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ʹÓÃÁËRichTextBox1¿Ø¼þ
microsoft rich textbox control6.0


VB code:


Private Sub Command1_Click()
Dim strInput As String
Dim strRichBox As String
Dim intPosition As Integer
strRichBox = RichTextBox1.Text
strInput = InputBox("Please Input KeyWord", "Input")
If strInput = vbNullString Then
Call MsgBox(" Input Value is Null")
Exit Sub

End If

intPosition = InStr(1, strRichBox, strInput)
If intPosition = 0 Then Call MsgBox(" Not Anly String")

Do While intPosition <> 0
With RichTextBox1
.SelStart = intPosition - 1
.SelLength = Len(strInput)
.SelColor = vbRed
End With

intPosition = intPosition + Len(strInput)
If intPosition >= Len(strRichBox) Then Exit Do
intPosition = InStr(intPosition, strRichBox, strInput)
Loop

End Sub




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