Planet Source Code Jumbo …e CD Visual Basic 1 to 7/3_2004-2005.ISO/Data/Zips/VB_API_cod1852392132005.psc/DefaultProgSubsFunctionsMenu.cpd

Text File | 2004-04-27 | 12.3 KB | 378 lines

menucaption: Simple Text to Screen

Const DT_WORDBREAK = &H10

Enum TextAlign
    DT_LEFT = &H0
    DT_RIGHT = &H2
    DT_CENTER = &H1
End Enum

Private Type RECT
    Left As Long
    Top As Long
    Right As Long
    Bottom As Long
End Type
Private dec_deskMsgRect As RECT
Private TXT_COLOR As Long

Private Declare Function SetTextColor Lib "gdi32" (ByVal hdc As Long, ByVal crColor As Long) As Long
Private Declare Function DrawText Lib "user32" Alias "DrawTextA" (ByVal hdc As Long, ByVal lpStr As String, ByVal nCount As Long, lpRect As RECT, ByVal wFormat As Long) As Long
Private Declare Function GetWindowDC Lib "user32" (ByVal hwnd As Long) As Long
Private Declare Function InvalidateRect Lib "user32.dll" (ByVal hwnd As Long, lpRect As RECT, ByVal bErase As Long) As Long
Private Declare Function SetRect Lib "user32" (lpRect As RECT, ByVal X1 As Long, ByVal Y1 As Long, ByVal X2 As Long, ByVal Y2 As Long) As Long

'----------------------------------------------------------------------
'   INPUTS: |
'  RETURNS: |
' COMMENTS: |draw simple text message to the screen/desktop
'----------------------------------------------------------------------
Sub DrawTextToScreen(sDeskMsg$, iTextLeft%, iTextRight%, iTextTop%, iTextBottom%, _
                                  Optional TXT_ALIGN As TextAlign = DT_CENTER, _
                                  Optional TxtColor& = vbBlack)

'VARIABLES:
      Dim DeskDc&
'CODE:
      'erase text before drawing new
      Call EraseTextDrawnToScreen
      DoEvents
      'desktop pallette
      DeskDc = GetWindowDC(0)
      'set the textcolor
      SetTextColor DeskDc, TxtColor
      'rectangle where we draw the text
      SetRect dec_deskMsgRect, (iTextLeft% / Screen.TwipsPerPixelX), _
                              (iTextTop% / Screen.TwipsPerPixelY), _
                              (iTextRight% / Screen.TwipsPerPixelX), _
                              (iTextBottom% / Screen.TwipsPerPixelY)
       'print info text to screen
      DrawText DeskDc, sDeskMsg, Len(sDeskMsg), _
                              dec_deskMsgRect, _
                              DT_WORDBREAK Or TXT_ALIGN
'END CODE:

End Sub
'----------------------------------------------------------------------
'   INPUTS: |
'  RETURNS: |
' COMMENTS: |erase that message by invalidating whats inside rect
'----------------------------------------------------------------------
Sub EraseTextDrawnToScreen()
'
       InvalidateRect 0, dec_deskMsgRect, True
End Sub




menucaption: Menu Handling Shell


Declare Function GetMenu Lib "user32" (ByVal hwnd As Long) As Long
Declare Function GetSubMenu Lib "user32" (ByVal hMenu As Long, ByVal nPos As Long) As Long


'----------------------------------------------------------------------
'   INPUTS: |
'  RETURNS: |
' COMMENTS: |
'----------------------------------------------------------------------
Sub Menu(YourFormsHwnd&, mnuIndex&)
'
'VARIABLES:
  Dim mnuTopHwnd&, mnuSubHwnd&

'CODE:
        'forms handle
        mnuTopHwnd = GetMenu(YourFormsHwnd&)

        'submenu
        mnuSubHwnd = GetSubMenu(mnuTopHwnd, mnuIndex&)
'END CODE:

