So I am using a button on my program, and when I use button1.FlatAppearance.BorderSize = 0; it works fine.
But.. when I click on the desktop, it does this.
How do I fix this?
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Win Forms, WPF, a web page? What does VS-2019 have to do with it? Please tag this properly. – Flydog57 Jan 05 '19 at 19:54
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Try setting `FlatAppearence` to `Flat`. – Yeldar Kurmangaliyev Jan 05 '19 at 19:55
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'Button' does not contain a definition for 'Flat' and no accessible extension method 'Flat' accepting a first argument of type 'Button' could be found (are you missing a using directive or an assembly reference?) :( – Jan 05 '19 at 20:06
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@Oupitter which value has the property `FlatStyle` – Mario Mitterbauer Jan 05 '19 at 20:09
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[How to remove the white lines surrounding a button appearing when I click it](https://stackoverflow.com/a/53867195/7444103). The code is VB.Net. If you need a *translation*, let me know. – Jimi Jan 05 '19 at 20:26
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I forgot about the C# (simplified) version [here](https://stackoverflow.com/a/53784938/7444103). – Jimi Jan 05 '19 at 20:49
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@Mario Mitterbauer it is Flat – Jan 05 '19 at 20:59
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@Oupitter already tried `button1.FlatAppearance.BorderColor=button1.Parent.BackColor` ? – Mario Mitterbauer Jan 05 '19 at 21:06
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No, and it fixed my issue. Thank you so much @Mario Mitterbauer – Jan 05 '19 at 21:17
1 Answers
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You can set (hardcode) the border color. With following code line the button1 border color get the parent Control BackColor
button1.FlatAppearance.BorderColor = button1.Parent.BackColor;
Mario Mitterbauer
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