eg_Anubhava wrote:
user should be able to move,resize and drag and drop a control (a Textbox in my case).
I'll leave it to others to help you with most of this, but you might find it difficult to resize a TextBox, depending on what properties are set. AFAIK you can only resize a non-multiline TextBox horizontally, so you will need to consider this when implementing your drag-handles. :)