diff --git a/programs/regedit/hexedit.c b/programs/regedit/hexedit.c
index ddf6b09b7cf..103a062306e 100644
--- a/programs/regedit/hexedit.c
+++ b/programs/regedit/hexedit.c
@@ -58,7 +58,7 @@ const WCHAR szHexEditClass[] = {'H','e','x','E','d','i','t',0};
 
 static inline LRESULT HexEdit_SetFont (HEXEDIT_INFO *infoPtr, HFONT hFont, BOOL redraw);
 
-static inline BYTE hexchar_to_byte(TCHAR ch)
+static inline BYTE hexchar_to_byte(WCHAR ch)
 {
     if (ch >= '0' && ch <= '9')
         return ch - '0';
@@ -70,17 +70,19 @@ static inline BYTE hexchar_to_byte(TCHAR ch)
         return -1;
 }
 
-static LPTSTR HexEdit_GetLineText(BYTE *pData, LONG cbData, LONG pad)
+static LPWSTR HexEdit_GetLineText(BYTE *pData, LONG cbData, LONG pad)
 {
-    LPTSTR lpszLine = HeapAlloc(GetProcessHeap(), 0,
-        (cbData * 3 + pad * 3 + DIV_SPACES + cbData + 1) * sizeof(TCHAR));
+    static const WCHAR percent_02xW[] = {'%','0','2','X',' ',0};
+
+    LPWSTR lpszLine = HeapAlloc(GetProcessHeap(), 0,
+        (cbData * 3 + pad * 3 + DIV_SPACES + cbData + 1) * sizeof(WCHAR));
     LONG i;
 
     if (!lpszLine)
         return NULL;
 
     for (i = 0; i < cbData; i++)
-        wsprintf(lpszLine + i*3, TEXT("%02X "), pData[i]);
+        wsprintfW(lpszLine + i*3, percent_02xW, pData[i]);
     for (i = 0; i < pad * 3; i++)
         lpszLine[cbData * 3 + i] = ' ';
 
@@ -117,7 +119,7 @@ HexEdit_Paint(HEXEDIT_INFO *infoPtr)
     nXStart = GetSystemMetrics(SM_CXBORDER);
     nYStart = GetSystemMetrics(SM_CYBORDER);
 
-    if (GetWindowLong(infoPtr->hwndSelf, GWL_STYLE) & WS_DISABLED)
+    if (GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & WS_DISABLED)
         clrOldText = SetTextColor(hdc, GetSysColor(COLOR_GRAYTEXT));
     else
         clrOldText = SetTextColor(hdc, GetSysColor(COLOR_WINDOWTEXT));
@@ -127,14 +129,14 @@ HexEdit_Paint(HEXEDIT_INFO *infoPtr)
         
     for (pData = infoPtr->pData + lByteOffset; pData < infoPtr->pData + infoPtr->cbData; pData += infoPtr->nBytesPerLine)
     {
-        LPTSTR lpszLine;
+        LPWSTR lpszLine;
         LONG nLineLen = min((LONG)((infoPtr->pData + infoPtr->cbData) - pData),
             infoPtr->nBytesPerLine);
 
         lpszLine = HexEdit_GetLineText(pData, nLineLen, infoPtr->nBytesPerLine - nLineLen);
 
         /* FIXME: draw hex <-> ASCII mapping highlighted? */
-        TextOut(hdc, nXStart, nYStart, lpszLine, infoPtr->nBytesPerLine * 3 + DIV_SPACES + nLineLen);
+        TextOutW(hdc, nXStart, nYStart, lpszLine, infoPtr->nBytesPerLine * 3 + DIV_SPACES + nLineLen);
 
         nYStart += infoPtr->nHeight;
         HeapFree(GetProcessHeap(), 0, lpszLine);
@@ -157,7 +159,7 @@ HexEdit_UpdateCaret(HEXEDIT_INFO *infoPtr)
     INT nByteLinePos = nCaretBytePos % infoPtr->nBytesPerLine;
     INT nLine = nCaretBytePos / infoPtr->nBytesPerLine;
     LONG nLineLen = min(infoPtr->cbData - nLine * infoPtr->nBytesPerLine, infoPtr->nBytesPerLine);
-    LPTSTR lpszLine = HexEdit_GetLineText(infoPtr->pData + nLine * infoPtr->nBytesPerLine, nLineLen, infoPtr->nBytesPerLine - nLineLen);
+    LPWSTR lpszLine = HexEdit_GetLineText(infoPtr->pData + nLine * infoPtr->nBytesPerLine, nLineLen, infoPtr->nBytesPerLine - nLineLen);
     INT nCharOffset;
 