End Sub


menucaption: Check/Uncheck Menu Items

Sub ToggleMenuOn(MenuNameCheck As Menu, ParamArray MenuNamesUncheck())
'VARIABLES:
   Dim i%
 'CODE:
       ' untoggle items in menuNameUnchecked
       For i = 0 To UBound(MenuNamesUncheck)
             MenuNamesUncheck(i).Checked = False
       Next i

       ' toggle menu item on
       MenuNameCheck.Checked = True
'END CODE:
End Sub



menucaption: Enable/Disable Show/Hide Control Group



Public Enum enCtlAction
        Enable_Disable = 0
        Show_Hide = 1
End Enum



'----------------------------------------------------------------------
'   INPUTS: | NONE
'  RETURNS: | NONE
' COMMENTS: | to enable/disable or show/hide a group of
'             controls at once with a single line code
'----------------------------------------------------------------------
Public Sub Show_EnableControls(What As enCtlAction, bTrue As Boolean, ParamArray CtlNames())

'VARIABLES:
   Dim i%
'CODE:
       For i = LBound(CtlNames) To UBound(CtlNames)
          If What = Enable_Disable Then
               CtlNames(i).Enabled = bTrue
          Else
               CtlNames(i).Visible = bTrue
          End If
       Next i
'END CODE:
End Sub



menucaption: File Load Data

'----------------------------------------------------------------------
'   INPUTS: |sPath:path to the file that holds variabled for our program
'  RETURNS: |
' COMMENTS: |
'----------------------------------------------------------------------
Function func_FileLoadData(sPath As String) As Variant()
'VARIABLES:
   Dim s$
   Dim fFile%, i%
   Dim arr()   As Variant
'CODE:

      fFile = FreeFile
  '!!!#### IMPORTANT !!! : The first time the person runs the prog,
 '                         the file to load has not yet been created.
 '      YOU MUST:
 '                   1)hand create the file, which gives
 '                      you the flexibility of presetting prog
 '                      defaults to whatever you wish
 '         OR:
 '                   2)user error handling in this sub, using
 '                     API call "CreateFile"
 '                     (in the "API miscellaneous" menu)
 '                     followed by  "exit sub"
      Open sPath For Input As #fFile
             Do Until EOF(fFile)
                Input #fFile, s
                ReDim Preserve arr(i)
                arr(i) = s
                i = (i + 1)
            Loop
      Close fFile

      func_FileLoadData = arr
'END CODE:

      'SAMPLE USEAGE___________________________
      'say your program has two variable values
      'you want filled from file(bTimerEnabled, intTimerCount)
               ':
      'Private Sub Form_Load_____________________
       ' Dim arr()   As Variant
       ' Dim i       as integer
       '
       '  arr = func_FileLoadData("strWhateverPathYouWant")
       '
       '  For i = LBound(arr) To UBound(arr)
       '      Select Case i
       '          Case Is = 0
       '                bTimerEnabled = Cbool(arr(i))
       '          Case =1
       '                intTimerCount = Cint(arr(i))
       '      End Select
       '  Next i
       'End Sub____________________________________
End Function


menucaption: File Save Data


'----------------------------------------------------------------------
'   INPUTS: |sPath: path saving program data to
'            varVals: the array of program variables your saving to file
'  RETURNS: |
' COMMENTS: |
'----------------------------------------------------------------------
Sub sub_FileSaveData(sPath As String, ParamArray varVals())
'VARIABLES:
  Dim fFile%, i%
'CODE:
      fFile = FreeFile

      Open sPath For Output As #fFile
           'each variable value to be saved
           '(varVals) saved on its own line
           For i = 0 To UBound(varVals)
               Write #fFile, varVals(i)
           Next i
      Close fFile
'END CODE:
      'SAMPLE USAGE__________________________
           'say you have two variables from
           'your program you want to filesave
              'bTimerEnabled
              'intTimerCount
              ':
      'Private Sub Form_Unload ____________________
      '
      '   call sub_FileSaveData("strWhateverPathYouWant", _
      '                        bTimerEnabled, intTimerCount)
      'End Sub_____________________________________
End Sub



menucaption: Flatten Control

Const GWL_EXSTYLE = -20
Const WS_EX_STATICEDGE = &H20000
Const WS_EX_CLIENTEDGE = &H200&

