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PtAppGetResources()

Retrieve one or more resource values for an application

Synopsis:

int PtAppGetResources(int n_args,
                      PtArg_t *args)

Arguments:

n_args
The number of items in the args array.
args
Indicates which resources are retrieved.

Library:

ph

Description:

This function sets pointers to resource values within the application.

You must initialize the args array with PtSetArg() or Pt_ARG() before calling PtAppGetResources(). The Pt type of a resource determines how that resource should be set or queried. You use the Pt type when setting a resource entry with PtSetArg(). For a list of application callbacks, see PtAppSetResources().

For more information, see the Manipulating Resources in Application Code chapter of the Photon Programmer's Guide.


WARNING: Because PtAppGetResources() returns pointers directly into the internals of the widget, don't modify those values directly. If you wish to retrieve the value of a given resource and then modify that value:
  1. Get the resource.
  2. Copy the resource to a temporary variable.
  3. Modify the temporary variable.
  4. Using the modified copy, set the resource.

Returns:

0
Success.
-1
An error occurred.

Classification:

Photon

Safety:
Interrupt handler No
Signal handler No
Thread No

See also:

PtAppAddCallback(), PtAppGetResource(), PtAppRemoveCallback(), PtAppSetResources(), PtAppSetResource(), PtSetArg().


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