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RedArea = (BarEndColor And &HFF) - (BarStartColor And &HFF) For i = 0 To BarWidth - 1 red = Int(BarStartColor And &HFF) + Int(i / BarWidth * RedArea) green = (Int(BarStartColor / &H100) And &HFF) + Int(i / BarWidth * GreenArea) blue = Int(BarStartColor / &H10000) + Int(i / BarWidth * BlueArea) hPen = CreatePen(PS_SOLID, 1, RGB(red, green, blue)) Call SelectObject(.hdc, hPen) Call MoveToEx(.hdc, i, 0, 0) Call LineTo(.hdc, i, barRect.Bottom) Call DeleteObject(hPen) Next i Case LBS_VERTICALCOLOR '''' 垂直过渡色 BlueArea = Int(BarEndColor / &H10000) - Int(BarStartColor / &H10000) GreenArea = (Int(BarEndColor / &H100) And &HFF) - (Int(BarStartColor / &H100) And &HFF) RedArea = (BarEndColor And &HFF) - (BarStartColor And &HFF) For i = 0 To barRect.Bottom red = Int(BarStartColor And &HFF) + Int(i / (barRect.Bottom + 1) * RedArea) green = (Int(BarStartColor / &H100) And &HFF) + Int(i / (barRect.Bottom + 1) * GreenArea) blue = Int(BarStartColor / &H10000) + Int(i / (barRect.Bottom + 1) * BlueArea) hPen = CreatePen(PS_SOLID, 1, RGB(red, green, blue)) Call SelectObject(.hdc, hPen) Call MoveToEx(.hdc, 0, i, 0) Call LineTo(.hdc, barRect.Right, i) Call DeleteObject(hPen) Next i Case LBS_IMAGE '''' 图像 If BarImage.Handle <> 0 Then Dim barhDC As Long barhDC = CreateCompatibleDC(GetDC(0)) SelectObject barhDC, BarImage.Handle BitBlt .hdc, 0, 0, BarWidth, barRect.Bottom - barRect.Top + 1, barhDC, 0, 0, vbSrcCopy DeleteDC barhDC End If End Select &nbs 上一页 [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] ... 下一页 >>
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