Introduce form technology into ActiveX Controls

 

 

I. IntroductionDialog Technology

---- The following describes how to introduce the mode-based dialog box technology when creating ActiveX controls. The procedure is as follows:

 

Create a newThe MFC ActiveX ControlWizard project named Hello. Use the default options for other items;

 

InAdd a dialog box resource on the ResourceView page named IDD_HELLODIALOG.

Put your own controls on the box;

 

Resources for the dialog boxIDD_HELLODIALOG create a new class CHelloDialog, inherited from CDialog;

 

Confirm inThe statement # include "HelloDialog. h" has been added to HelloCtrl. h, which is the CHelloCtrl class.

Add member variablesCHelloDialog m_helloDialog;

 

UseClassWizard adds a method void DoHello () for CHelloCtrl on the Automation page.

The Department name is alsoDoHello;

Void CHelloCtrl: DoHello ()

{

// Display dialog box

M_helloDialog.DoModal ();

}

 

---- ActiveX Control Test Container can be used to Test the DoHello method of Hello Control.

 

---- The following describes how to introduce the mode-free dialog box technology when creating ActiveX controls. The procedure is as follows:

 

Based on the above work, useClassWizard adds the WM_CREATE handler for CHelloCtrl

OnCreate, create a mode-free dialog box here;

 

ModifyDoHello code. The dialog box is displayed here;

Int CHelloCtrl: OnCreate

(Maid)

{

If (COleControl: OnCreate (lpCreateStruct) =-1)

Return-1;

// Create dialog box

M_helloDialog.Create (IDD_HELLODIALOG );

 

Return 0;

}

 

Void CHelloCtrl: DoHello ()

 

{

// Display dialog box

M_helloDialog.ShowWindow (SW_SHOW );

}

 

 

---- The following describes the ActiveX control technology used to create a dialog box. The procedure is as follows:

 

On the basis of the above work, set the dialog box ResourcesThe Style page of The IDD_HELLODIALOG attribute is

Style: Child, Border: Dialog Frame, Title Bar: unchecked; set More Style

Page isVisible: checked; Control: checked; set the Extended Styles page

Static Edge: checked;

 

In