Start creating a dialog box image.
This function signals the start of the image key in a dialog box. This function is used to precede the other dialog box drawing functions: dlg_fill_image, dlg_slide_image, and dlg_vector_image. End the drawing with the dlg_end_image function.
The handle argument is the name of the dialog box.
The key argument identifies the tile.
This function returns RTNORM if successful; otherwise, it returns an error code.
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Programming Overview of SDS™ (Solutions Development System™)