How to Transparent text Box by CreateWindowEx(edit)?
.BackgroundBrush = CreatePatternBrush(Form1.Image1.Picture.Handle) 'IT'S good
CODE FROM HERE
YOU GUYS MUST BE SMARTER THAN THIS...-VBForums
https://www.vbforums.com/showthread....92#post5516192
in form1:
.BackgroundBrush = CreatePatternBrush(Form1.Image1.Picture.Handle) 'IT'S good
CODE FROM HERE
YOU GUYS MUST BE SMARTER THAN THIS...-VBForums
https://www.vbforums.com/showthread....92#post5516192
Code:
Option Explicit
Private Const GWL_EXSTYLE = -20
Private Const WS_EX_LAYERED = &H80000
Private Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongW" ( _
ByVal hwnd As Long, _
ByVal nIndex As Long) As Long
Private Const NULL_BRUSH = 5
Private Const HOLLOW_BRUSH = NULL_BRUSH
Declare Function GetStockObject Lib "gdi32" (ByVal nIndex As Long) As Long
Private Declare Function CreateWindowEx Lib "user32" Alias "CreateWindowExA" (ByVal dwExStyle As Long, ByVal lpClassName As String, ByVal lpWindowName As String, ByVal dwStyle As Long, ByVal x As Long, ByVal y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal hWndParent As Long, ByVal hMenu As Long, ByVal hInstance As Long, lpParam As Any) As Long
Private Declare Function ShowWindow Lib "user32" (ByVal hwnd As Long, ByVal nCmdShow As Long) As Long
Private Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
Private Declare Function CallWindowProc Lib "user32" Alias "CallWindowProcA" (ByVal lpPrevWndFunc As Long, ByVal hwnd As Long, ByVal Msg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Private Declare Function CreateSolidBrush Lib "gdi32" (ByVal crColor As Long) As Long
Private Declare Function DeleteObject Lib "gdi32" (ByVal hObject As Long) As Long
Public Declare Function SetBkMode Lib "gdi32.dll" ( _
ByVal hdc As Long, _
ByVal nBkMode As Long) As Long
Private Declare Function SetTextColor Lib "gdi32" (ByVal hdc As Long, ByVal crColor As Long) As Long
Private Declare Function GetBkColor Lib "gdi32" (ByVal hdc As Long) As Long
Declare Function GetDC Lib "user32" (ByVal hwnd As Long) As Long
Private Const WS_EX_CLIENTEDGE = &H200
Private Const WS_CHILD = &H40000000
Private Const SW_SHOWNORMAL = 1
Private Const GWL_WNDPROC = (-4)
Private Const WM_CTLCOLOREDIT = &H133
Private Const WM_CTLCOLORSTATIC = &H138
Private lFormWndProc As Long
Public Type Editbox
hwnd As Long
ForeColor As Long
BackgroundBrush As Long
Index As Long
End Type
Private tEditBoxes() As Editbox
Private lEditBoxCount As Long
Dim TxtHwnd As Long
Public Const TRANSPARENT As Long = 1
Public Function FormWindowProc(ByVal hwnd As Long, ByVal Msg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Dim tEditBox As Editbox
If Msg = WM_CTLCOLOREDIT Then
'CTLCOLOR_EDIT: //对所有编辑框控件的设置
tEditBox = GetEditBox(lParam)
'lParam就是控件句柄
If tEditBox.hwnd Then
With tEditBox
'Debug.Print "do tEditBox"
Dim OldBKMode As Long
OldBKMode = SetBkMode(wParam, TRANSPARENT)
Call SetTextColor(wParam, .ForeColor)
If .BackgroundBrush Then
Debug.Print "Delete_BackgroundBrush"
Call DeleteObject(.BackgroundBrush)
End If
Debug.Print "set BackgroundBrush"
' .BackgroundBrush = CreateSolidBrush(GetBkColor(wParam))
.BackgroundBrush = CreatePatternBrush(Form1.Image1.Picture.Handle)
'CreateSolidBrush(GetStockObject(HOLLOW_BRUSH))
'CreateSolidBrush (GetBkColor(wParam))
FormWindowProc = .BackgroundBrush
End With
Exit Function
End If
' ElseIf Msg = WM_CTLCOLORSTATIC Then
' Debug.Print "WM_CTLCOLORSTATIC"
End If
FormWindowProc = CallWindowProc(lFormWndProc, hwnd, Msg, wParam, lParam)
End Function
Public Function SubClassForm(ByVal hwnd As Long) As Boolean
If lFormWndProc Then Exit Function
lFormWndProc = SetWindowLong(hwnd, GWL_WNDPROC, AddressOf FormWindowProc)
SubClassForm = True
End Function
Public Function RemoveFormSubclassing(ByVal hwnd As Long) As Boolean
If lFormWndProc Then Exit Function
Call SetWindowLong(hwnd, GWL_WNDPROC, lFormWndProc)
RemoveFormSubclassing = True
End Function
Public Function CreateEditbox(ByVal ParentHwnd As Long, ByVal Left As Long, ByVal Top As Long, ByVal Width As Long, ByVal Height As Long) As Editbox
Dim lHwnd As Long
lHwnd = CreateWindowEx(WS_EX_CLIENTEDGE, "Edit", "", WS_CHILD, Left, Top, Width, Height, ParentHwnd, 0&, App.hInstance, 0&)
If lHwnd = 0 Then Exit Function
TxtHwnd = lHwnd
' SetWindowLong TxtHwnd, _
' GWL_EXSTYLE, _
' GetWindowLong(TxtHwnd, GWL_EXSTYLE) Or WS_EX_LAYERED ' Or WS_DISABLED
Call ShowWindow(lHwnd, SW_SHOWNORMAL)
lEditBoxCount = lEditBoxCount + 1
ReDim Preserve tEditBoxes(lEditBoxCount)
tEditBoxes(lEditBoxCount).hwnd = lHwnd
tEditBoxes(lEditBoxCount).ForeColor = vbBlack
tEditBoxes(lEditBoxCount).Index = lEditBoxCount
CreateEditbox = tEditBoxes(lEditBoxCount)
End Function
Public Function GetEditBox(ByVal hwnd As Long) As Editbox
Dim lIndex As Long
For lIndex = 0 To lEditBoxCount
If tEditBoxes(lIndex).hwnd = hwnd Then Exit For
Next
If lIndex <= lEditBoxCount Then
GetEditBox = tEditBoxes(lIndex)
End If
End Function
Public Function SetEditboxForeColor(ByVal Index As Long, ByVal Color As ColorConstants) As ColorConstants
If Index > lEditBoxCount Then Exit Function
tEditBoxes(Index).ForeColor = Color
SetEditboxForeColor = tEditBoxes(Index).ForeColor
End FunctionCode:
Private Sub Form_Load()
Me.Picture = LoadPicture("D:\Data2\03编程临时测试资料\01图片\0006背景图.jpg")
Dim tNewEditBox As Editbox
SubClassForm hwnd
tNewEditBox = CreateEditbox(hwnd, 10, 10, 150, 28)
Call SetEditboxForeColor(tNewEditBox.Index, vbRed)
End Sub
Private Sub Form_Unload(Cancel As Integer)
RemoveFormSubclassing hwnd
End Sub