![]() ![]() To clarify this, in the next release of the documentation, the PictureBox.AllowDrop topic will be marked with the “for internal use only” boilerplate. However, since PictureBox inherits from control, it also inherits the AllowDrop property. The PictureBox control is not designed to allow drag and drop procedures. You simply need to set it in code at run time and you need to ignore IntelliSense’s refusal to believe it exists. However, the Control class implements AllowDrop and PictureBox inherits from Control, so the property does exist. IntelliSense doesn’t even admit the property exists! Clearly Microsoft doesn’t expect you to drag and drop images. For some reason, Visual Studio does not display this property in the properties window for the PictureBox control. One of the first things you must do before implementing drag and drop is set the AllowDrop property to true for the control that should accept a drop. The example Drag and drop text in C# explains basic drag and drop operations. This example shows how to drag and drop images in C#.
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