Visual Basic Code of the Week (COTW)
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Issue #3
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Requirements for this Issue

The source code in this issue is designed for Visual Basic 4.0 and higher. Similiar techniques can be used for Visual Basic 3.0. If anyone is interested in VB 3.0 source code, please contact us.

In this Issue

In this issue we are going to discuss a few routines that will help make your applications a bit more professional. These routines can be used to save and restore the position of all the forms in your application. There are two subroutines necessary to achieve this goal.

COTWSaveWindowPos Subroutine

Saves the top, left, width, and height of the form you specify into the registry.

Syntax

COTWSaveWindowPos(WindowName, Form)

Parameters

WindowName - This is the key name for the window positions you want to save. This should be unique for each window in your application
Form - This is the form object of the window you want to save.

Sample Call

 
COTWSaveWindowPos("Data Entry", Me)
Note: You probably want to put this call in the Form_Unload event of each form that you want to save the position.

COTWRestoreWindowPos Subroutine

Retrieves the top, left, width, and height of the form you specify from information stored by COTWSaveWindowPos. It will actually move the window specified in the call to COTWRestoreWindowPos to the coordinates stored by COTWSaveWindowPos. If COTWSaveWindowPos was never called for this form, it will leave the form where it was before COTWRestoreWindowPos was called.

Syntax

COTWRestoreWindowPos(WindowName, Form)

Parameters

WindowName - This is the key name for the window positions you want to retreive. This should be unique for each window in your application. It should be the same as used in the call to COTWSaveWindowPos
Form - This is the form object of the window you want to retrieve.

Sample Call

 
COTWRestoreWindowPos("Data Entry", Me)
Note: You probably want to put this call in the Form_Load event of each form that you want to restore the position.

Source Code

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Summary

That concludes this issue of COTW. We hope you find the source code useful in your development.

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