ShowBorderRemoveDlg method (LEADDlgImgDoc Control)

C++ Builder example

Delphi 4.0 example

 

Builder Syntax

int ShowBorderRemoveDlg(TWinControl* AOwnerCtrl);

Delphi Syntax

Function ShowBorderRemoveDlg (AOwnerCtrl: TWinControl): L_INT;

Overview

Refer to Using Imaging Common Dialogs.

Remarks

(Document/Medical only) Displays the Border Remove dialog box, and gets the options for BorderRemove method.

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

Value

Meaning

DLG_BORDERREMOVE_AUTOPROCESS

[$00000001] Process the image on OK. The Common Dialog LEADImage property must be assigned a Main Control containing a valid 1-bit bitmap before calling this method.

DLG_BORDERREMOVE_SHOW_CONTEXTHELP

[$00000002] Dialog should contain a context sensitive help icon.

DLG_BORDERREMOVE_SHOW_PREVIEW

[$00000004] Show a preview of the image in the dialog. The Common Dialog LEADImage property must be assigned a Main Control containing a valid 1-bit bitmap before calling this method.

DLG_BORDERREMOVE_SHOW_TOOL_ZOOMLEVEL

[$00000008] Show the "Zoom to fit" and "Zoom Normal" toolbar buttons. The DLG_BORDERREMOVE_SHOW_PREVIEW flag must be set in order to show these buttons.

If you include DLG_BORDERREMOVE_AUTOPROCESS or DLG_BORDERREMOVE_SHOW_PREVIEW in the DlgFlags property, the Common Dialog LEADImage property must be assigned a Main Control containing a valid 1-bit bitmap before calling this method.

The BorderRemove method only works with 1-bit images. If you provide a Main Control in the LEADImage property, it must be contain a valid 1-bit bitmap.

The properties associated with this dialog box are:

ProcessFlags property.

BorderToRemove property.

BorderPercent property.

WhiteNoiseLength property.

Variance property.

DocCleanBitmap property.

DocCleanRgn property.

ModificationColor property.

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

The Border Remove dialog can be seen below:

image\BorderRemove.gif

See Also

Elements:

BorderRemove method, ProcessFlags property, BorderToRemove property, BorderPercent property, WhiteNoiseLength property, Variance property, DocCleanBitmap property, ModificationColor property, ShowHelpButton property, DlgFlags property, ZoomToFit Property, EnableMethodErrors property.

Topics:

Imaging Common Dialogs: Properties, Methods, and Events