[魔術王子]

本程式是修改 王國榮先生 所著的Visual Basic 6.0 Windows API講座
(由於原程式有設計熱鍵功能,但須另寫一個按鍵偵測程式,所以這部份小王子取消<無法傳檔案給大家>)
ScrCap3.bas內容

Attribute VB_Name = "Module1"

Option Explicit


Public Const GWL_WNDPROC = (-4)
Public Const WM_USER = &H400
Public Const WM_LBUTTONDBLCLK = &H203
Public Const WM_LBUTTONUP = &H202
Public Const WM_RBUTTONUP = &H205

Public Const NIM_ADD = 0
Public Const NIM_MODIFY = 1
Public Const NIM_DELETE = 2

Public Const NIF_MESSAGE = 1
Public Const NIF_ICON = 2
Public Const NIF_TIP = 4

Type RECT
        Left As Long
        Top As Long
        Right As Long
        Bottom As Long
End Type

Type NOTIFYICONDATA
       cbSize As Long
       hWnd As Long
       uID As Long
       uFlags As Long
       uCallbackMessage As Long
       hIcon As Long
       szTip As String * 64
End Type

Declare Function Shell_NotifyIcon Lib "shell32.dll" Alias "Shell_NotifyIconA" (ByVal dwMessage As Long, lpData As NOTIFYICONDATA) As Long

Declare Function BitBlt Lib "gdi32" (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 dwRop As Long) As Long
Declare Function GetDC Lib "user32" (ByVal hWnd As Long) As Long
Declare Function GetWindowDC Lib "user32" (ByVal hWnd As Long) As Long
Declare Function GetWindowRect Lib "user32" (ByVal hWnd As Long, lpRect As RECT) As Long
Declare Function ReleaseDC Lib "user32" (ByVal hWnd As Long, ByVal hDC As Long) As Long
Declare Function BringWindowToTop Lib "user32" (ByVal hWnd As Long) As Long
Declare Function GetForegroundWindow Lib "user32" () As Long

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
Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long) As Long
Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long

Public prevWndProc As Long

Function WndProc(ByVal hWnd As Long, ByVal Msg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
    If Msg = WM_USER + 100 Then
        If lParam = WM_LBUTTONUP Then
            Form1.Capture
            Form1.picCopy.Refresh
            Form1.WindowState = vbNormal
            Form1.Show
        ElseIf lParam = WM_RBUTTONUP Then
            Form1.PopupMenu Form1.mTarget
        End If
    End If
    WndProc = CallWindowProc(prevWndProc, hWnd, Msg, wParam, lParam)
End Function

PS:粗體部分需自行KeyIn