تابع AlphaBlend

[asoudeh1]

[برای مشاهده لینکها باید ثبت نام کنید] ]

Private Declare Function AlphaBlend Lib "msimg32" (ByVal hDestDC 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 widthSrc As Long, ByVal heightSrc As Long, ByVal dreamAKA As Long) As BooleanDim nBlend As Long

Private Sub Form_Load()
Me.AutoRedraw = True
HScroll1.Max = 255
With Picture1
.ScaleMode = 3
.Visible = False
.AutoRedraw = True
.AutoSize = True
End With
End Sub

Private Sub HScroll1_Scroll()
nBlend = vbBlue - CLng(HScroll1.Value) * (vbYellow + 1)
Me.Cls
AlphaBlend Me.hDC, 0, 0, Picture1.ScaleWidth, Picture1.ScaleHeight, Picture1.hDC, 0, 0, Picture1.ScaleWidth, Picture1.ScaleHeight, nBlend
End Sub