM_GAUSSIAN wordt alleen gebruikt bij vergroten wat wij nooit doen eigenlijk
+		if (!m_image.Resample2(m_width, m_height, /*mode*/ CxImage::IM_GAUSSIAN))
+			return myAtlReportError(GetObjectCLSID(), "Error resizing to w=%d, h=%d\n%s",
+				m_height, m_width, m_image.GetLastError());
 	}
 
 	CString fileout(IMGPath);
diff --git a/SlnkDWFCom/SLNKDWF.idl b/SlnkDWFCom/SLNKDWF.idl
index fe04954..283406b 100644
--- a/SlnkDWFCom/SLNKDWF.idl
+++ b/SlnkDWFCom/SLNKDWF.idl
@@ -75,6 +75,8 @@ interface IWhipFile : IDispatch{
 	[propget, id(32), helpstring("property UnmatchedLabels")] HRESULT UnmatchedLabels([out, retval] BSTR* pUnmatched);
 	[propget, id(33), helpstring("property flags")] HRESULT flags([out, retval] LONG* pVal);
 	[propput, id(33), helpstring("property flags")] HRESULT flags([in] LONG newVal);
+	[propget, id(34), helpstring("property forcePlanColor")] HRESULT forcePlanColor([out, retval] LONG* pVal);
+	[propput, id(34), helpstring("property forcePlanColor")] HRESULT forcePlanColor([in] LONG newVal);
 };
 [
 	object,
diff --git a/SlnkDWFCom/SLNKDWFVersion.h b/SlnkDWFCom/SLNKDWFVersion.h
index c918579..8feeb07 100644
--- a/SlnkDWFCom/SLNKDWFVersion.h
+++ b/SlnkDWFCom/SLNKDWFVersion.h
@@ -1,6 +1,6 @@
 // Zorg dat versies alfabetisch altijd op elkaar volgen!
 #define SLNK_MAJOR_VERSION 4
-#define SLNK_MINOR_VERSION 30
+#define SLNK_MINOR_VERSION 40
 #define SLNK_BUILD_VERSION 0
 
 // Define resource strings
diff --git a/SlnkDWFCom/WhipFile.cpp b/SlnkDWFCom/WhipFile.cpp
index b182e72..d65a9d4 100644
--- a/SlnkDWFCom/WhipFile.cpp
+++ b/SlnkDWFCom/WhipFile.cpp
@@ -91,6 +91,7 @@ CWhipFile::CWhipFile()
 	m_vdpi = 0;
 	m_builder_len = 0;
 	m_flags = 0;
+	m_forcePlan = FALSE;
 
 	// Predefine fixed symbols
 	// Merk op dat m_contunits hier nog gewoon de default identity matrix is
@@ -820,6 +821,14 @@ HRESULT CWhipFile::SerializePlan(WT_File & my_plan_file, myWT_File & my_file, do
 	CString last_layer;
 	m_activeLayerName = ""; // reset
 
