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Color.GetR method

Applies to: desktop apps only

The Color::GetR method gets the red component of this Color object.

Syntax

BYTE GetR();

Parameters

This method has no parameters.

Return value

Type:

Type: BYTE

This method returns the red component of this color.

Examples

The following example creates a Color object, gets the red component of the color, and creates a second Color object that uses the same red component. It then fills a rectangle by using a Brush object based on the second color.


VOID Example_GetR(HDC hdc)
{
   Graphics graphics(hdc);

   // Create a Color object with a red component value of 255.
   Color firstColor(0, 255, 255, 255);

   // Get the red component value of firstColor.
   int red = firstColor.GetR();

   // Create a new Color object with the same red component value as firstColor.
   Color secondColor(255, red, 0, 0);

   // Create a SolidBrush object with secondColor, and use it to fill a rectangle.
   SolidBrush redBrush(secondColor);
   graphics.FillRectangle(&redBrush, Rect(0, 0, 100, 100));
}

Requirements

Minimum supported client	Windows XP, Windows 2000 Professional
Minimum supported server	Windows 2000 Server
Product	GDI+ 1.0
Header	Gdipluscolor.h (include Gdiplus.h)
Library	Gdiplus.lib
DLL	Gdiplus.dll

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