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DirectX Versions (DirectDraw) ?

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Is code written using old versions of DX (say DX7) guaranteed to run under new versions? For example, DDRAW was a separate interface in DX7 but now it is merged with D3D. Is this merging transparent to the app? I guess what I am asking is, can I write DDRAW apps using the DX7 way, even though I use the DX9 SDK? Capt Logic

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Yes, a DirectX 7 application should run without problem on a system with DirectX 9 installed.

edit: though this kind of compatibility wasn't quite as good in the past. IIRC, a number of DirectX 5 games broke when DirectX 6 got shipped.

[edited by - SiCrane on November 9, 2003 8:54:18 PM]

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