incompatible with parameter of type "char *"

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C++

I have some C++ code inside of my library (.h file).
I'm using a Win32 C++ Project in Visual Studio 2010.
Here's my code:

virtual char*         get_T() { return this->t; }
	virtual void          set_T(char *value) { this->t = value; }
	void Draw()
	{
		int img;
		img = ImageAdd(get_T);

	}

private:

    int    m_width;
	int    m_hight;
	int    m_x;
	int    m_y;
    string m_text;
	string m_texture;
	char *t;

And the prototype for ImageAdd() is:

int ImageAdd(char *filename);

I keep getting this error:
"IntelliSense: argument of type "char *(dfButton::*)()" is incompatible with parameter of type "char *"

I need to know how to fix this.

If I need to post more to help let me know.