Vb.Net Draw Smooth Curve Full Area Of

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And the left 2 corners just doesnt look the same as the right 2.

Is there a way to make them smoother like the normal bordered form Maybe i need to draw a border around the borderless form hehe.

Even if you set Graphics.SmoothingMode to HighQuality, the anti-alias pixels on the outside of the curves will be clipped off by the region.

What you need to do is to define a GraphicsPath with round corners which is 1 pixel inside the edges of the actual form.

Vb.Net Draw Smooth Curve Full Area Of

Use a screen capture capture method (such as Graphics.CopyFromScreen) to grab the full area of the form.

Then use FillPath andor DrawPath to paint the form surface onto the captured bitmap, with the SmoothingMode set to HighQuality.

Since there is a 1-pixel margin of background all around the edges of the path, what you draw will be antialised into the background and you will have smooth corners.

Public Sub CutForm(ByVal Target As Form, ByVal Corner As Integer, ByVal e As PaintEventArgs).

Both TransparencyKey and Region produce jagged edges on curves and diagonals.

It involves drawing a partly transparent border over the forms actual border.

The border extends outside the main form so a separate form is used to show it.

The border forms Opacity setting provides the required transparency.

In my view result is better than the undecorated jagged edges (though not as good as you could get with WPF).

It looks quite good when the main form has a photographic background image, and it isnt spoiled by a changing background.

If you change the size or position of the main form in code, adjust the bounds of the border form in the same way as in the FormShown sub.

Vic.