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The public Dispose method in turn calls this overload:Ĭopy Code protected virtual void Dispose( bool managed) If (MainThread?.IsRunning = true) MainThread.Shutdown() Įnsure that you keep around an instance of this class, otherwise the GC might collect it and the SDK gets terminated with it (because of the destructor of the CanonAPI class).Īnd when you close your program, call the Dispose method.

MainThread.Invoke(() => ErrorHandler.CheckErrorĬameraAddedEvent = new SDKCameraAddedHandler(CanonAPI_CameraAddedEvent) ĬanonSDK.EdsSetCameraAddedHandler(CameraAddedEvent, IntPtr.Zero)) Start the main thread where SDK will run on Trying to trigger DllNotFoundException so it's not thrown // in the event loop on a different thread: Throw new ThreadStateException( ' Calling thread must be in STA') ĮrrorHandler.CheckError( this, CanonSDK.EdsInitializeSDK())

If no instance exists yet, initialize everything if (RefCount = 0) Ensure that only one caller at a time can increase the counter lock (InitLock) When you start your program, create a new instance of the CanonAPI class:Ĭopy Code public CanonAPI( bool useCallingThread) Initializing and terminating are the easiest things to do. Let's have a closer look into the inner workings of those classes.

ErrorHandler: A static class that provides methods to check the SDK return values/error codes.

STAThread: A helper class to create an STA thread or execute code on an STA thread.

CanonSDK: This class contains all the native calls to the Canon SDK DLLs and some helper methods to set/ get values.

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Set/ Get properties, take photos, download data and more.

Camera: This is used to communicate with a physical camera.

CanonAPI: The class that mainly handles the SDK lifetime, the connected Cameras and the SDK events.

I will only concentrate on the EDSDKLib project here since this is what this whole article is about: Using the EDSDK with C#.

ConsoleExample: An example project that consumes the EDSDKLib and uses it in a console application.

WpfExample: An example project that consumes the EDSDKLib and uses it in a WPF UI application.

WinFormsExample: An example project that consumes the EDSDKLib and uses it in a Windows Forms UI application.

EDSDKLib: The main project where all the SDK and camera handling happens.

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It is also important that you use your camera in fully manual or at least half-automated mode for some methods to work. Other places will cause problems if the main DLL makes a call to a sub-DLL. Once you have the DLLs, put them beside your executable. India, Indonesia, Malaysia, Pakistan, the Philippines, Singapore and Thailand.I am not allowed to include the DLLs within the project so you'll have to apply to get them, here: You have to have a copy of the Canon EDSDK to get this working.

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I do not guarantee for this software in any way. Note: I'm not affiliated with or funded by Canon Inc.

Download data (images, films) from the camera.

Take photos (normally and in Bulb mode).

The tutorial and the library is written in C# but it is CLS compliant and therefore can be used from any. Since I have found out many things already and want to make it easier for others, I thought I could compile some of the most important things together and do a tutorial. Unfortunately, it is quite difficult to find some good examples for it on the internet and the provided documentation is not very complete. The Canon EOS Digital SDK is quite a powerful SDK to remote control Canon DSLRs.

Download CanonSDKTutorial V11 - 211.7 KB.

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