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Tipp 0095
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Scroll-Text
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Autor/Einsender:
Datum: |
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Klaus Brädler
12.07.2001 |
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VB 5 |
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Mit Hilfe von 2 PictureBoxen, der API-Funktion StretchBlt und eines Timers ist es möglich einen Scrolltext zu erstellen, der sich auch noch in der Geschwindigkeit, wie im Downloadbeispiel sehr schön dargestellt, verändern lässt.
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| Code im Codebereich des Moduls |
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Option Explicit
Public Declare Function StretchBlt Lib "gdi32" (ByVal hDC _
As Long, ByVal x As Long, ByVal y As Long, ByVal nWidth _
As Long, ByVal nHeight As Long, ByVal hSrcDC As Long, _
ByVal XSrc As Long, ByVal YSrc As Long, ByVal nSrcWidth _
As Long, ByVal nSrcHeight As Long, ByVal dwRop As Long) As Long
Public Const SrcCopy = &HCC0020
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| Code im Codebereich der Form |
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Option Explicit
Public StartChar As Integer
Public CharWidth As Integer
Public TextLength As Integer
Public StartX As Long
Private Sub Form_Load()
StartChar = 1
Picture2.Print Mid(Scroll.Text, StartChar)
End Sub
Private Sub Text1_Change()
Timer1.Interval = Val(Text1.Text)
End Sub
Private Sub Timer1_Timer()
StretchBlt Picture1.hDC, 0, 0, Picture1.ScaleWidth, _
Picture1.ScaleHeight, Picture2.hDC, StartX, 0, _
Picture1.ScaleWidth, Picture1.ScaleHeight, SrcCopy
If StartX > Picture2.TextWidth(Mid(Scroll.Text, _
StartChar, 1)) - 2 Then
StartChar = StartChar + 1
StartX = 0
Picture2.Cls
Picture2.Print Mid(Scroll.Text, StartChar)
End If
StartX = StartX + 1
DoEvents
End Sub
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| Windows-Version |
| 95 |
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| 98/SE |
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| ME |
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| NT |
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| 2000 |
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| XP |
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| Vista |
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| Win
7 |
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| VB-Version |
| VBA 5 |
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| VBA 6 |
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| VB 4/16 |
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| VB 4/32 |
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| VB 5 |
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| VB 6 |
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Download (2,6 kB)
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Downloads bisher: [ 2531 ]
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