New functionalities of Storage.Pickers: SettingsIdentifier; InitialFileTypeIndex; Title; PickMultipleFoldersAsync; ShowOverwritePrompt;#6052
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Functionality review comments for PR 6052.
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…ngsIdentifier; FileTypeIndex; Title; PickMultipleFoldersAsync; ShowOverwritePrompt (#6051) API Spec for - #6052 ## Adds properties: ### Title * Adds `Title` properties to `FileOpenPicker`, `FileSavePicker`, and `FolderPicker`, enabling custom dialog titles. Related: - #5879 ### SettingsIdentifier * Adds `SettingsIdentifier` properties to `FileOpenPicker`, `FileSavePicker`, and `FolderPicker`, enabling instance-specific picker state across sessions. Related: - #5847 - microsoft/microsoft-ui-xaml#10904 ### FileTypeIndex * Adds `FileTypeIndex` property to `FileOpenPicker` and `FileSavePicker`, allowing developers to set the default selected file type filter by index (0-based). Related: - #5975 ### Changes in FileSavePicker * Adds a new properties for `FileSavePicker`: `ShowOverwritePrompt`: `ShowOverwritePrompt` default to `true` and control whether the picker warns about overwriting when user picked an existing file via FileSavePicker. * Changing the default behavior - when the user picked a not-existing file via FileSavePicker, the picker will NOT create an empty file there - allowing developer to decide when to make this file. Related: - #5976 ## Adds method: ### FolderPicker.PickMultipleFoldersAsync * Adds `PickMultipleFoldersAsync` method to `FolderPicker`, enabling selection of multiple folders in a single operation. API definitions, documentation, and code samples have been updated to reflect this feature. Related: - #5848
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Implementation for
This pull request updates the Storage.Pickers API implementation to add new customization and usability features to the
FileOpenPicker,FileSavePicker, andFolderPickerclasses. The changes introduce properties for dialog title and instance-specific settings, allow specifying the default file type filter by 0-based index, and add support for picking multiple folders. These enhancements are reflected in both the API definitions and usage examples.Adds properties:
Title
Titleproperties toFileOpenPicker,FileSavePicker, andFolderPicker, enabling custom dialog titles.Related:
SettingsIdentifier
SettingsIdentifierproperties toFileOpenPicker,FileSavePicker, andFolderPicker, enabling instance-specific picker state across sessions.Related:
InitialFileTypeIndex
InitialFileTypeIndexproperty toFileOpenPickerandFileSavePicker, allowing developers to set the default selected file type filter by index (0-based).Related:
Changes in FileSavePicker
Adds a new properties for
FileSavePicker:ShowOverwritePrompt:ShowOverwritePromptdefault totrueand control whether the picker warns about overwriting when user picked an existing file via FileSavePicker.Changing the default behavior - when the user picked a not-existing file via FileSavePicker, the picker will NOT create an empty file there - allowing developer to decide when to make this file.
Related:
Adds method:
FolderPicker.PickMultipleFoldersAsync
PickMultipleFoldersAsyncmethod toFolderPicker, enabling selection of multiple folders in a single operation. API definitions, documentation, and code samples have been updated to reflect this feature.Related: