Save file with appropriate extension in a Save File prompt
36,195
Solution 1
SaveFileDialog dlg = new SaveFileDialog();
dlg.Filter = "Data Files (*.dat)|*.dat";
dlg.DefaultExt = "dat";
dlg.AddExtension = true;
Solution 2
The AddExtension and DefaultExt properties. For example:
sfdialog.DefaultExt = "dat";
sfdialog.AddExtension = true;
Author by
novacara
Updated on December 04, 2020Comments
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novacara over 3 years
In my application I use a SaveFileDialog to pop up a Save As window. I have restricted in the file type section the file to be saved as .dat with the following code.
sfdialog.Filter = "Data Files (*.dat*)|*.dat*";
What I want to know how to do is make it automatically save with the .dat extension. Currently it just saves with no extension unless I specifically save it as filename.dat.
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Tyrrrz over 5 yearsIt's important to note that
DefaultExt
is required, setting just theFilter
andAddExtension
is not enough by itself, which I found strange.