How to find background colour of Text Box of Edit Control ?

function BackGroundColor()

{

var ULEditBoxObj = getBackGrounddColorObj();

var ULEditBoxObj1 = ULEditBoxObj.WinFormsObject("TextBoxMaskBox", "");

var ULValue = ULEditBoxObj1.wText; // Existing Value of TB

var ULValue = aqConvert.VarToStr(ULValue +1)

Log.Message("U/L New Value-->:" +ULValue);

ULEditBoxObj1.SetFocus();

ULEditBoxObj1.Keys(ULValue);

var color = BuiltIn.clGreen;// Green color value(255)

var ULColor = ULEditBoxObj1.BackColor.DarkGreen.get_DarkGreen();

// var ULColor = aqConvert.VarToInt(ULColor); -->No use of this StMT. Getting error msg here also

if(ULColor == color) //Error MSG-->Object Does not support this proerty/method

{

Log.Message("Green Color");

}

else

{

Log.Message("Color is not green");

}

}