How to select a region in a Windows Forms PictureBox?
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20-09-2019 - |
Question
I want to get a part of picture in a PictureBox by allowing the user to select a rectangular region (similar to how it can be done in Photoshop with selection tool).
How I can do this?
Solution
You would have to draw a rectangle or lines based on where they clicked and dragged. Your starting point would be the mouse x, y and then you would get the last point from mouse release x, y.
OTHER TIPS
Catch the mouse events on the Picture Box to define your selection rectangle and use Graphics.DrawRectangle
to draw your selection rectangle in the Paint Event of the Picture Box.
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