Multiple file extensions in OpenFileDialog

c# winforms openfiledialog
Ichibann picture Ichibann · Jan 17, 2011 · Viewed 129.9k times · Source

How can I use multiple file extensions within one group using OpenFileDialog? I have Filter = "BMP|*.bmp|GIF|*.gif|JPG|*.jpg|PNG|*.png|TIFF|*.tiff" and I want to create groups so JPG are *.jpg and *.jpeg, TIFF are *.tif and *.tiff and also 'All graphic types'? How can I do that?

Answer

user541686 picture user541686 · Jan 17, 2011

Try:

Filter = "BMP|*.bmp|GIF|*.gif|JPG|*.jpg;*.jpeg|PNG|*.png|TIFF|*.tif;*.tiff"

Then do another round of copy/paste of all the extensions (joined together with ; as above) for "All graphics types":

Filter = "BMP|*.bmp|GIF|*.gif|JPG|*.jpg;*.jpeg|PNG|*.png|TIFF|*.tif;*.tiff|"
       + "All Graphics Types|*.bmp;*.jpg;*.jpeg;*.png;*.tif;*.tiff"

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