{"type":"rich","blog_title":"@ledsun blog","categories":["C#"],"url":"https://ledsun.hatenablog.com/entry/20100326/1269564580","blog_url":"https://ledsun.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/ledsun/","title":"\u80cc\u666f\u8272\u3092\u8584\u304f\u3059\u308b","height":"190","provider_name":"Hatena Blog","width":"100%","author_name":"ledsun","published":"2010-03-26 09:49:40","image_url":null,"provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fledsun.hatenablog.com%2Fentry%2F20100326%2F1269564580\" title=\"\u80cc\u666f\u8272\u3092\u8584\u304f\u3059\u308b - @ledsun blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","description":"\u80cc\u666f\u8272\u3092\u8584\u304f\u3059\u308b\u305f\u3081\u306bRGB\u3092\u5909\u66f4\u3057\u307e\u3059\u3002 int oldColor = BackColor.ToArgb(); int r = (oldColor & 0x00FF0000) >> 16; int g = (oldColor & 0x0000FF00) >> 8; int b = oldColor & 0x000000FF; int addValue = 20; r = (r + addValue) > 0xFF ? 0xFF : r + addValue; g = (g + addValue) > 0xFF ? 0xFF : g + addValue; b = (b + addValue)\u2026"}