+	WT_Color planclr(m_forcePlanColor >> 16, (m_forcePlanColor & 0xff00) >> 8, m_forcePlanColor & 0xff);
+
+	if (m_forcePlan) // plattegrond grijzig maken
+	{
+		my_file.desired_rendition().color() = my_file.rendition().color() = planclr;
+		planclr.serialize(my_file);
+	}
+
 	while ((result = my_plan_file.process_next_object()) == WT_Result::Success)
     {
         switch(my_plan_file.current_object()->object_type())
@@ -831,6 +840,11 @@ HRESULT CWhipFile::SerializePlan(WT_File & my_plan_file, myWT_File & my_file, do
 					GenerateContouren(my_plan_file, my_file, scale, true); // Alle 'solid' kleuren
 					comment(my_file, "== Contouren end (solid=true)");
 					firstDrawable = false;
+					if (m_forcePlan) // plattegrond (opnieuw) grijzig maken
+					{
+						my_file.desired_rendition().color() = my_file.rendition().color() = planclr;
+						planclr.serialize(my_file);
+					}
 				}
 				if (my_plan_file.current_object()->object_id() == WT_Object::Origin_ID
 					&& !my_file.heuristics().allow_binary_data()
@@ -886,7 +900,8 @@ HRESULT CWhipFile::SerializePlan(WT_File & my_plan_file, myWT_File & my_file, do
 						}
 						case WT_Object::Color_ID:
 						{
-							my_file.desired_rendition().color() = *((WT_Color *)obj);
+							if (!m_forcePlan) // gewoon originele kleur
+								my_file.desired_rendition().color() = *((WT_Color *)obj);
 							break;
 						}
 						case WT_Object::Font_ID:
@@ -1728,3 +1743,18 @@ STDMETHODIMP CWhipFile::get_UnmatchedLabels(BSTR* pUnmatched)
 	(*pUnmatched) = result.AllocSysString();
 	return S_OK;
 }
+
+STDMETHODIMP CWhipFile::get_forcePlanColor(LONG* pVal)
+{
+	(*pVal) = m_forcePlanColor;
+
+	return S_OK;
+}
+
+STDMETHODIMP CWhipFile::put_forcePlanColor(LONG newVal)
+{
+	m_forcePlanColor = newVal;
+	m_forcePlan = TRUE;
+
+	return S_OK;
+}
diff --git a/SlnkDWFCom/WhipFile.h b/SlnkDWFCom/WhipFile.h
index 8c943ac..f1a7372 100644
--- a/SlnkDWFCom/WhipFile.h
+++ b/SlnkDWFCom/WhipFile.h
@@ -92,6 +92,7 @@ private:
 	myWT_File m_W2DFile;
 	long m_vdpi;
 	WT_View m_view; // Initial view
+	COLORREF m_forcePlanColor; BOOL m_forcePlan;
 
 	WT_Logical_Point m_builder[MAX_BUILDER+1]; // om lijnstukken aan elkaar te plakken. 1000 lijkt me genoeg
 	int m_builder_len;
@@ -132,6 +133,8 @@ public:
 	STDMETHOD(put_flags)(LONG newVal);
 	STDMETHOD(get_vectorDpi)(LONG* pVal);
 	STDMETHOD(get_DwgLimits)(IBoundingBox** pVal);
+	STDMETHOD(get_forcePlanColor)(LONG* pVal);
+	STDMETHOD(put_forcePlanColor)(LONG newVal);
 
 // Voorheen WhipFileState
 public:
diff --git a/historie.txt b/historie.txt
index 218e346..4c71d9f 100644
--- a/historie.txt
+++ b/historie.txt
@@ -1,6 +1,11 @@
+V4.30 23-08-2022
+  - Visual Studio 2022
+  - SZDB#82496 plaatjes verkleinen met Resample2 ipv. Resample
+  - CIZN#82871 tekeningen met zwarte lijnen forceren (whipfile.forcePlanColor)
+
 V4.30 23-08-2022
 ZLMV#78395 Whip2DC ook correctie voor niet orthogonale Units
-           Whip2PNG.flags en Whipfile.flags ingevoerd. Bitje +1 om bovenstaande te activeren
+           Whip2PNG.flags en Whipfile.flags ingevoerd. Whip2PNG.flags bitje +1 om bovenstaande te activeren
 
 V4.29 30-01-2023
 BLOS#76236 ArchiCad - ook Whip2DC z-coördinaat correctie van LUDE#30224 laten doen
diff --git a/signDLL.bat b/signDLL.bat
new file mode 100644
index 0000000..e42d3f3
--- /dev/null
+++ b/signDLL.bat
@@ -0,0 +1,6 @@
+if x%2==x GOTO bad
+"c:\Program Files (x86)\Windows Kits\10\App Certification Kit\signtool.exe" sign /fd sha256 /f ".\code_sign_aareonnl.pfx" /p %1 /d "Facilitor SLNKDWF" /du https://aareon.nl /t http://timestamp.digicert.com %2
+GOTO end
+:bad
+ECHO Usage: %0 wachtwoord arxfile
+:end
\ No newline at end of file