您不想使用FileSavePicker类有什么原因吗？下面是MSDN文档中的一个示例
In the view model, open the dialog by callingIDialogService.ShowDialog<T>. publicclassModalDialogTabContentViewModel : INotifyPropertyChanged {privatereadonlyIDialogService dialogService;publicModalDialogTabContentViewModel(IDialogService dialogService) {this.dialogService = dialogService; }privatevoidShowDialog...
Trying to open a device using HidDevice FromIdAsync in UWP always returns null unless using FileAccessMode.Read I can confirm that my HID device can have read and write capabilities, because this has been verified in WPF application, where one Endpoint can read and the other can read and ...
privatevoidForm1_Load(objectsender, EventArgs e){ InitializeOpenFileDialog(); }privatevoidInitializeOpenFileDialog(){// Set the file dialog to filter for graphics files.this.openFileDialog1.Filter ="Images (*.BMP;*.JPG;*.GIF)|*.BMP;*.JPG;*.GIF|"+"All files...
Trying to open a device using HidDevice FromIdAsync in UWP always returns null unless using FileAccessMode.Read I can confirm that my HID device can have read and write capabilities, because this has been verified in WPF application, where one Endpoint can read and the other can read and ...
StorageFile 通过让用户与选取器交互来访问文件和文件夹。 你可以使用FileOpenPicker和FileSavePicker类访问文件,并使用FolderPicker访问文件夹。 备注 有关完整示例,请参阅文件选取器示例。 备注 在桌面应用(包括 WinUI 3 应用)中,可以使用Windows.Storage.Pickers中的文件和文件夹选取器。 但是,如果桌面应用需要提升才...
If the user has Foo.doc open for edits in the app, and then attempts to open Foo.doc again, the app might choose to redirect the second activation to the instance that already has Foo.doc open—and prevent the user from opening the same file in multiple instances. The logic for ...
is why Microsoft has published the OneDrive SDK, which you can add to your application in an easy manner (using the NuGet Package Manager). This is a very useful component, and in the true “new Microsoft” manner, the library is open sourced and published on GitHub atbit.ly/1WX0Y03...
tBlockOpenInfo.Text ="你所选择的文件是: "+ file.Name; }else{ tBlockOpenInfo.Text ="打开文件操作被取消。"; }// 选择多个文件//IReadOnlyList<StorageFile> fileList = await openFile.PickMultipleFilesAsync();//StringBuilder fileOpenInfo = new StringBuilder();//if(fileList!=null)//{// for...
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