How to set filters in the Browse For File activity

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When using the Browse For File activity, there is a specific format that will be parsed. The basic format of one filter is:

Label|filter

For example:

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You can add multiple filters using pipe (|) and the basic format is:

Label|Filter|Label|Filter

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Or you can combine multiple extensions into one filter, so the window is limited to certain types of files but the user doesn’t have to select them:

Label|Filter;Filter

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You can also mix the two. For example we want the pulldown to show PDF or TIF, but TIF can be .tif or .tiff:

Label|Filter|Label|Filter;Filter

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If you have trouble with the Filter value not sticking, it acts strangely. After changing the Filter you have to tab or click away from the Filter property to make the value stick.

Also, the filters don’t have be just for extensions. You can use any filter ie *test* to find all files with test in the name:

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Here is Microsoft documentation:

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