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Edit annotation style properties on iOS

To set an annotation style property such as color, interior color, border style, padding, etc to an annotation.

PTPDFDoc *doc = [[PTPDFDoc alloc] initWithFilepath: filename];
PTPage *page = [doc GetPage:1];

PTCircle *circle=[PTCircle Create: [doc GetSDFDoc] pos: [[PTPDFRect alloc] initWithX1: 100 y1: 100 x2: 200 y2: 200]];
[circle SetColor: [[PTColorPt alloc] initWithX: 0 y: 1 z: 0 w: 0] numcomp: 3];
[circle SetInteriorColor: [[PTColorPt alloc] initWithX: 0 y: 0 z: 1 w: 0] CompNum: 3];
NSMutableArray *dash = [NSMutableArray arrayWithCapacity: 2];
[dash addObject: @2.0];
[dash addObject: @4.0];
[circle SetBorderStyle: [[PTBorderStyle alloc] initWithS: e_ptdashed b_width: 3 b_hr: 0 b_vr: 0 b_dash: dash] oldStyleOnly: NO];
[circle SetPadding: 2];
[circle RefreshAppearance];
[page AnnotPushBack: circle];

Add or edit PDF annotations sample
Full code sample which shows how to add or edit PDF annotations (e.g. hyperlink, intra-document link, stamp, rubber stamp, file attachment, sound, text, free-text, line, circle, square, polygon, polyline, highlight, squiggly, caret, and ink).

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