OneCore.Net.WPF.DragAndDrop 1.0.1

OneCore.Net.WPF.DragAndDrop Library

Overview

OneCore.Net.WPF.DragAndDrop is a library that provides objects and helpers to simplify implementing drag-and-drop functionality in WPF applications.

Features

• DragItem: Allow drag selected item(s) or data context from any control.
• DropItem: Allow drop of a particular type of files to a target controls.
• DropItems: Allow drop of one or more particular types of items to a target control.

Getting Started

1. Installation:

   • Install the OneCore.Net.WPF.DragAndDrop library via NuGet Package Manager:

   dotnet add package OneCore.Net.WPF.DragAndDrop
   

2. DropItem:

   • Usage

   <ListBox AllowDrop="True">
       <onecore:Drop.DropItem>
           <onecore:DropItem Drops="Files" Effect="Copy" Command="{Binding DropFilesCommand}" />
       </onecore:Drop.DropItem>
   </ListBox>
   

   public void DemoViewModel : ObservableObject
   {
       public DemoViewModel()
       {
           DropFilesCommand = new DelegateCommand<ItemsDroppedArgs>(DropFiles);
       }
   
       public IDelegateCommand DropFilesCommand { get; }
   
       private void DropFiles(ItemsDroppedArgs e)
       {
           //e.Items[]
       }
   }
   

3. DropItems:

   • Usage

   <ListBox AllowDrop="True">
       <onecore:Drop.DropItems>
           <onecore:DropItemCollection>
               <onecore:DropItem Drops="File" Effect="Copy" Command="{Binding DropFileCommand}" />
               <onecore:DropItem Drops="Folder" Effect="Copy" Command="{Binding DropFolderCommand}" />
           </onecore:DropItemCollection>
       </onecore:Drop.DropItems>
   </ListBox>
   

   public void DemoViewModel : ObservableObject
   {
       public DemoViewModel()
       {
           DropFileCommand = new DelegateCommand<ItemDroppedArgs>(DropFile);
           DropFolderCommand = new DelegateCommand<ItemDroppedArgs>(DropFolder);
       }
   
       public IDelegateCommand DropFileCommand { get; }
       public IDelegateCommand DropFolderCommand { get; }
   
       private void DropFile(ItemDroppedArgs e)
       {
           //e.Item
       }
   
       private void DropFolder(ItemDroppedArgs e)
       {
           //e.Item
       }
   }
   

4. DragItem:

   • Usage

   <ListBox>
       <onecore:Drag.DragItem>
           <onecore:DropItem Drags="SelectedItem" Effect="Copy" Format="SelectedItem" />
       </onecore:Drag.DragItem>
   </ListBox>
   

   <ListBox AllowDrop="True">
       <onecore:Drop.DropItem>
           <onecore:DropItem Drops="Custom" Effect="Copy" Format="SelectedItem" Command="{Binding DropItemCommand}" />
       </onecore:Drop.DropItem>
   </ListBox>
   

   public void DemoViewModel : ObservableObject
   {
       public DemoViewModel()
       {
           DropItemCommand = new DelegateCommand<CustomDroppedArgs>(DropItem);
       }
   
       public IDelegateCommand DropItemCommand { get; }
   
       private void DropItem(CustomDroppedArgs e)
       {
           //e.Item
       }
   }
   

Links

• NuGet
• GitHub

License

Copyright (c) David Wendland. All rights reserved. Licensed under the MIT License. See LICENSE file in the project root for full license information.