fiberreqop.blogg.se - Drag and drop desktop app builder

Process the Drop event to receive the dropped content.

Handle the DragOver event to let the system know what type of drag operations the element can receive.

Enable dropping by setting the AllowDrop property to true on all the elements that can receive dropped content.

The system handles images and text automatically, but for other content, you'll need to handle the DragStarting and DropCompleted events and use them to construct your own data package.

Enable dragging on an element by setting its CanDrag property to true.

Here's an overview of what you need to do to enable drag and drop in your app: Once implemented, drag and drop works seamlessly in all directions, including app-to-app, app-to-desktop, and desktop-to app. It allows data transfer between or within any kind of application, including Classic Windows apps, although this article focuses on the XAML API for modern drag and drop. Modern drag and drop is available on all devices that support UWP. This visual feedback is initially provided by the source but can be changed by the targets as the pointer moves over them.

The drop target, which is the application or area underneath the pointer, processes the data package and returns the type of operation it performed.ĭuring drag and drop, the drag UI provides a visual indication of the type of drag-and-drop operation that’s taking place. When the pointer is released, drop occurs.

The source also indicates the kind of operations it supports: copy, move or link. The drag source, which is the application or area where the drag gesture is triggered, provides the data to be transferred by filling a data package object that can contain standard data formats, including text, RTF, HTML, bitmaps, storage items or custom data formats. Important APIs: CanDrag property, AllowDrop property Drag and drop lets the user transfer data between applications or within an application using a standard gesture (press-hold-and-pan with the finger or press-and-pan with a mouse or a stylus). Drag and drop is an intuitive way to transfer data within an application or between applications on the Windows desktop.