Get Image from Resource for Create Addin ArcGis

Add reference using ESRI.ArcGIS.ADF.Local and stdole.

public IPictureMarkerSymbol CreateMarker() {
    IRgbColor color = new RgbColor();
    color.Red = 255;
    color.Green = 255;
    color.Blue = 255;
    // Create the EMF Marker and assign properties.
    // Create the Bitmap Marker and assign properties.
    IPictureMarkerSymbol bmpMarkerSymbol = new PictureMarkerSymbol();
    Bitmap bitmap = Properties.Resources.Exit;
    // IPictureMarkerSymbol markerSymbol = new PictureMarkerSymbol();
    bmpMarkerSymbol.Picture = ESRI.ArcGIS.ADF.COMSupport.OLE.GetIPictureDispFromBitmap(bitmap) as stdole.IPictureDisp;
    //bmpMarkerSymbol.CreateMarkerSymbolFromFile(esriIPictureType.esriIPictureBitmap, "C:\\temp\\Exit.bmp");
    bmpMarkerSymbol.Angle = 0;
    bmpMarkerSymbol.Color = color; //.setBitmapTransparencyColor(color);
    bmpMarkerSymbol.Size = 32; //.setSize(32);
    bmpMarkerSymbol.XOffset = 0; //.setXOffset(0);
    bmpMarkerSymbol.YOffset = 0; //.setYOffset(0);
    return bmpMarkerSymbol;
}