ShowRotateDlg method (LEADDlgImage Control)

C++ Builder example

Delphi 4.0 example

 

Builder Syntax

int ShowRotateDlg(TWinControl* AOwnerCtrl);

Delphi Syntax

Function ShowRotateDlg (AOwnerCtrl: TWinControl): L_INT;

Overview

Refer to Using Imaging Common Dialogs.

Remarks

Displays the Rotate dialog box, and gets the options for the Rotate method.

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

Value

Meaning

DLG_ROTATE_AUTOPROCESS

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

DLG_ROTATE_SHOW_CONTEXTHELP

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

DLG_ROTATE_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 bitmap before calling this method.

DLG_ROTATE_SHOW_BACKCOLOR

[$00000008] Dialog will show the background color button.

DLG_ROTATE_SHOW_RESIZE

[$00000010] Dialog will show the resize check box.

If you include DLG_ROTATE_AUTOPROCESS or DLG_ROTATE_SHOW_PREVIEW in the DlgFlags property, the LEADImage property must be assigned a Main Control containing a valid bitmap before calling this method.

The properties associated with this dialog are:

Angle property.

Resize property.

RotateFlags property.

BackgroundColor property.

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

The Rotate dialog can be seen below:

image\Rotate.gif

See Also

Elements:

Rotate method, Angle property, Resize property, RotateFlags property, BackgroundColor property, ShowHelpButton property, DlgFlags property, ZoomToFit Property, EnableMethodErrors property.

Topics:

Imaging Common Dialogs: Properties, Methods, and Events