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DirectShow must work on multiple platforms. The filters therefore cannot link statically to the Microsoft DirectDraw® library.
To make the platform dependencies easier to handle, this class manages loading and unloading the library and creating the initial IDirectDraw interface.
Member Functions
| Member function | Description |
|---|---|
| CLoadDirectDraw | Constructs a CLoadDirectDraw object. |
| GetDirectDraw | Retrieves a pointer to the IDirectDraw interface. |
| IsDirectDrawLoaded | Verifies that DirectDraw is loaded. |
| IsDirectDrawVersion1 | Checks the version of DirectDraw installed on the current system. |
| LoadDirectDraw | Loads and initializes the DirectDraw library. |
| ReleaseDirectDraw | Releases the IDirectDraw interface. |
Requirements
DirectShow applications and DirectShow filters have different include file and link library requirements.
For more information, see Setting Up the Build Environment.
OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
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