Class OpenFileDialog

Provides a dialog box that enables the user to select one or more files.

Inheritance

System.Object

OpenFileDialog

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: OpenSilver.Controls

Assembly: OpenSilver.dll

Syntax

public sealed class OpenFileDialog

Constructors

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OpenFileDialog()

Initializes a new instance of the OpenFileDialog class.

Declaration

public OpenFileDialog()

Properties

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File

Gets a MemoryFileInfo object for the selected file. If multiple files are selected, returns the first selected file.

Declaration

public MemoryFileInfo File { get; }

Property Value

Type	Description
MemoryFileInfo	The selected file. If multiple files are selected, returns the first selected file.

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Files

Gets a collection of MemoryFileInfo objects for the selected files.

Declaration

public IEnumerable<MemoryFileInfo> Files { get; }

Property Value

Type	Description
System.Collections.Generic.IEnumerable<MemoryFileInfo>

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Filter

Gets or sets a filter string that specifies the file types and descriptions to display in the OpenFileDialog.

Declaration

public string Filter { get; set; }

Property Value

Type	Description
System.String	A filter string that specifies the file types and descriptions to display in the OpenFileDialog. The default is System.String.Empty.

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Multiselect

Gets or sets a value that indicates whether the OpenFileDialog allows users to select multiple files.

Declaration

public bool Multiselect { get; set; }

Property Value

Type	Description
System.Boolean	true if multiple selections are allowed; otherwise, false. The default is false.

Methods

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ShowDialogAsync()

Opens the default browser file dialog. This returns a Task, differently from Silverlight. This is because it is not possible to wait for the dialog to conclude, since the process is single-threaded.

Declaration

public Task<bool?> ShowDialogAsync()

Returns

Type	Description
System.Threading.Tasks.Task<System.Nullable<System.Boolean>>	A Task that will have the result of the file dialog. True for files selected, false for cancel/exit.

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ShowDialogAsync(Window)

Opens the default browser file dialog. This returns a Task, differently from Silverlight. This is because it is not possible to wait for the dialog to conclude, since the process is single-threaded.

Declaration

public Task<bool?> ShowDialogAsync(Window owner)

Parameters

Type	Name	Description
Window	owner

Returns

Type	Description
System.Threading.Tasks.Task<System.Nullable<System.Boolean>>	A Task that will have the result of the file dialog. True for files selected, false for cancel/exit.