Winapi file copy

If the destination file already exists and is a symbolic link, the target of the symbolic link is overwritten by the source file. However, applications cannot set all attributes. The code example in this topic uses the CopyFile function to copy all text files. Files in the new directory are changed to read only, if necessary. The application creates the directory specified as a parameter by using the CreateDirectory function. The directory must not exist already.

The application searches the current directory for all text files by using the FindFirstFile and FindNextFile functions. The final parameter consists of flags that tell how the file is to be copied. The third and fourth arguments to CopyFileEx specify the address of and the argument for a progress routine, which is a callback routine that is called whenever a portion of the file has been copied.

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Notify me of new posts via email. The failed copy can then be started at a later time. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Feedback will be sent to Microsoft: By pressing the submit button, your feedback will be used to improve Microsoft products and services. Privacy policy. Many scenarios that TxF was developed for can be achieved through simpler and more readily available techniques.

Furthermore, TxF may not be available in future versions of Microsoft Windows. For more information, see Naming a File. This parameter can be NULL. For more information on the progress callback function, see the CopyProgressRoutine function. If this flag is set to TRUE during the copy operation, the operation is canceled. Otherwise, the copy operation will continue to completion. Flags that specify how the file is to be copied. This parameter can be a combination of the following values.

A handle to the transaction.