You see it in just about every Windows application, so how can you do it in your VB application? Fortunately VB provides built-in tools to make it easy for you. While the code you write to respond to a drag and drop operation can be fairly complex, the me
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Visual Basic Buttons Drag & Drop
You see it in just about every Windows application, so how can you do it in your VB application? Fortunately VB provides built-in tools to make it easy for you.
While the code you write to respond to a drag and drop operation can be fairly complex, the mechanics of a drag and drop operation are fairly simple and logical. VB especially handles well the graphical tasks of a drag and drop operation - creating and moving the icons displayed during a drag and drop operation.
Ok, a short description first. Put the mouse cursor over an object on a form, then press and hold the left mouse button. Without releasing the button, move the mouse cursor to a new location. Then release the mouse button.
Was that fun? Either way, what you just did was a drag and drop operation. How your program responded to what you did was entirely up to the programmer of the application. In programs which support drag and drop operations, the cursor changes to an icon (indicating a drag operation is taking place) and when the mouse is released the icon reverts back to a normal cursor (indicating that the drop operation is now over).
VB offers both an automated and a manual way to allow users to perform a drag and drop operation. In either case, just like with common dialog windows, a drap and drop operation is just a method of having a user give you instructions/data, which you must use in code before anything happens.
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