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      pixel = BmpCopy.GetPixel(col, row)

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public static extern int GetPixel(IntPtr hdc, int x, int y);

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    ExtFloodFill(vDC, 10, 10, GetPixel(vDC, 10, 10), FLOODFILLSURFACE);

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Summary

The GetPixel API

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static extern uint GetPixel(IntPtr hdc, int nXPos, int nYPos);

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Public Function GetPixel(hdc As IntPtr, _

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Public Declare Function GetPixel Lib "gdi32" Alias "GetPixel" (ByVal hdc As Long, ByVal X As Long, ByVal Y As Long) As Long

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  static extern uint GetPixel(IntPtr hdc,int nXPos,int nYPos);

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  // NB: BLUE and RED components will be swapped because GetPixel returns ABGR

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    uint pixel = GetPixel(hdc, Cursor.Position.X, Cursor.Position.Y);

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    static extern int GetPixel(IntPtr hdc, int nXPos, int nYPos);

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    int cr = GetPixel(hdcScreen, x, y);

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      static extern uint GetPixel(IntPtr hdc, int nXPos, int nYPos);

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      static public System.Drawing.Color GetPixelColor(int x, int y)

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       uint pixel = GetPixel(hdc, x, y);

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Documentation

[GetPixel] on MSDN

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            Color backColor = bmp.GetPixel(1, 1);

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    public static extern void glGetPixelMapfv(uint map, float[] values);

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    public static extern void glGetPixelMapuiv(uint map, uint[] values);

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    public static extern void glGetPixelMapusv(uint map, ushort[] values);

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static extern int GdipBitmapGetPixel(HandleRef bitmap, int x, int y,

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Declare Function GdipBitmapGetPixel Lib "gdiplus.dll" (TODO) As TODO

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    Color color = bitmap.GetPixel(int x, int y);

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Documentation

[GdipBitmapGetPixel] on MSDN