diff --git a/ChangeLog b/ChangeLog
index 6c38939ca5..ca36e8411b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2004-03-15  Tor Lillqvist  <tml@iki.fi>
+
+	* gdk/win32/gdkgc-win32.c (gdk_gc_copy): Don't just copy the whole
+	GdkGCWin32 with a single assignment, that overwrites GObject's
+	private data (for instance ref_count). (#137012, John Ehresman)
+
 2004-03-13  Tor Lillqvist  <tml@iki.fi>
 
 	* gdk/win32/gdkdrawable-win32.c (draw_polygon): When drawing
diff --git a/ChangeLog.pre-2-10 b/ChangeLog.pre-2-10
index 6c38939ca5..ca36e8411b 100644
--- a/ChangeLog.pre-2-10
+++ b/ChangeLog.pre-2-10
@@ -1,3 +1,9 @@
+2004-03-15  Tor Lillqvist  <tml@iki.fi>
+
+	* gdk/win32/gdkgc-win32.c (gdk_gc_copy): Don't just copy the whole
+	GdkGCWin32 with a single assignment, that overwrites GObject's
+	private data (for instance ref_count). (#137012, John Ehresman)
+
 2004-03-13  Tor Lillqvist  <tml@iki.fi>
 
 	* gdk/win32/gdkdrawable-win32.c (draw_polygon): When drawing
diff --git a/ChangeLog.pre-2-4 b/ChangeLog.pre-2-4
index 6c38939ca5..ca36e8411b 100644
--- a/ChangeLog.pre-2-4
+++ b/ChangeLog.pre-2-4
@@ -1,3 +1,9 @@
+2004-03-15  Tor Lillqvist  <tml@iki.fi>
+
+	* gdk/win32/gdkgc-win32.c (gdk_gc_copy): Don't just copy the whole
+	GdkGCWin32 with a single assignment, that overwrites GObject's
+	private data (for instance ref_count). (#137012, John Ehresman)
+
 2004-03-13  Tor Lillqvist  <tml@iki.fi>
 
 	* gdk/win32/gdkdrawable-win32.c (draw_polygon): When drawing
diff --git a/ChangeLog.pre-2-6 b/ChangeLog.pre-2-6
index 6c38939ca5..ca36e8411b 100644
--- a/ChangeLog.pre-2-6
+++ b/ChangeLog.pre-2-6
@@ -1,3 +1,9 @@
+2004-03-15  Tor Lillqvist  <tml@iki.fi>
+
+	* gdk/win32/gdkgc-win32.c (gdk_gc_copy): Don't just copy the whole
+	GdkGCWin32 with a single assignment, that overwrites GObject's
+	private data (for instance ref_count). (#137012, John Ehresman)
+
 2004-03-13  Tor Lillqvist  <tml@iki.fi>
 
 	* gdk/win32/gdkdrawable-win32.c (draw_polygon): When drawing
diff --git a/ChangeLog.pre-2-8 b/ChangeLog.pre-2-8
index 6c38939ca5..ca36e8411b 100644
--- a/ChangeLog.pre-2-8
+++ b/ChangeLog.pre-2-8
@@ -1,3 +1,9 @@
+2004-03-15  Tor Lillqvist  <tml@iki.fi>
+
+	* gdk/win32/gdkgc-win32.c (gdk_gc_copy): Don't just copy the whole
+	GdkGCWin32 with a single assignment, that overwrites GObject's
+	private data (for instance ref_count). (#137012, John Ehresman)
+
 2004-03-13  Tor Lillqvist  <tml@iki.fi>
 
 	* gdk/win32/gdkdrawable-win32.c (draw_polygon): When drawing
diff --git a/gdk/win32/gdkgc-win32.c b/gdk/win32/gdkgc-win32.c
index 8192f73375..eccb6670f5 100644
--- a/gdk/win32/gdkgc-win32.c
+++ b/gdk/win32/gdkgc-win32.c
@@ -703,12 +703,15 @@ gdk_gc_copy (GdkGC *dst_gc,
   if (dst_win32_gc->pen_dashes)
     g_free (dst_win32_gc->pen_dashes);
   
-  *dst_win32_gc = *src_win32_gc;
-  dst_win32_gc->hdc = NULL;
-
+  dst_gc->clip_x_origin = src_gc->clip_x_origin;
+  dst_gc->clip_y_origin = src_gc->clip_y_origin;
+  dst_gc->ts_x_origin = src_gc->ts_x_origin;
+  dst_gc->ts_y_origin = src_gc->ts_y_origin;
+  dst_gc->colormap = src_gc->colormap;
   if (dst_gc->colormap)
     g_object_ref (G_OBJECT (dst_gc->colormap));
 
+  dst_win32_gc->hcliprgn = src_win32_gc->hcliprgn;
   if (dst_win32_gc->hcliprgn)
     {
       /* create a new region, to copy to */
@@ -718,18 +721,38 @@ gdk_gc_copy (GdkGC *dst_gc,
 		  NULL, RGN_COPY);
     }
 
+  dst_win32_gc->values_mask = src_win32_gc->values_mask; 
+  dst_win32_gc->foreground = src_win32_gc->foreground;
+  dst_win32_gc->background = src_win32_gc->background;
+  dst_win32_gc->font = src_win32_gc->font;
   if (dst_win32_gc->font != NULL)
     gdk_font_ref (dst_win32_gc->font);
 
+  dst_win32_gc->rop2 = src_win32_gc->rop2;
+  dst_win32_gc->fill_style = src_win32_gc->fill_style;
+  dst_win32_gc->tile = src_win32_gc->tile;
   if (dst_win32_gc->tile != NULL)
     g_object_ref (dst_win32_gc->tile);
 
+  dst_win32_gc->stipple = src_win32_gc->stipple;
   if (dst_win32_gc->stipple != NULL)
     g_object_ref (dst_win32_gc->stipple);
 
+  dst_win32_gc->subwindow_mode = src_win32_gc->subwindow_mode;
+  dst_win32_gc->graphics_exposures = src_win32_gc->graphics_exposures;
+  dst_win32_gc->pen_width = src_win32_gc->pen_width;
+  dst_win32_gc->pen_style = src_win32_gc->pen_style;
+  dst_win32_gc->pen_dashes = src_win32_gc->pen_dashes;
   if (dst_win32_gc->pen_dashes)
     dst_win32_gc->pen_dashes = g_memdup (src_win32_gc->pen_dashes, 
                                          sizeof (DWORD) * src_win32_gc->pen_num_dashes);
+  dst_win32_gc->pen_num_dashes = src_win32_gc->pen_num_dashes;
+
+
+  dst_win32_gc->hdc = NULL;
+  dst_win32_gc->saved_dc = FALSE;
+  dst_win32_gc->hwnd = NULL;
+  dst_win32_gc->holdpal = NULL;
 }
 
 GdkScreen *