     /* calculate offset of character caret is on in the line */
@@ -169,7 +171,7 @@ HexEdit_UpdateCaret(HEXEDIT_INFO *infoPtr)
     hdc = GetDC(infoPtr->hwndSelf);
     hOldFont = SelectObject(hdc, infoPtr->hFont);
 
-    GetTextExtentPoint32(hdc, lpszLine, nCharOffset, &size);
+    GetTextExtentPoint32W(hdc, lpszLine, nCharOffset, &size);
 
     SelectObject(hdc, hOldFont);
     ReleaseDC(infoPtr->hwndSelf, hdc);
@@ -221,7 +223,7 @@ HexEdit_EnsureVisible(HEXEDIT_INFO *infoPtr, INT nCaretPos)
     si.fMask = SIF_POS;
 
     SetScrollInfo(infoPtr->hwndSelf, SB_VERT, &si, FALSE);
-    SendMessage(infoPtr->hwndSelf, WM_VSCROLL, MAKELONG(SB_THUMBPOSITION, 0), 0);
+    SendMessageW(infoPtr->hwndSelf, WM_VSCROLL, MAKELONG(SB_THUMBPOSITION, 0), 0);
 }
 
 
@@ -255,7 +257,7 @@ HexEdit_GetData(HEXEDIT_INFO *infoPtr, INT cbData, BYTE *pData)
 }
 
 static inline LRESULT
-HexEdit_Char (HEXEDIT_INFO *infoPtr, TCHAR ch)
+HexEdit_Char (HEXEDIT_INFO *infoPtr, WCHAR ch)
 {
     INT nCaretBytePos = infoPtr->nCaretPos/2;
 
@@ -349,7 +351,7 @@ HexEdit_Destroy (HEXEDIT_INFO *infoPtr)
     HeapFree(GetProcessHeap(), 0, infoPtr->pData);
     /* free info data */
     HeapFree(GetProcessHeap(), 0, infoPtr);
-    SetWindowLongPtr(hwnd, 0, 0);
+    SetWindowLongPtrW(hwnd, 0, 0);
     return 0;
 }
 
@@ -360,12 +362,12 @@ HexEdit_EraseBackground (HEXEDIT_INFO *infoPtr, HDC hdc)
     HBRUSH hBrush, hSolidBrush = NULL;
     RECT   rc;
 
-    if (GetWindowLong(infoPtr->hwndSelf, GWL_STYLE) & WS_DISABLED)
+    if (GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & WS_DISABLED)
         hBrush = hSolidBrush = CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
     else
     {
-        hBrush = (HBRUSH)SendMessage(GetParent(infoPtr->hwndSelf), WM_CTLCOLOREDIT,
-                                     (WPARAM)hdc, (LPARAM)infoPtr->hwndSelf);
+        hBrush = (HBRUSH)SendMessageW(GetParent(infoPtr->hwndSelf), WM_CTLCOLOREDIT,
+                                      (WPARAM)hdc, (LPARAM)infoPtr->hwndSelf);
         if (!hBrush)
             hBrush = hSolidBrush = CreateSolidBrush(GetSysColor(COLOR_WINDOW));
     }
@@ -505,7 +507,7 @@ HexEdit_SetFocus (HEXEDIT_INFO *infoPtr, HWND lostFocus)
 static inline LRESULT
 HexEdit_SetFont (HEXEDIT_INFO *infoPtr, HFONT hFont, BOOL redraw)
 {
-    TEXTMETRIC tm;
+    TEXTMETRICW tm;
     HDC hdc;
     HFONT hOldFont = NULL;
     LONG i;
@@ -517,7 +519,7 @@ HexEdit_SetFont (HEXEDIT_INFO *infoPtr, HFONT hFont, BOOL redraw)
     if (infoPtr->hFont)
         hOldFont = SelectObject(hdc, infoPtr->hFont);
 
-    GetTextMetrics(hdc, &tm);
+    GetTextMetricsW(hdc, &tm);
     infoPtr->nHeight = tm.tmHeight + tm.tmExternalLeading;
 
     GetClientRect(infoPtr->hwndSelf, &rcClient);
@@ -525,9 +527,9 @@ HexEdit_SetFont (HEXEDIT_INFO *infoPtr, HFONT hFont, BOOL redraw)
     for (i = 0; ; i++)
     {
         BYTE *pData = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, i);
-        LPTSTR lpszLine = HexEdit_GetLineText(pData, i, 0);
+        LPWSTR lpszLine = HexEdit_GetLineText(pData, i, 0);
         SIZE size;
-        GetTextExtentPoint32(hdc, lpszLine, lstrlen(lpszLine), &size);
+        GetTextExtentPoint32W(hdc, lpszLine, lstrlenW(lpszLine), &size);
         HeapFree(GetProcessHeap(), 0, lpszLine);
         HeapFree(GetProcessHeap(), 0, pData);
         if (size.cx > (rcClient.right - rcClient.left))