ShowHalftoneDlg method (ILEADRasterDlgClr)

Syntax	short ShowHalftoneDlg (long hWnd);
Overview	Refer to Using Imaging Common Dialogs

Remarks

Displays the Halftone dialog box, and gets the options for the HalfTone method.

The layout and action of the dialog depends on the flags set in the UIFlags property. Possible options are:

Value	Meaning
HALFTONE_AUTOPROCESS	[0x00000001] process the image on OK. The Common Dialog Bitmap property must be assigned a valid bitmap before calling this method.
HALFTONE_SHOW_CONTEXTHELP	[0x00000002] dialog should contain a context sensitive help icon.
HALFTONE_SHOW_PREVIEW	[0x00000004] show a preview of the image in the dialog. The Common Dialog Bitmap property must be assigned a valid bitmap before calling this method.
HALFTONE_SHOW_TOOL_ZOOMLEVEL	[0x00000008] show the "Zoom to fit" and "Zoom Normal" toolbar buttons. The HALFTONE_SHOW_PREVIEW flag must be set in order to show these buttons.

If you include HALFTONE_AUTOPROCESS or HALFTONE_SHOW_PREVIEW in the UIFlags property, the Common Dialog Bitmap property must be assigned a valid bitmap before calling this method.

The following properties are associated with this dialog: the Dimension property, the Angle property, and the HalftoneType property.

To include a Help button in the dialog, set the ShowHelpButton property to VARIANT_TRUE.

The Halftone dialog can be seen below:

$image\Halftone.gif$