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PDA and Touch Panel applications allocate all the memory the application needs as it runs.

The PDA or Touch Panel application frees memory when the application stops running or returns. As a result, memory usage can depend on the run-time behavior and can be difficult to predict. However, the PDA or Touch Panel application allocates uninitialized shift registers the first time it encounters them and frees them only when the application stops. PDA and Touch Panel applications reset controls to the default value each time you run or call a PDA or Touch Panel application, but PDA and Touch Panel applications do not reset uninitialized shift registers.

Use the PDA Memory VIs to manage memory on a PDA or Touch Panel device.