commit b5a04332312d1431e8e94575c7b2df4dae8dd770
author Phil Krylov <phil@newstar.rinet.ru> Thu Jul 21 11:28:39 2005 +0000
committer Alexandre Julliard <julliard@winehq.org> Thu Jul 21 11:28:39 2005 +0000
tree c11a269fe09b468989df38c3572ba09dd6c608ef
parent b676b622409a1cbfde65c75577570125c1865583

Allow NULL parameter for WM_SETTEXT in RichEdit.

dlls/riched20/editor.c

diff --git a/dlls/riched20/editor.c b/dlls/riched20/editor.c
index b98ded0..c56cb26 100644
--- a/dlls/riched20/editor.c
+++ b/dlls/riched20/editor.c
@@ -1180,12 +1180,21 @@
   }
   case WM_SETTEXT:
   {
-    LPWSTR wszText = ME_ToUnicode(hWnd, (void *)lParam);
-    TRACE("WM_SETTEXT - %s\n", (char *)(wszText)); /* debugstr_w() */
     ME_InternalDeleteText(editor, 0, ME_GetTextLength(editor));
-    /* uses default style! */
-    ME_InsertTextFromCursor(editor, 0, wszText, -1, editor->pBuffer->pDefaultStyle);
-    ME_EndToUnicode(hWnd, wszText);
+    if (lParam)
+    {
+      LPWSTR wszText = ME_ToUnicode(hWnd, (void *)lParam);
+      TRACE("WM_SETTEXT lParam==%lx\n",lParam);
+      TRACE("WM_SETTEXT - %s\n", debugstr_w(wszText)); /* debugstr_w() */
+      if (lstrlenW(wszText) > 0)
+      {
+        /* uses default style! */
+        ME_InsertTextFromCursor(editor, 0, wszText, -1, editor->pBuffer->pDefaultStyle);
+      }
+      ME_EndToUnicode(hWnd, wszText);
+    }
+    else
+      TRACE("WM_SETTEXT - NULL\n");
     ME_CommitUndo(editor);
     ME_EmptyUndoStack(editor);
     ME_UpdateRepaint(editor);