I'm trying to build an application like MS paint where there's a pencil icon that can draw a line (freehand line) when the user moves the mouse while holding the left-click button of the mouse. Do you have any idea how to implement this?
According to your description, you can use .NET MAUI Community Toolkit package and then use its DrawingView .
The DrawingView provides a surface that allows for the drawing of lines through the use of touch or mouse interaction . For more details, you can refer to How do I draw on canvas using finger? on how to use it.
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