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Calculate the index of the given item within the file selector
int PtFSItemIndex( PtFileSelWidget_t const *fs, 
                   PtFileSelItem_t const *item );
This function calculates the index of the given item within the fs. The index of the first item is 1.
The index of the given item.
Photon
| Safety: | |
|---|---|
| Interrupt handler | No | 
| Signal handler | No | 
| Thread | No | 
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