Starts the creation of an image in the dialog box tile
Supported Platforms: Windows and Mac OS
(start_image key)
Type: String
Value that specifies a tile. This argument is case-sensitive.
Type: String or nil
The key argument, if successful; otherwise nil.
Subsequent calls to fill_image, slide_image, and vector_image affect the created image until the application calls end_image.
Releases:
N/A