Class AlterFileProperty

A view command that opens a file and returns the selected file as a byte array. For example:

byte[] myFile = null;
var cmd = new AlterFileProperty(View.Displayer, 
    (dll) => myFile = dll, 
    () => true,
    new LemonEdge.Core.Client.CommandDecriptor("Change Dll", Images.ImageType.AddIn, "Select a new dll for this add-in."),
    new (string, string)[] { (".net Dlls", "*.dll"), ("All Files", "*.*") });
Inheritance
System.Object
BaseHasChildren<EPCommandWithDescriptor>
EPCommand
EPCommandWithDescriptor
ViewCommand
AlterFileProperty
Implements
System.IDisposable
System.Windows.Input.ICommand
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: LemonEdge.Client.Core.Commands.ViewCommands
Assembly: ClientCore.dll
Syntax
public class AlterFileProperty : ViewCommand, IHasChildren<EPCommandWithDescriptor>, IHasChildren, IDisposable, IEPCommandWithDescriptor, IEPCommand, ICommand, ICommandDescriptor

Constructors

AlterFileProperty(IModelLayoutDisplayer, Func<Byte[], Task>, Func<Boolean>, ICommandDescriptor, Func<(String FileTypeName, String fileType)[]>)

Creates a new alter file command

Declaration
public AlterFileProperty(IModelLayoutDisplayer owner, Func<byte[], Task> fileSelected, Func<bool> canExecute, ICommandDescriptor descriptor, Func<(string FileTypeName, string fileType)[]> getFileTypes)
Parameters
Type Name Description
IModelLayoutDisplayer owner

The owning host context for this command
System.Func<System.Byte[], System.Threading.Tasks.Task> fileSelected

The method that is called when a file has been selected by the user from invoking this command
System.Func<System.Boolean> canExecute

A function that returns true if a file is valid to be selected or not
ICommandDescriptor descriptor

A descriptor to use for the title, icon, etc and other attributes of this command
System.Func<System.ValueTuple<System.String, System.String>[]> getFileTypes

Properties

Description

Declaration
public override string Description { get; }
Property Value
Type Description
System.String
Overrides

IconID

Declaration
public override Guid IconID { get; }
Property Value
Type Description
System.Guid
Overrides

OverlayIconID

Declaration
public override Guid? OverlayIconID { get; }
Property Value
Type Description
System.Nullable<System.Guid>
Overrides

Title

Declaration
public override string Title { get; }
Property Value
Type Description
System.String
Overrides

ToolTip

Declaration
public override string ToolTip { get; }
Property Value
Type Description
System.String
Overrides

Methods

InternalCanExecute(Object)

Returns if this command can be executed or not

Declaration
public override bool InternalCanExecute(object parameter)
Parameters
Type Name Description
System.Object parameter

The command parameter
Returns
Type Description
System.Boolean

True if this command can be executed
Overrides

InternalExecuteAsync(Object)

Displays a prompt to the user for a file to be selected then reads and returns the file as a byte array to the owner of this command

Declaration
public override Task InternalExecuteAsync(object parameter)
Parameters
Type Name Description
System.Object parameter

The command parameter
Returns
Type Description
System.Threading.Tasks.Task

A task indicating the completion of this operation
Overrides

Implements

System.IDisposable
System.Windows.Input.ICommand

Extension Methods