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Create Irregular form shapes

Create Irregular form shapes

API Declarations


Left As Long
Top As Long
Right As Long
bottom As Long
End Type


Private Declare Function BeginPath Lib "gdi32" (ByVal hdc As Long) As Long
Private Declare Function TextOut Lib "gdi32" Alias "TextOutA" (ByVal hdc As Long, ByVal X As Long, ByVal Y As Long, ByVal lpString As String, ByVal nCount As Long) As Long
Private Declare Function EndPath Lib "gdi32" (ByVal hdc As Long) As Long
Private Declare Function PathToRegion Lib "gdi32" (ByVal hdc As Long) As Long
Private Declare Function GetRgnBox Lib "gdi32" (ByVal hRgn As Long, lpRect As RECT) As Long
Private Declare Function CreateRectRgnIndirect Lib "gdi32" (lpRect As RECT) As Long
Private Declare Function CombineRgn Lib "gdi32" (ByVal hDestRgn As Long, ByVal hSrcRgn1 As Long, ByVal hSrcRgn2 As Long, ByVal nCombineMode As Long) As Long
Private Const RGN_AND = 1
Private Const RGN_OR = 2
Private Const RGN_XOR = 3
Private Const RGN_DIFF = 4
Private Const RGN_COPY = 5
Private Declare Function DeleteObject Lib "gdi32" (ByVal hObject As Long) As Long
Private Declare Function SetWindowRgn Lib "user32" (ByVal hwnd As Long, ByVal hRgn As Long, ByVal bRedraw As Boolean) As Long
Private Declare Function ReleaseCapture Lib "user32" () As Long
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 Const WM_NCLBUTTONDOWN = &HA1
Private Const HTCAPTION = 2



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    Dim hRgn1 As Long, hRgn2 As Long
    Dim rct As RECT
    
    BeginPath hdc

    TextOut hdc, 10, 10, Chr$(255), 1     'Windows Flag

    'Circle (2000, 2000), 1000            'Circle window

'Create any path you want in this section to create your irregular window.

    EndPath hdc
    
    hRgn1 = PathToRegion(hdc)
    GetRgnBox hRgn1, rct
    hRgn2 = CreateRectRgnIndirect(rct)
    CombineRgn hRgn2, hRgn2, hRgn1, 1
    DeleteObject hRgn1
    GetTextRgn = hRgn2
End Function

Private Sub Form_DblClick()
    Unload Me
End Sub

Private Sub Form_Load()
    Dim hRgn As Long
    Me.Font.Name = "Wingdings"
    Me.Font.Size = 100
    hRgn = GetTextRgn()
    SetWindowRgn hwnd, hRgn, 1
End Sub

Private Sub Form_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
    ReleaseCapture
    SendMessage hwnd, WM_NCLBUTTONDOWN, HTCAPTION, ByVal 0&
End Sub