81 lines
2.6 KiB
QBasic
Executable File
81 lines
2.6 KiB
QBasic
Executable File
Attribute VB_Name = "GlassForm"
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Option Explicit
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Public Declare Function CreateRectRgn Lib "gdi32" (ByVal X1 As Long, ByVal Y1 As Long, ByVal X2 As Long, ByVal Y2 As Long) As Long
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Public Declare Function CombineRgn Lib "gdi32" (ByVal hDestRgn As Long, ByVal hSrcRgn1 As Long, ByVal hSrcRgn2 As Long, ByVal nCombineMode As Long) As Long
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Public Declare Function SetWindowRgn Lib "user32" (ByVal hwnd As Long, ByVal hRgn As Long, ByVal bRedraw As Long) As Long
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Public Function GlassifyForm(frm As Form)
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Const RGN_DIFF = 4
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Const RGN_OR = 2
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Dim outer_rgn As Long
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Dim inner_rgn As Long
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Dim wid As Single
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Dim hgt As Single
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Dim border_width As Single
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Dim title_height As Single
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Dim ctl_left As Single
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Dim ctl_top As Single
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Dim ctl_right As Single
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Dim ctl_bottom As Single
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Dim control_rgn As Long
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Dim combined_rgn As Long
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Dim ctl As Control
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If frm.WindowState = vbMinimized Then Exit Function
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' Create the main form region.
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wid = frm.ScaleX(frm.Width, vbTwips, vbPixels)
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hgt = frm.ScaleY(frm.Height, vbTwips, vbPixels)
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outer_rgn = CreateRectRgn(0, 0, wid, hgt)
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border_width = (wid - frm.ScaleWidth) / 2
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title_height = hgt - border_width - frm.ScaleHeight
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inner_rgn = CreateRectRgn( _
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border_width, _
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title_height, _
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wid - border_width, _
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hgt - border_width)
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' Subtract the inner region from the outer.
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combined_rgn = CreateRectRgn(0, 0, 0, 0)
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CombineRgn combined_rgn, outer_rgn, _
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inner_rgn, RGN_DIFF
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On Error Resume Next
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' Create the control regions.
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For Each ctl In frm.Controls
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If ctl.Container Is frm Then
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ctl_left = frm.ScaleX(ctl.Left, frm.ScaleMode, vbPixels) _
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+ border_width
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ctl_top = frm.ScaleX(ctl.Top, frm.ScaleMode, vbPixels) _
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+ title_height
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ctl_right = frm.ScaleX(ctl.Width, frm.ScaleMode, vbPixels) _
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+ ctl_left
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ctl_bottom = frm.ScaleX(ctl.Height, frm.ScaleMode, vbPixels) _
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+ ctl_top
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control_rgn = CreateRectRgn( _
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ctl_left, ctl_top, _
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ctl_right, ctl_bottom)
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CombineRgn combined_rgn, combined_rgn, _
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control_rgn, RGN_OR
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End If
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Next ctl
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' Restrict the window to the region.
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SetWindowRgn frm.hwnd, combined_rgn, True
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End Function
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'Gebruik:
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'GlassifyForm [Form]
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'LET OP!
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'de instellingen van het formulier moeten er zo uit zien:
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'PaletteMode = 1
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'Left = 0 (of 1 voor een verschuivend effect)
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'ScaleLeft = 0
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'ScaleMode = 3 (Pixel)
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'ScaleTop = 0
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'Top moet ingevuld zijn
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