能否设置一个对比标准?比如一个没有图片的文本框?我写了一个简单的代码:'%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% '程序功能:检查富文本框中是否有图片 '程序思想:设置一个没有图片的文本框作为判断标准,用要检测的富文本框何其比较,如果一致,那 ' :么就没有图片,如果不一致,那么就有图片(需要排除文本框中有文字的情况) '%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Option Explicit Private Const WM_PASTE = &H302 Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long Private Declare Function GetPixel Lib "gdi32" (ByVal hdc As Long, ByVal x As Long, ByVal y As Long) As Long Private Sub Command1_Click() Dim lngK As Long Dim lngT As Long Dim lngColorOne As Long Dim lngColorTwo As Long For lngK = 0 To rtbTwo.Width For lngT = 0 To rtbTwo.Height lngColorOne = GetPixel(Me.hdc, rtbOne.Left + lngK, rtbOne.Top + lngT) lngColorTwo = GetPixel(Me.hdc, rtbTwo.Left + lngK, rtbTwo.Top + lngT) If lngColorOne <> lngColorTwo Then MsgBox "有图片", vbOKOnly + vbExclamation, "系统提示" Exit Sub End If Next lngT Next lngK End SubPrivate Sub Form_Load() With Me .ScaleMode = 3 End With End Sub
'%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% '程序功能:检查富文本框中是否有图片 '程序思想:设置一个没有图片的文本框作为判断标准,用要检测的富文本框何其比较,如果一致,那 ' :么就没有图片,如果不一致,那么就有图片(需要排除文本框中有文字的情况) '%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Option Explicit Private Const WM_PASTE = &H302 Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long Private Declare Function GetPixel Lib "gdi32" (ByVal hdc As Long, ByVal x As Long, ByVal y As Long) As Long Private Sub Command1_Click() Dim lngK As Long Dim lngT As Long Dim lngColorOne As Long Dim lngColorTwo As Long rtbTwo.Text = rtbOne.Text For lngK = 0 To rtbTwo.Width For lngT = 0 To rtbTwo.Height lngColorOne = GetPixel(Me.hdc, rtbOne.Left + lngK, rtbOne.Top + lngT) lngColorTwo = GetPixel(Me.hdc, rtbTwo.Left + lngK, rtbTwo.Top + lngT) If lngColorOne <> lngColorTwo Then MsgBox "有图片", vbOKOnly + vbExclamation, "系统提示" Exit Sub End If Next lngT Next lngK MsgBox "没有图片", vbOKOnly + vbExclamation, "系统提示" End SubPrivate Sub Form_Load() With Me .ScaleMode = 3 End With rtbTwo.Width = rtbOne.Width rtbTwo.Height = rtbOne.Height rtbTwo.Text = rtbOne.Text End Sub
本帖最后由 bcrun 于 2010-11-23 10:47:34 编辑
TO cbm666 能不能对图片进行区分?也就是说,我事先对图片编号,当读到图片时,知道是哪一张图片。
'程序功能:检查富文本框中是否有图片
'程序思想:设置一个没有图片的文本框作为判断标准,用要检测的富文本框何其比较,如果一致,那
' :么就没有图片,如果不一致,那么就有图片(需要排除文本框中有文字的情况)
'%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Option Explicit
Private Const WM_PASTE = &H302
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
Private Declare Function GetPixel Lib "gdi32" (ByVal hdc As Long, ByVal x As Long, ByVal y As Long) As Long
Private Sub Command1_Click()
Dim lngK As Long
Dim lngT As Long
Dim lngColorOne As Long
Dim lngColorTwo As Long
For lngK = 0 To rtbTwo.Width
For lngT = 0 To rtbTwo.Height
lngColorOne = GetPixel(Me.hdc, rtbOne.Left + lngK, rtbOne.Top + lngT)
lngColorTwo = GetPixel(Me.hdc, rtbTwo.Left + lngK, rtbTwo.Top + lngT)
If lngColorOne <> lngColorTwo Then
MsgBox "有图片", vbOKOnly + vbExclamation, "系统提示"
Exit Sub
End If
Next lngT
Next lngK
End SubPrivate Sub Form_Load()
With Me
.ScaleMode = 3
End With
End Sub
http://topic.csdn.net/u/20101025/15/792a7779-b872-4f34-8669-c6d1207bd6dd.html
文本里面文字和图片都有
'%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
'程序功能:检查富文本框中是否有图片
'程序思想:设置一个没有图片的文本框作为判断标准,用要检测的富文本框何其比较,如果一致,那
' :么就没有图片,如果不一致,那么就有图片(需要排除文本框中有文字的情况)
'%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Option Explicit
Private Const WM_PASTE = &H302
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
Private Declare Function GetPixel Lib "gdi32" (ByVal hdc As Long, ByVal x As Long, ByVal y As Long) As Long
Private Sub Command1_Click()
Dim lngK As Long
Dim lngT As Long
Dim lngColorOne As Long
Dim lngColorTwo As Long
rtbTwo.Text = rtbOne.Text
For lngK = 0 To rtbTwo.Width
For lngT = 0 To rtbTwo.Height
lngColorOne = GetPixel(Me.hdc, rtbOne.Left + lngK, rtbOne.Top + lngT)
lngColorTwo = GetPixel(Me.hdc, rtbTwo.Left + lngK, rtbTwo.Top + lngT)
If lngColorOne <> lngColorTwo Then
MsgBox "有图片", vbOKOnly + vbExclamation, "系统提示"
Exit Sub
End If
Next lngT
Next lngK
MsgBox "没有图片", vbOKOnly + vbExclamation, "系统提示"
End SubPrivate Sub Form_Load()
With Me
.ScaleMode = 3
End With
rtbTwo.Width = rtbOne.Width
rtbTwo.Height = rtbOne.Height
rtbTwo.Text = rtbOne.Text
End Sub
能不能对图片进行区分?也就是说,我事先对图片编号,当读到图片时,知道是哪一张图片。