rem: frame.left = frame.right;
add: frame.left = frame.right + 1;
context: Slider::DrawBar(){	BView *view = OffscreenView();	BRect barFrame = BarFrame();	BRect frame = barFrame.InsetByCopy(1, 1);	frame.top++;	frame.left++;	frame.right = ThumbFrame().left + ThumbFrame().Width() / 2;	view->SetHighColor(ui_color(B_CONTROL_HIGHLIGHT_COLOR)); //102, 152, 203);		// ToDo: the color should probably be retrieved from one of the ui colors	view->FillRect(frame);	frame.left = frame.right;	frame.right = barFrame.right - 1;	view->SetHighColor(tint_color(ViewColor(), B_DARKEN_1_TINT));	view->FillRect(frame);	rgb_color cornerColor = tint_color(ViewColor(), B_DARKEN_1_TINT);	rgb_color darkColor = tint_color(ViewColor(), B_DARKEN_3_TINT);	view->BeginLineArray(9);	// the corners	view->AddLine(barFrame.LeftTop(), barFrame.LeftTop(), cornerColor);	view->AddLine(barFrame.LeftBottom(), barFrame.LeftBottom(), cornerColor);	view->AddLine(barFrame.RightTop(), barFrame.RightTop(), cornerColor);	// the edges	view->AddLine(BPoint(barFrame.left, barFrame.top + 1),		BPoint(barFrame.left, barFrame.bottom - 1), darkColor);	view->AddLine(BPoint(barFrame.right, barFrame.top + 1),		BPoint(barFrame.right, barFrame.bottom), ui_color(B_SHINE_COLOR));	barFrame.left++;	barFrame.right--;	view->AddLine(barFrame.LeftTop(), barFrame.RightTop(), darkColor);	view->AddLine(barFrame.LeftBottom(), barFrame.RightBottom(), ui_color(B_SHINE_COLOR));	// the inner edges	barFrame.top++;	view->AddLine(barFrame.LeftTop(), barFrame.RightTop(), ui_color(B_SHADOW_COLOR));	view->AddLine(BPoint(barFrame.left, barFrame.top + 1),		BPoint(barFrame.left, barFrame.bottom - 1), ui_color(B_SHADOW_COLOR));	view->EndLineArray();}