SccQueryChanges Function
Applies to: 
Visual Studio 
Visual Studio for Mac
Note
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This function enumerates a given list of files, providing information about name changes for each file via a callback function.
Syntax
SCCRTN SccQueryChanges(
LPVOID pContext,
LONG nFiles,
LPCSTR* lpFileNames,
QUERYCHANGESFUNC pfnCallback,
LPVOID pvCallerData
);
Parameters
pContext
[in] The source control plug-in context pointer.
nFiles
[in] Number of files in lpFileNames array.
lpFileNames
[in] Array of file names to get information about.
pfnCallback
[in] Callback function to call for each file name in the list (see QUERYCHANGESFUNC for details).
pvCallerData
[in] Value that will be passed unchanged to the callback function.
Return Value
The source control plug-in implementation of this function is expected to return one of the following values:
| Value | Description |
|---|---|
| SCC_OK | The query process completed successfully. |
| SCC_E_PROJNOTOPEN | The project has not been opened in source control. |
| SCC_E_ACCESSFAILURE | There was a problem accessing the source control system, probably due to network or contention issues. |
| SCC_E_NONSPECIFICERROR | An unspecified or general error occurred. |
Remarks
Changes being queried for are to the namespace: specifically, renaming, adding, and removing a file.