GetPixel The GetPixel function retrieves the red, green, blue (RGB) color value of the pixel at the specified coordinates.
VB4-32,5,6
Declare Function GetPixel Lib "gdi32" Alias "GetPixel" (ByVal hdc As Long, ByVal x As Long, ByVal y As Long) As Long |
VB.NET
System.Drawing.Bitmap.GetPixel |
Operating Systems Supported |
Requires Windows NT 3.1 or later; Requires Windows 95 or later |
- hdc
Identifies the device context.
- nXPos
Specifies the logical x-coordinate of the pixel to be examined.
- nYPos
Specifies the logical y-coordinate of the pixel to be examined. |
If the function succeeds, the return value is an RGB value. If the pixel is outside of the current clipping region, the return value is CLR_INVALID. |
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