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File dialog format filters |
Many platforms contain file dialogs that you can use to select a file to be opened and specify the file to be saved. The dialog contains the Filter property that specifies file types shown in the file type combo box.
For example, if the original filter string is
All supported files (*.xml;*.ini)|*.xml;*.ini|XML files (*.xml)|*.xml|Ini files (*.ini)|*.ini
Then the following translation will pass.
Kaikki tuetut tiedostot (*.xml;*.ini)|*.xml;*.ini|XML tiedostot (*.xml)|*.xml|Ini tiedostot (*.ini)|*.ini
Even the description strings are different, the structure is the same. The translation has all supported files part, XML part and Ini part. Also, each part has the same file masks (e.g., *.xml). However, the following translations will fail.
| Translation | Reason to fail |
|---|---|
| Kaikki tuetut tiedostot (*.xml;*.ini)|*.xml;*.ini|XML tiedostot (*.xml)|*.xml|Ini tiedostot (*.ini) *.ini | There is no | character between Ini description and the Ini mask. |
| Kaikki tuetut tiedostot (*.xml;*.ini)|*.xml;*.ini|XML tiedostot (*.xml)|*.xml | There is no Ini part. |
| Kaikki tuetut tiedostot (*.xml;*.ini)|*.xml;*.ini|XML tiedostot (*.xml)|*.xml|Ini tiedostot (*.ini) *.ini| | There is an extra | character. |
You have two choices to make sure that localized values are valid. The recommended choice is to use the filter string formatter class. Soluling contains filter string formatter classes for the following platforms:
| Platforms | APIs | Samples |
|---|---|---|
| .NET | <data-dir>\Library\NET\DialogFilter.cs | <data-dir>\Samples\WindowsForms\FileDialog <data-dir>\Samples\WPF\FileDialog |
| Delphi | <data-dir>\Library\Delphi\NtDialog.pas | <data-dir>\Samples\Delphi\VCL\FileDialog <data-dir>\Samples\Delphi\FMX\FileDialog |
If your platform is not supported, then the second choice is to use file dialog filter validation.
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