Set System Drawing Color values

Question

Hi how to set R G B values in System Drawing Color G    which is like System Drawing Color G 255  is not allowed because its read only   Property or indexer  System Drawing Color G  cannot be assigned toit is read only   i just need to create a Color Object by assigning custom R G B values

User · Answer

You must use Color FromArgb method to create new color structure  var newColor   Color FromArgb 0xCC 0xBB 0xAA

User · Answer

The Color structure is immutable  as all structures should really be   meaning that the values of its properties cannot be changed once that particular instance has been created   Instead  you need to create a new instance of the structure with the property values that you want  Since you want to create a color using its component RGB values  you need to use the FromArgb method   Color myColor   Color FromArgb 100  150  75

User · Answer

You could do   Color c   Color FromArgb red  green  blue     red  green and blue are integer variables containing red  green and blue components

User · Answer

You can make extension to just change one color component  static class ColorExtension       public static Color ChangeG Color this color byte g                 return Color FromArgb color A color R g color B             then you can use this     yourColor   yourColor ChangeG 100

User · Answer

You could create a color using the static FromArgb method   Color redColor   Color FromArgb 255  0  0     You can also specify the alpha using the following overload

User · Answer

using System  using System Drawing  public struct MyColor               private byte a  r  g  b                  public byte A                       get                               return this a                                  public byte R                       get                               return this r                                  public byte G                       get                               return this g                                  public byte B                       get                               return this b                                         public MyColor SetAlpha byte value                        this a   value              return this                    public MyColor SetRed byte value                        this r   value              return this                    public MyColor SetGreen byte value                        this g   value              return this                    public MyColor SetBlue byte value                        this b   value              return this                    public int ToArgb                         return  int  A  lt  lt  24      int  R  lt  lt  16      int  G  lt  lt  8      int  B                     public override string ToString                          return string Format    MyColor  A  0   R  1   G  2   B  3     A  R  G  B                      public static MyColor FromArgb byte alpha  byte red  byte green  byte blue                        return new MyColor   SetAlpha alpha  SetRed red  SetGreen green  SetBlue blue                     public static MyColor FromArgb byte red  byte green  byte blue                        return MyColor FromArgb 255  red  green  blue                     public static MyColor FromArgb byte alpha  MyColor baseColor                        return MyColor FromArgb alpha  baseColor R  baseColor G  baseColor B                     public static MyColor FromArgb int argb                        return MyColor FromArgb argb  amp  255   argb  gt  gt  8   amp  255   argb  gt  gt  16   amp  255   argb  gt  gt  24   amp  255                        public static implicit operator Color MyColor myColor                                   return Color FromArgb myColor ToArgb                       public static implicit operator MyColor Color color                        return MyColor FromArgb color ToArgb

[c#] Set System.Drawing.Color values

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