OneCore.Net.WPF.DragAndDrop

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

• Installation:

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

  dotnet add package OneCore.Net.WPF.DragAndDrop
  

• 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[]
      }
  }
  

• 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
      }
  }
  

• 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.