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94 lines
1.8 KiB
ObjectPascal
94 lines
1.8 KiB
ObjectPascal
unit AppForm;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, Forms;
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Type
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TInitFormAt = (ifaShow,ifaCreate,ifaActivate);
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{ TAppForm }
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TAppForm = Class(TForm)
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private
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FAfterInit: TNotifyEvent;
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FBeforeInit: TNotifyEvent;
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FInitAt: TInitFormAt;
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Procedure InitForm;
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Protected
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Procedure DoInitForm; virtual;
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Public
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Constructor Create(AOwner : TComponent); override;
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Procedure DoShow; override;
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Procedure Activate; override;
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Published
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// New properties
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Property InitAt : TInitFormAt Read FInitAt Write FinitAt default ifaShow;
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Property BeforeInitForm : TNotifyEvent Read FBeforeInit Write FBeforeInit;
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Property AfterInitForm : TNotifyEvent Read FAfterInit Write FAfterInit;
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// TCustomForm properties that we allow to edit in the IDE.
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property Caption;
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property ActiveControl;
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property BorderStyle;
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property Color;
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property FormStyle;
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property OnClose;
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property OnCloseQuery;
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property OnCreate;
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property OnDeactivate;
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property OnDestroy;
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property OnHide;
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property OnShow;
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property ParentFont;
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property PixelsPerInch;
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property PopupMenu;
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end;
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implementation
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uses custforms;
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{ TAppForm }
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procedure TAppForm.InitForm;
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begin
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If Assigned(BeforeInitForm) then
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BeforeInitForm(Self);
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DoInitForm;
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If Assigned(AfterInitForm) then
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AfterInitForm(Self);
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end;
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procedure TAppForm.DoInitForm;
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begin
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// Do nothing yet.
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end;
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constructor TAppForm.Create(AOwner: TComponent);
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begin
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inherited Create(AOwner);
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if (InitAt=ifaCreate) then
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InitForm;
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end;
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procedure TAppForm.DoShow;
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begin
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If InitAt=ifaShow then
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InitForm;
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inherited DoShow;
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end;
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procedure TAppForm.Activate;
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begin
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if (InitAt=ifaActivate) then
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InitForm;
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inherited Activate;
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end;
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end.
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