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Button Group Attribute

ButtonGroup is used on any instance function, and adds buttons to the inspector organized into horizontal groups. Use this to organize multiple button in a tidy horizontal group.
Button Group Big Title Group 

public IconButtonGroupExamples iconButtonGroupExamples;

[ButtonGroup]
private void A()
{
}

[ButtonGroup]
private void B()
{
}

[ButtonGroup]
private void C()
{
}

[ButtonGroup]
private void D()
{
}

[Button(ButtonSizes.Large)]
[ButtonGroup("My Button Group")]
private void E()
{
}

[GUIColor(0, 1, 0)]
[ButtonGroup("My Button Group")]
private void F()
{
}

[Serializable, HideLabel]
public struct IconButtonGroupExamples
{
    [ButtonGroup(ButtonHeight = 25), Button(SdfIconType.ArrowsMove, "")]
    void ArrowsMove() { }

    [ButtonGroup, Button(SdfIconType.Crop, "")]
    void Crop() { }

    [ButtonGroup, Button(SdfIconType.TextLeft, "")]
    void TextLeft() { }

    [ButtonGroup, Button(SdfIconType.TextRight, "")]
    void TextRight() { }

    [ButtonGroup, Button(SdfIconType.TextParagraph, "")]
    void TextParagraph() { }

    [ButtonGroup, Button(SdfIconType.Textarea, "")]
    void Textarea() { }
}