Declare Function SetWindowPos Lib "user32.dll" (ByVal hwnd As Long, ByVal hWndInsertAfter As Long, ByVal X As Long, ByVal Y As Long, ByVal cx As Long, ByVal cy As Long, ByVal wFlags As Long) As Long
Declare Function GetWindowLong Lib "user32.dll" Alias "GetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long) As Long
Declare Function SetWindowLong Lib "user32.dll" Alias "SetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long


'----------------------------------------------------------------------
'   INPUTS: | handle to the window to flatten
'  RETURNS: | NONE
' COMMENTS: | flatten control or form
'----------------------------------------------------------------------
Sub Flatten(lhWnd&)
'VARIABLES:
  Dim lngStyle&
'CODE:
         lngStyle = GetWindowLong(hwnd, GWL_EXSTYLE)
         lngStyle = (lngStyle And Not WS_EX_CLIENTEDGE Or WS_EX_STATICEDGE)
         SetWindowLong hwnd, GWL_EXSTYLE, lngStyle
         SetWindowPos hwnd, 0, 0, 0, 0, 0, _
                   &H1 Or &H2 Or &H4 Or &H20
'END CODE:
End Sub


menucaption: Keypress/Mousestate Detect


Declare Function GetKeyState Lib "user32" (ByVal nVirtKey As Long) As Integer


'----------------------------------------------------------------------
'   INPUTS: |
'  RETURNS: | boolean..true if the key specified is toggled on)
' COMMENTS: | determine if a keys state is down(includes mouse downs)
'----------------------------------------------------------------------
Private Function funcKeyTrue(VirtualKey As Integer) As Boolean
  On Error GoTo ERR:
'CODE:
         If GetKeyState(VirtualKey) = -127 Or _
            GetKeyState(VirtualKey) = -128 Then

                  funcKeyTrue = True
         End If
'END CODE:
Exit Function
ERR:
   If ERR.Number <> 0 Then
       MsgBox ERR.Number & vbCrLf & ERR.Description
   End If
End Function


menucaption: Move Controls/Form


Const WM_SYSCOMMAND As Long = &H112

Declare Function ReleaseCapture Lib "user32.dll" () As Long
Declare Function SendMessage Lib "user32.dll" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long



'----------------------------------------------------------------------
'   INPUTS: | NONE
'  RETURNS: | STRING
' COMMENTS: | holds the code related to moving controls
'----------------------------------------------------------------------
Sub mod_Move(lhWnd&)
'CODE:
        ReleaseCapture
        SendMessage lhWnd, WM_SYSCOMMAND, &HF012&, 0&
'END CODE:
End Sub


menucaption: Set Thread Priority

Const HIGH_PRIORITY_CLASS = &H80
Const NORMAL_PRIORITY_CLASS = &H20
Const IDLE_PRIORITY_CLASS = &H40

Enum enumPriorityLevel
       priority_High = 2
       priority_normal = 0
       priority_low = -2
End Enum

Declare Function GetCurrentProcess Lib "kernel32" () As Long
Declare Function GetCurrentThread Lib "kernel32" () As Long
Declare Function GetThreadPriority Lib "kernel32" (ByVal hThread As Long) As Long
Declare Function SetThreadPriority Lib "kernel32" (ByVal hThrad As Long, ByVal nPriority As Long) As Long
Declare Function SetPriorityClass Lib "kernel32" (ByVal hProcess As Long, ByVal dwPriorityClass As Long) As Long

'----------------------------------------------------------------------
'   INPUTS: | NONE
'  RETURNS: | STRING
' COMMENTS: | set the priority of current thread..good for do loop control
'----------------------------------------------------------------------
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