Declare Function CreateSolidBrush Lib "gdi32" (ByVal crColor As Long) As Integer
Declare Function FillRect Lib "USER32" (ByVal hDC As Integer, lpRect As RECT, ByVal hBrush As Integer) As Integer
Declare Function DeleteObject Lib "gdi32" (ByVal hObject As Integer) As Integer'''''''''''''''''''''''''''''''''''''''''''''''
Type RECT
left As Integer
top As Integer
right As Integer
bottom As IntegerEnd Type Private Sub Form_Paint()
Dim Color As Integer
Dim hBrush As Integer
Dim OldMode As Integer
Dim RetVal As Integer
Dim StepSize As Integer
Dim X As Integer
Dim FillArea As RECT
OldMode = Me.ScaleMode
Me.ScaleMode = 3
StepSize = 1 + Me.ScaleHeight / 80
Color = 255
FillArea.left = 0
FillArea.right = Me.ScaleWidth
FillArea.top = 0
FillArea.bottom = StepSize
For X = 1 To 80
hBrush = CreateSolidBrush(RGB(0, 255, Color))
RetVal = FillRect(Me.hDC, FillArea, hBrush)
RetVal = DeleteObject(hBrush)
Color = Color - 4
If Color < 0 Then
Color = 0
FillArea.top = FillArea.bottom
End If
FillArea.bottom = FillArea.bottom + StepSize
Next
Me.ScaleMode = OldMode
End SubRetVal = FillRect(Me.hDC, FillArea, hBrush)有溢出错误
请问如何解决
谢谢
Declare Function FillRect Lib "USER32" (ByVal hDC As Integer, lpRect As RECT, ByVal hBrush As Integer) As Integer
Declare Function DeleteObject Lib "gdi32" (ByVal hObject As Integer) As Integer'''''''''''''''''''''''''''''''''''''''''''''''
Type RECT
left As Integer
top As Integer
right As Integer
bottom As IntegerEnd Type Private Sub Form_Paint()
Dim Color As Integer
Dim hBrush As Integer
Dim OldMode As Integer
Dim RetVal As Integer
Dim StepSize As Integer
Dim X As Integer
Dim FillArea As RECT
OldMode = Me.ScaleMode
Me.ScaleMode = 3
StepSize = 1 + Me.ScaleHeight / 80
Color = 255
FillArea.left = 0
FillArea.right = Me.ScaleWidth
FillArea.top = 0
FillArea.bottom = StepSize
For X = 1 To 80
hBrush = CreateSolidBrush(RGB(0, 255, Color))
RetVal = FillRect(Me.hDC, FillArea, hBrush)
RetVal = DeleteObject(hBrush)
Color = Color - 4
If Color < 0 Then
Color = 0
FillArea.top = FillArea.bottom
End If
FillArea.bottom = FillArea.bottom + StepSize
Next
Me.ScaleMode = OldMode
End SubRetVal = FillRect(Me.hDC, FillArea, hBrush)有溢出错误
请问如何解决
谢谢
Private Type RECT
left As Long
top As Long
right As Long
bottom As LongEnd Type
Private Declare Function CreateSolidBrush Lib "gdi32" (ByVal crColor As Long) As Long
Private Declare Function FillRect Lib "USER32" (ByVal hDC As Long, lpRect As RECT, ByVal hBrush As Long) As Long
Private Declare Function DeleteObject Lib "gdi32" (ByVal hObject As Long) As Long
Private Sub Form_Paint()
Dim Color As Long
Dim hBrush As Long
Dim OldMode As Long
Dim RetVal As Long
Dim StepSize As Long
Dim X As Long
Dim FillArea As RECT
OldMode = Me.ScaleMode
Me.ScaleMode = 3
StepSize = 1 + Me.ScaleHeight / 80
Color = 255
FillArea.left = 0
FillArea.right = Me.ScaleWidth
FillArea.top = 0
FillArea.bottom = StepSize
For X = 1 To 80
hBrush = CreateSolidBrush(RGB(0, 255, Color))
RetVal = FillRect(Me.hDC, FillArea, hBrush)
RetVal = DeleteObject(hBrush)
Color = Color - 4
If Color < 0 Then
Color = 0
FillArea.top = FillArea.bottom
End If
FillArea.bottom = FillArea.bottom + StepSize
Next
Me.ScaleMode = OldMode
End Sub