Bitmap::GetPixel Method
Gets the color of the specified pixel in this Bitmap.
Assembly: System.Drawing (in System.Drawing.dll)
Parameters
- x
- Type: System::Int32
The x-coordinate of the pixel to retrieve.
- y
- Type: System::Int32
The y-coordinate of the pixel to retrieve.
Return Value
Type: System.Drawing::ColorA Color structure that represents the color of the specified pixel.
| Exception | Condition |
|---|---|
| ArgumentOutOfRangeException | x is less than 0, or greater than or equal to Width. or y is less than 0, or greater than or equal to Height |
| Exception | The operation failed. |
The following code example is designed for use with Windows Forms, and it requires PaintEventArgs e, which is a parameter of the Paint event handler. The code gets the color of a pixel in a bitmap, and then fills a rectangle with that color.
private: void GetPixel_Example( PaintEventArgs^ e ) { // Create a Bitmap object from an image file. Bitmap^ myBitmap = gcnew Bitmap( "Grapes.jpg" ); // Get the color of a pixel within myBitmap. Color pixelColor = myBitmap->GetPixel( 50, 50 ); // Fill a rectangle with pixelColor. SolidBrush^ pixelBrush = gcnew SolidBrush( pixelColor ); e->Graphics->FillRectangle( pixelBrush, 0, 0, 100, 100 ); }
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.