Invokes the image selection dialog.
Opens a dialog letting a user choose an image.
| callback |
The callback PDB proc to call when user chooses an image. |
| popup_title |
Title of the image selection dialog. |
| initial_image |
The image to set as the initial choice. |
| parent_window |
An optional parent window handle for the popup to be set transient to. |
|
TRUE on success. |