diff --git a/fxbarcode/BC_Writer.cpp b/fxbarcode/BC_Writer.cpp
index 2eade2d..b57c987 100644
--- a/fxbarcode/BC_Writer.cpp
+++ b/fxbarcode/BC_Writer.cpp
@@ -10,9 +10,8 @@
 
 CBC_Writer::~CBC_Writer() = default;
 
-bool CBC_Writer::SetCharEncoding(BC_CHAR_ENCODING encoding) {
+void CBC_Writer::SetCharEncoding(BC_CHAR_ENCODING encoding) {
   m_CharEncoding = encoding;
-  return true;
 }
 
 bool CBC_Writer::SetModuleHeight(int32_t moduleHeight) {
@@ -31,14 +30,12 @@
   return true;
 }
 
-bool CBC_Writer::SetHeight(int32_t height) {
+void CBC_Writer::SetHeight(int32_t height) {
   m_Height = height;
-  return true;
 }
 
-bool CBC_Writer::SetWidth(int32_t width) {
+void CBC_Writer::SetWidth(int32_t width) {
   m_Width = width;
-  return true;
 }
 
 void CBC_Writer::SetTextLocation(BC_TEXT_LOC location) {}
diff --git a/fxbarcode/BC_Writer.h b/fxbarcode/BC_Writer.h
index 08b3e99..134662e 100644
--- a/fxbarcode/BC_Writer.h
+++ b/fxbarcode/BC_Writer.h
@@ -15,11 +15,11 @@
   CBC_Writer();
   virtual ~CBC_Writer();
 
-  bool SetCharEncoding(BC_CHAR_ENCODING encoding);
+  void SetCharEncoding(BC_CHAR_ENCODING encoding);
   bool SetModuleHeight(int32_t moduleHeight);
   bool SetModuleWidth(int32_t moduleWidth);
-  bool SetHeight(int32_t height);
-  bool SetWidth(int32_t width);
+  void SetHeight(int32_t height);
+  void SetWidth(int32_t width);
 
   virtual void SetTextLocation(BC_TEXT_LOC location);
   virtual bool SetWideNarrowRatio(int8_t ratio);
diff --git a/fxbarcode/cbc_codebase.cpp b/fxbarcode/cbc_codebase.cpp
index 7f408f3..61c0429 100644
--- a/fxbarcode/cbc_codebase.cpp
+++ b/fxbarcode/cbc_codebase.cpp
@@ -50,8 +50,8 @@
   return m_pBCWriter->SetErrorCorrectionLevel(level);
 }
 
-bool CBC_CodeBase::SetCharEncoding(BC_CHAR_ENCODING encoding) {
-  return m_pBCWriter->SetCharEncoding(encoding);
+void CBC_CodeBase::SetCharEncoding(BC_CHAR_ENCODING encoding) {
+  m_pBCWriter->SetCharEncoding(encoding);
 }
 
 bool CBC_CodeBase::SetModuleHeight(int32_t moduleHeight) {
@@ -62,10 +62,10 @@
   return m_pBCWriter->SetModuleWidth(moduleWidth);
 }
 
-bool CBC_CodeBase::SetHeight(int32_t height) {
+void CBC_CodeBase::SetHeight(int32_t height) {
   return m_pBCWriter->SetHeight(height);
 }
 
-bool CBC_CodeBase::SetWidth(int32_t width) {
+void CBC_CodeBase::SetWidth(int32_t width) {
   return m_pBCWriter->SetWidth(width);
 }
diff --git a/fxbarcode/cbc_codebase.h b/fxbarcode/cbc_codebase.h
index cbe53b7..faafed8 100644
--- a/fxbarcode/cbc_codebase.h
+++ b/fxbarcode/cbc_codebase.h
@@ -34,11 +34,11 @@
   bool SetStartChar(char start);
   bool SetEndChar(char end);
   bool SetErrorCorrectionLevel(int32_t level);
-  bool SetCharEncoding(BC_CHAR_ENCODING encoding);
+  void SetCharEncoding(BC_CHAR_ENCODING encoding);
   bool SetModuleHeight(int32_t moduleHeight);
   bool SetModuleWidth(int32_t moduleWidth);
-  bool SetHeight(int32_t height);
-  bool SetWidth(int32_t width);
+  void SetHeight(int32_t height);
+  void SetWidth(int32_t width);
 
  protected:
   std::unique_ptr<CBC_Writer> m_pBCWriter;
diff --git a/fxbarcode/cfx_barcode.cpp b/fxbarcode/cfx_barcode.cpp
index e7abebd..a1c1a58 100644
--- a/fxbarcode/cfx_barcode.cpp
+++ b/fxbarcode/cfx_barcode.cpp
@@ -70,8 +70,9 @@
   return m_pBCEngine ? m_pBCEngine->GetType() : BC_TYPE::kUnknown;
 }
 
-bool CFX_Barcode::SetCharEncoding(BC_CHAR_ENCODING encoding) {
-  return m_pBCEngine && m_pBCEngine->SetCharEncoding(encoding);
+void CFX_Barcode::SetCharEncoding(BC_CHAR_ENCODING encoding) {
+  if (m_pBCEngine)
+    m_pBCEngine->SetCharEncoding(encoding);
 }
 
 bool CFX_Barcode::SetModuleHeight(int32_t moduleHeight) {
@@ -82,12 +83,14 @@
   return m_pBCEngine && m_pBCEngine->SetModuleWidth(moduleWidth);
 }
 
-bool CFX_Barcode::SetHeight(int32_t height) {
-  return m_pBCEngine && m_pBCEngine->SetHeight(height);
+void CFX_Barcode::SetHeight(int32_t height) {
+  if (m_pBCEngine)
+    m_pBCEngine->SetHeight(height);
 }
 
-bool CFX_Barcode::SetWidth(int32_t width) {
-  return m_pBCEngine && m_pBCEngine->SetWidth(width);
+void CFX_Barcode::SetWidth(int32_t width) {
+  if (m_pBCEngine)
+    m_pBCEngine->SetWidth(width);
 }
 
 bool CFX_Barcode::SetPrintChecksum(bool checksum) {
diff --git a/fxbarcode/cfx_barcode.h b/fxbarcode/cfx_barcode.h
index 5ff8a89..763ecac 100644
--- a/fxbarcode/cfx_barcode.h
+++ b/fxbarcode/cfx_barcode.h
@@ -30,13 +30,11 @@
 
   bool RenderDevice(CFX_RenderDevice* device, const CFX_Matrix& matrix);
 
-  bool SetCharEncoding(BC_CHAR_ENCODING encoding);
-
+  void SetCharEncoding(BC_CHAR_ENCODING encoding);
   bool SetModuleHeight(int32_t moduleHeight);
   bool SetModuleWidth(int32_t moduleWidth);
-
-  bool SetHeight(int32_t height);
-  bool SetWidth(int32_t width);
+  void SetHeight(int32_t height);
+  void SetWidth(int32_t width);
 
   bool SetPrintChecksum(bool checksum);
   bool SetDataLength(int32_t length);