Extended SetSystemPaletteUse to deal with error conditions.

include/wingdi.h

@@ -1389,6 +1389,7 @@ typedef struct
 #define SYSPAL_ERROR        0
 #define SYSPAL_STATIC       1
 #define SYSPAL_NOSTATIC     2
+#define SYSPAL_NOSTATIC256  3
     
 #ifndef _PALETTEENTRY_DEFINED
 #define _PALETTEENTRY_DEFINED

objects/palette.c

@@ -454,9 +454,21 @@ UINT WINAPI SetSystemPaletteUse(
     UINT use) /* [in] Palette-usage flag */
 {
     UINT old = SystemPaletteUse;
-    FIXME("(%p,%04x): stub\n", hdc, use );
+
+    /* Device doesn't support colour palettes */
+    if (!(GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE)) {
+        return SYSPAL_ERROR;
+    }
+
+    switch (use) {
+        case SYSPAL_NOSTATIC:
+        case SYSPAL_NOSTATIC256:        /* WINVER >= 0x0500 */
+        case SYSPAL_STATIC:
             SystemPaletteUse = use;
             return old;
+        default:
+            return SYSPAL_ERROR;
+    }
 }