Use standard bitmap button.

pcbnew/dialogs/dialog_plot.cpp

@@ -154,15 +154,15 @@ DIALOG_PLOT::DIALOG_PLOT( PCB_EDIT_FRAME* aParent ) :
 	wxBoxSizer* bButtonSizer;
 	bButtonSizer = new wxBoxSizer( wxHORIZONTAL );
 
-	m_bpMoveUp = new wxBitmapButton( sbSizer->GetStaticBox(), wxID_ANY, wxNullBitmap,
-                                     wxDefaultPosition, wxDefaultSize, wxBU_AUTODRAW | 0 );
+	m_bpMoveUp = new STD_BITMAP_BUTTON( sbSizer->GetStaticBox(), wxID_ANY, wxNullBitmap,
+                                        wxDefaultPosition, wxDefaultSize, wxBU_AUTODRAW | 0 );
 	m_bpMoveUp->SetToolTip( _( "Move current selection up" ) );
     m_bpMoveUp->SetBitmap( KiBitmap( BITMAPS::small_up ) );
 
 	bButtonSizer->Add( m_bpMoveUp, 0, wxALIGN_CENTER_VERTICAL | wxRIGHT, 5 );
 
-	m_bpMoveDown = new wxBitmapButton( sbSizer->GetStaticBox(), wxID_ANY, wxNullBitmap,
-                                       wxDefaultPosition, wxDefaultSize, wxBU_AUTODRAW | 0 );
+	m_bpMoveDown = new STD_BITMAP_BUTTON( sbSizer->GetStaticBox(), wxID_ANY, wxNullBitmap,
+                                          wxDefaultPosition, wxDefaultSize, wxBU_AUTODRAW | 0 );
 	m_bpMoveDown->SetToolTip( _( "Move current selection down" ) );
     m_bpMoveDown->SetBitmap( KiBitmap( BITMAPS::small_down ) );
 

pcbnew/dialogs/dialog_plot.h

@@ -1,7 +1,7 @@
 /*
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
- * Copyright (C) 1992-2022 KiCad Developers, see AUTHORS.txt for contributors.
+ * Copyright (C) 1992-2023 KiCad Developers, see AUTHORS.txt for contributors.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -96,8 +96,8 @@ private:
     PCB_PLOT_PARAMS     m_plotOpts;
 
     wxRearrangeList*    m_plotAllLayersList;
-    wxBitmapButton*     m_bpMoveUp;
-    wxBitmapButton*     m_bpMoveDown;
+    STD_BITMAP_BUTTON*  m_bpMoveUp;
+    STD_BITMAP_BUTTON*  m_bpMoveDown;
 
     /// The plot layer set that last time the dialog was opened.
     static LSET         m_lastLayerSet;