The MSChart control's errors that occur during program execution are handled like other errors. You must write your own error handling routine to trap and manage errors.
The following table lists the errors that can be trapped by exception handling.
| Error Name | Explanation |
| GetNotSupported | Attempted to read a write-only property. |
| InvalidPropertyValue | Value is not appropriate for the property used. |
| SetNotSupported | Attempted to write to a read-only property. |
| VtChError | Function failed with a non-specific error. |
| VtChErrorInvalidAxis | One of the arguments in a method is a reference to an axis that does not exist on the chart. |
| VtChErrorInvalidHandle | Invalid chart handle passed. |
| VtChErrorInvalidSeriesNumber | One of the arguments in a method is a reference to a series that does not exist on the chart. |
| VtChErrorNoData | Data necessary for the completion of the task is unavailable. |
| VtChErrorRestrictedVersion | The requested feature is not available in this version of the product. |
| VtErrorActionCanceled | User canceled operation. The user clicked outside the menu instead of selecting an item. |
| VtErrorArchivePointerMismatch | Tried to load a pointer into a reference. |
| VtErrorArchiveTypeMismatch | Encountered unexpected class type. |
| VtErrorArchiveVersion | Tried to load incompatible version. |
| VtErrorBufferTooSmall | String buffer is not large enough to hold the requested string. String has been truncated to fit the buffer. |
| VtErrorCannotOpenFile | Unable to open the requested file. |
| VtErrorCopyingObject | Failed to copy object. |
| VtErrorCorruptArchive | Persistent storage is corrupted. |
| VtErrorCorruptData | An internal error indicating that the MSChart control has encountered corrupt data and is unable to continue the requested action. |
| VtErrorCreateWindow | Could not create window. |
| VtErrorDefaultFontSubstituted | Default substituted for requested font. |
| VtErrorDeletingDeletedObject | An internal error indicating that the MSChart control attempted to delete an object that has already been deleted. |
| VtErrorDeletingUsedObject | An internal error indicating that the MSChart control attempted to delete an object that is still in use. |
| VtErrorDisplay | The MSChart control is unable to properly communicate with display drivers. |
| VtErrorDuplicateObject | Encountered duplicate object. |
| VtErrorDuplicateSymbol | Duplicate symbol. |
| VtErrorIconNotFound | Could not load icon. |
| VtErrorIdentifierTooBig | Identifier is too large. |
| VtErrorInvalidArgument | One of the function arguments was bad. |
| VtErrorInvalidFont | Requested font description is invalid. |
| VtErrorInvalidFontName | Requested font name is not available. |
| VtErrorInvalidIndex | Given index is out of bounds. |
| VtErrorInvalidObject | Object is uninitialized or invalid. |
| VtErrorInvalidRequest | The requested action is inappropriate or otherwise invalid. |
| VtErrorInvalidSyntax | Encountered invalid syntax. |
| VtErrorInvalidTypeConversion | Requested type conversion is not supported. |
| VtErrorLoadPicture | Could not load requested picture. |
| VtErrorNoDisplayResources | The MSChart control does not have enough display resources to properly display the chart. |
| VtErrorNoMemory | There is not enough memory to accomplish the requested action. |
| VtErrorNotFound | Cannot find the item for which the function is looking. |
| VtErrorNotImplemented | Feature is not yet implemented. |
| VtErrorOSVersion | Version of Windows is not supported. |
| VtErrorStreamIo | An error was encountered when trying to read or write a file. |
| VtErrorTooSmall | The returned result is longer than the return buffer size. A NULL string is placed in the buffer. |
| VtErrorUnableToLoadString | Unable to load a string; the string may have been too long. |
| VtErrorUnexpectedEOS | Encountered unexpected end of string. |
| VtErrorUnrecognizedFunction | Encountered unrecognized function. |
| VtErrorUserIo | An attempt to write a file to a user-created function failed. |
| VtFail | A general failure error. |
| VtOk | No error occurred. |