#include "..\w32knapi.h" W32KAPI HANDLE APIENTRY NtGdiDdCreateDirectDrawObject( IN HDC hdc ) { return (HANDLE)Syscall(L"NtGdiDdCreateDirectDrawObject", 1, &hdc); } BOOL Test_NtGdiDdCreateDirectDrawObject(PTESTINFO pti) { HDC hdc=CreateDCW(L"Display",NULL,NULL,NULL); RTEST(NtGdiDdCreateDirectDrawObject(NULL) == NULL); TEST(NtGdiDdCreateDirectDrawObject(hdc) != NULL); DeleteDC(hdc); return TRUE; }