ShowGetGradientDlg method (LEADDlgEffect Control)
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Builder Syntax |
int ShowGetGradientDlg(TWinControl* AOwnerCtrl); |
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Delphi Syntax |
Function ShowGetGradientDlg (AOwnerCtrl: TWinControl ): L_INT; |
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Overview |
Refer to Using Imaging Common Dialogs. |
Remarks
Displays the GetGradient dialog box, and gets the options for the Gradient properties.
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_GRADIENT_SHOW_CONTEXTHELP |
[$00000001] Dialog should contain a context sensitive help icon. |
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DLG_GRADIENT_SHOW_PREVIEW |
[$00000002] 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. |
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DLG_GRADIENT_AUTOPREVIEW |
[$00000004] Auto preview when options change |
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DLG_GRADIENT_STARTCOLOR |
[$00000008] Start color is an option |
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DLG_GRADIENT_ENDCOLOR |
[$00000010] End color is an option |
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DLG_GRADIENT_STEPS |
[$00000020] gradient steps is an option |
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DLG_GRADIENT_NO_TREEVIEW |
[$00000040] DO NOT use TreeView |
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DLG_GRADIENT_CLASS_LINEAR |
[$00000080] Linear gradients are an option |
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DLG_GRADIENT_CLASS_ANGULAR |
[$00000100] Angular gradients are an option |
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DLG_GRADIENT_CLASS_RECTANGULAR |
[$00000200] Rectangular gradients are an option |
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DLG_GRADIENT_CLASS_ELLIPTICAL |
[$00000400] Elliptical gradients are an option |
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DLG_GRADIENT_CLASS_CONICAL |
[$00000800] Conical gradients are an option |
These values may be combined by ORing them.
If you include DLG_GRAD_SHOWPREVIEW in the DlgFlags property, the Common Dialog LEADImage property must be assigned a Main Control containing a valid bitmap before calling this method.
The following properties are associated specifically with this method:
GradientStyle property
GradientSteps property
StartColor property
EndColor property
To include a Help button in the dialog, set the ShowHelpButton property to TRUE.
The GetGradient dialog can be seen below:
See Also