On Sunday, 27 May 2012 at 03:29:17 UTC, dnewbie wrote: > In C I can write > > OPENFILENAME ofn; > ZeroMemory(&ofn, sizeof(ofn)); > > In D, there is no ZeroMemory. Please help me. You could use c memset: import std.c.string; memset(cast(void*)&ofn, 0, ofn.sizeof); or this: (cast(byte*)& a)[0 .. a.sizeof] = 0;