ShowShiftDifferenceFilterDlg method (LEADDlgImgEffect Control)
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Builder Syntax |
int ShowShiftDifferenceFilterDlg(TWinControl* AOwnerCtrl); |
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Delphi Syntax |
Function ShowShiftDifferenceFilterDlg (AOwnerCtrl: TWinControl ): L_INT; |
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Overview |
Refer to Using Imaging Common Dialogs. |
Remarks
Displays the Shift and Difference Filter dialog box, and gets the options for the SpatialFilter method.
The layout and action of the dialog depends on the flags set in the DlgFlags property. Possible options are:
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Value |
Meaning |
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DLG_SHIFTDIFFERENCEFILTER_AUTOPROCESS |
[$00000001] Process the image on OK. The LEADImage property must be assigned a Main Control containing a valid bitmap before calling this method. |
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DLG_SHIFTDIFFERENCEFILTER_SHOW_CONTEXTHELP |
[$00000002] Dialog should contain a context sensitive help icon. |
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DLG_SHIFTDIFFERENCEFILTER_SHOW_PREVIEW |
[$00000004] Show a preview of the image in the dialog. The LEADImage property must be assigned a Main Control containing a valid bitmap before calling this method. |
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DLG_SHIFTDIFFERENCEFILTER_SHOW_TOOL_ZOOMLEVEL |
[$00000008] Show the "Zoom to fit" and "Zoom Normal" toolbar buttons. The DLG_SHIFTDIFFERENCEFILTER_SHOW_PREVIEW flag must be set in order to show these buttons. |
If you include DLG_SHIFTDIFFERENCEFILTER_AUTOPROCESS or DLG_SHIFTDIFFERENCEFILTER_SHOW_PREVIEW in the DlgFlags property, the LEADImage property must be assigned a Main Control containing a valid bitmap before calling this method.
The property associated with this dialog box is:
SpatialFilterType property.
To include a Help button in the dialog, set the ShowHelpButton property to TRUE.
The Shift and Difference dialog can be seen below:
See Also
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Elements: |
SpatialFilter method, SpatialFilterType property, ShowHelpButton property, ZoomToFit Property, DlgFlags property, EnableMethodErrors property, LEADImage property |
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Topics: |