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It will be a great help for me if you would like to take some time to help me out

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I have a list of problem affect my work: 1. Do DirectX app still process all messages in full-screen mode? 2. Will the app get a WM_SIZE message after IDirect3DDevice8::Reset call that turn the windowed mode to full-screen mode? 3. Will the app get a WM_DISPLAYCHANGE message after IDirect3DDevice8::Reset that change display mode in full-screen mode? 4. Which list of work shall I do after IDirect3DDevice8::Reset when Lost Devices or not?(especially the work with ID3DXSprite and IDirect3DTexture8(I don't need do anything with it if it's create with D3DPOOL_MANAGED?)) 5. What is affected with IDirect3DTexture8 created in different D3DFORMAT?(say I create a Texture in D3DFMT_A4R4G4B4 instead of D3DFMT_A8R8G8B8, what is the difference?) Thanks!

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1. Yes, they have to. Any program that does not process win32 msgs sent to it will be deemed unresponsive and killed by the user. Technically you can be unresponsive to Windows and still run, but you don't want to.

2. I would guess yes.

3. I would guess yes.

4. I dunno.

5. Its the color format of the surface. Textures and the screen's backbuffers are surfaces. If the formats don't match up, Direct3D will either return an error or be smart enough to convert the colors on the fly. I'm assuming the later.

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