Draws a string in the edit control. 
- Returns
- Horizontal dimension of the string in logical units.
Called by the framework to draw a string in the edit control inside the bounding rectangle specified by rect. You can override this function in a derived class to customize the string drawing. 
- Parameters
- 
  
    | pDC | A pointer to a device context. |  | str | Contains the text string to be displayed. |  | rect | The bounding rectangle. |  | nOrigin | Specifies the x-coordinate of the starting position from which tabs are expanded (in logical units). |  | clrBack | Specifies the string's background color. |