Canon Edsdk Documentation Free -

Every EDSDK application must tightly manage the SDK lifecycle. You cannot call camera functions without initializing the parent SDK framework first. Call EdsInitializeSDK at application startup.

: Encapsulates data streams, used for reading files out of memory or handling Live View JPEG buffers. 3. Initializing the SDK and Managing Camera Life Cycles

The EDSDK uses reference counting to manage memory for SDK objects (like cameras, volumes, folders, files, and images). canon edsdk documentation

Start the Live View engine by setting kEdsPropID_Evf_OutputDevice to kEdsEvfOutputDevice_PC .

Taking a photo involves sending a command to the camera's shutter mechanism. Send the kEdsCameraCommand_TakePicture command. Every EDSDK application must tightly manage the SDK

: Cleans up resources allocated by the SDK. Must be called before the application closes. Camera Command Execution Commands trigger specific physical actions on the hardware.

Use the EdsDirectoryItemRef passed by the event to call EdsGetDirectoryItemInfo . This gives you the file size and name. : Encapsulates data streams, used for reading files

To talk to a camera, you must first initialize the SDK and retrieve the camera list.