Sets the background image.

procedure PIP_Background_Image_Set(Filename: WideString);

__fastcall PIP_Background_Image_Set(BSTR Filename);

public PIP_Background_Image_Set(String Filename);

Public Sub PIP_Background_Image_Set(Filename As String)

public PIP_Background_Image_Set(string Filename);

PIP_Background_Image_Set(BSTR Filename);

PIP_Background_Image_Set

public PIP_Background_Image_Set($Filename);