ShowCanvasResizeDlg method (LEADDlgImage Control)
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Builder Syntax |
int ShowCanvasResizeDlg(TWinControl* AOwnerCtrl); |
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Delphi Syntax |
Function ShowCanvasResizeDlg (AOwnerCtrl: TWinControl ): L_INT; |
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Overview |
Refer to Using Imaging Common Dialogs. |
Remarks
Displays the CanvasResize dialog box.
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_CANVASRESIZE_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_CANVASRESIZE_SHOW_CONTEXTHELP |
[$00000002] Dialog should contain a context sensitive help icon. |
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DLG_CANVASRESIZE_SHOW_CURRENT_HEIGHT |
[$00000004] Dialog should contain the Current Height static control. |
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DLG_CANVASRESIZE_SHOW_CURRENT_WIDTH |
[$00000008] Dialog should contain the Current Width static control. |
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DLG_CANVASRESIZE_SHOW_HORIZPOS |
[$00000010] Dialog should contain the Horizontal position. |
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DLG_CANVASRESIZE_SHOW_VERTPOS |
[$00000020] Dialog should contain the Vertical position. |
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DLG_CANVASRESIZE_SHOW_BACKCOLOR |
[$00000040] Dialog should contain a background color picker button. |
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DLG_CANVASRESIZE_SHOW_KEEPASPECT |
[$00000080] Dialog should contain the Maintain Aspect Ratio check box. |
If you include DLG_CANVASRESIZE_AUTOPROCESS 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:
CurrentWidth property.
CurrentHeight property.
TopLeftPoint property.
NewWidth property.
BackgroundColor property.
NewHeight property.
To include a Help button in the dialog, set the ShowHelpButton property to TRUE.
The Canvas Resize dialog can be seen below:
See Also