Hide And Show The Title Bar At Run-Time

'This example allow you also to make A Resizeable form without titlebar.
'Add 2 Command Buttons to your Form. By clicking the first, you will hide the titlebar.
'By clicking the second, you will show it again. Warning: if you will click one of the
'buttons twice a row, For example pressing the hide titlebar button when the titlebar
'is already hidden, and vise versia, you will have errors.
'Insert the following code to your form:

Private Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" _
(ByVal hwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
Private Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" _
(ByVal hwnd As Long, ByVal nIndex As Long) As Long
Private Const GWL_STYLE = (-16)
Private Const WS_CAPTION = &HC00000
Private Const WS_MAXIMIZEBOX = &H10000
Private Const WS_MINIMIZEBOX = &H20000
Private Const WS_SYSMENU = &H80000

Private Declare Function SetWindowPos Lib "user32" (ByVal hwnd As Long, ByVal _
hWndInsertAfter As Long, ByVal x As Long, ByVal y As Long, ByVal cx As Long, _
ByVal cy As Long, ByVal wFlags As Long) As Long
Private Enum ESetWindowPosStyles
SWP_SHOWWINDOW = &H40
SWP_HIDEWINDOW = &H80
SWP_FRAMECHANGED = &H20
SWP_NOACTIVATE = &H10
SWP_NOCOPYBITS = &H100
SWP_NOMOVE = &H2
SWP_NOOWNERZORDER = &H200
SWP_NOREDRAW = &H8
SWP_NOREPOSITION = SWP_NOOWNERZORDER
SWP_NOSIZE = &H1
SWP_NOZORDER = &H4
SWP_DRAWFRAME = SWP_FRAMECHANGED
HWND_NOTOPMOST = -2
End Enum

Private Declare Function GetWindowRect Lib "user32" (ByVal hwnd As Long, _
lpRect As RECT) As Long
Private Type RECT
Left As Long
Top As Long
Right As Long
Bottom As Long
End Type

Private Function ShowTitleBar(ByVal bState As Boolean)
Dim lStyle As Long
Dim tR As RECT


GetWindowRect Me.hwnd, tR

lStyle = GetWindowLong(Me.hwnd, GWL_STYLE)
If (bState) Then
Me.Caption = Me.Tag
If Me.ControlBox Then
lStyle = lStyle Or WS_SYSMENU
End If
If Me.MaxButton Then
lStyle = lStyle Or WS_MAXIMIZEBOX
End If
If Me.MinButton Then
lStyle = lStyle Or WS_MINIMIZEBOX
End If
If Me.Caption <> "" Then
lStyle = lStyle Or WS_CAPTION
End If
Else
Me.Tag = Me.Caption
Me.Caption = ""
lStyle = lStyle And Not WS_SYSMENU
lStyle = lStyle And Not WS_MAXIMIZEBOX
lStyle = lStyle And Not WS_MINIMIZEBOX
lStyle = lStyle And Not WS_CAPTION
End If
SetWindowLong Me.hwnd, GWL_STYLE, lStyle

SetWindowPos Me.hwnd, 0, tR.Left, tR.Top, tR.Right - tR.Left, tR.Bottom - tR.Top, _
SWP_NOREPOSITION Or SWP_NOZORDER Or SWP_FRAMECHANGED
Me.Refresh
End Function

Private Sub Command1_Click()
ShowTitleBar False
End Sub

Private Sub Command2_Click()
ShowTitleBar True
End Sub

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