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Dicas
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Visual Basic (Miscelâneas)
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Título da Dica: Usando a função da API DrawCaption
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Postada em 18/10/2002 por Jean Carlos
Const DC_ACTIVE = &H1
Const DC_ICON = &H4
Const DC_TEXT = &H8
Const BDR_SUNKENOUTER = &H2
Const BDR_RAISEDINNER = &H4
Const EDGE_ETCHED = (BDR_SUNKENOUTER Or BDR_RAISEDINNER)
Const BF_BOTTOM = &H8
Const BF_LEFT = &H1
Const BF_RIGHT = &H4
Const BF_TOP = &H2
Const BF_RECT = (BF_LEFT Or BF_TOP Or BF_RIGHT Or BF_BOTTOM)
Const DFC_BUTTON = 4
Const DFCS_BUTTON3STATE = &H10
Const DT_CENTER = &H1
Private Type RECT
Left As Long
Top As Long
Right As Long
Bottom As Long
End Type
Private Declare Function DrawCaption Lib "user32" (ByVal hWnd As Long, ByVal hdc As Long, pcRect As RECT, ByVal un As Long) As Long
Private Declare Function DrawEdge Lib "user32" (ByVal hdc As Long, qrc As RECT, ByVal edge As Long, ByVal grfFlags As Long) As Long
Private Declare Function DrawFocusRect Lib "user32" (ByVal hdc As Long, lpRect As RECT) As Long
Private Declare Function DrawFrameControl Lib "user32" (ByVal hdc As Long, lpRect As RECT, ByVal un1 As Long, ByVal un2 As Long) As Long
Private Declare Function DrawText Lib "user32" Alias "DrawTextA" (ByVal hdc As Long, ByVal lpStr As String, ByVal nCount As Long, lpRect As RECT, ByVal wFormat As Long) As Long
Private Declare Function SetRect Lib "user32" (lpRect As RECT, ByVal X1 As Long, ByVal Y1 As Long, ByVal X2 As Long, ByVal Y2 As Long) As Long
Private Declare Function OffsetRect Lib "user32" (lpRect As RECT, ByVal x As Long, ByVal y As Long) As Long
Private Sub Form_Paint()
'KPD-Team 1999
'Pieter Philippaerts
'E-Mail: KPD_Team@Hotmail.com
Dim R As RECT
Me.Cls
Me.ScaleMode = vbPixels
SetRect R, 0, 0, Me.ScaleWidth, 20
DrawCaption Me.hWnd, Me.hdc, R, DC_ACTIVE Or DC_ICON Or DC_TEXT
OffsetRect R, 0, 22
DrawEdge Me.hdc, R, EDGE_ETCHED, BF_RECT
OffsetRect R, 0, 22
DrawFocusRect Me.hdc, R
OffsetRect R, 0, 22
DrawFrameControl Me.hdc, R, DFC_BUTTON, DFCS_BUTTON3STATE
OffsetRect R, 0, 22
DrawText Me.hdc, "Hello World !", Len("Hello World !"), R, DT_CENTER
End Sub
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