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Class: CaptionlessWindowMover in Category Microsoft Visual Basic 6 : Forms from Total Visual SourceBook

Class that allows the user to move a form with the mouse, even if it doesn't have a caption in VB6.

If you create a form without a caption bar, there is normally no way for the user to move it with a mouse. If you wish to allow the user to move the form with a mouse by dragging on any part of the form, not just the caption, you can use this class to handle the mouse-related events required to make this happen.

Procedure List

Procedure Name	Type	Description
(Declarations)	Declarations	Declarations and private variables for the CCaptionlessWindowMover class.
Form	Property	Get a pointer to the form previously assigned.
Class_Terminate	Terminate	Release storage for local object variables.
HandleMouseDown	Method	Handle the MouseDown event of the encapsulated form (call from this method from the form's MouseDown event).
HandleMouseMove	Method	Handle the MouseMove event of the encapsulated form (call from this method from the form's MouseMove event).
HandleMouseUp	Method	Handle the MouseUp event of the encapsulated form (call from this method from the form's MouseUp event).

Example Code for Using Class: CaptionlessWindowMover

' Example of the CCaptionlessWindowMover class
'
' To try this example, do the following:
' 1. Create a new form
' 2. Paste all the code from this example to the new form's module
' 4. Run the form, and try moving the form around by clicking anywhere on the body of the form and dragging

' In the Declarations section of the form define the variable
Private mCaptionlessWindowMover As CCaptionlessWindowMover

Private Sub Form_Load()
  ' Assign a form to the variable
  Set mCaptionlessWindowMover = New CCaptionlessWindowMover
  Set mCaptionlessWindowMover.Form = Me
End Sub

Private Sub Form_MouseDown(Button As Integer, Shift As Integer, x As Single, Y As Single)
  ' Handle the form's MouseDown event
  mCaptionlessWindowMover.HandleMouseDown x, Y
End Sub

Private Sub Form_MouseMove(Button As Integer, Shift As Integer, x As Single, Y As Single)
  ' Handle the form's MouseMove event
  mCaptionlessWindowMover.HandleMouseMove x, Y
End Sub

Private Sub Form_MouseUp(Button As Integer, Shift As Integer, x As Single, Y As Single)
  ' Handle the form's MouseUp event
  mCaptionlessWindowMover.HandleMouseUp
End Sub

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