'================================================================
'= 文字列をグレー表示

'================================================================
#include "Windows.bi"

#define LF_FACESIZE 32

Type LOGFONT
    lfHeight         As Long
    lfWidth          As Long
    lfEscapement     As Long
    lfOrientation    As Long
    lfWeight         As Long
    lfItalic         As byte
    lfUnderline      As byte
    lfStrikeOut      As byte
    lfCharSet        As byte
    lfOutPrecision   As byte
    lfClipPrecision  As byte
    lfQuality        As byte
    lfPitchAndFamily As byte
    lfFaceName(LF_FACESIZE) As byte
End Type

' システムの背景色を取得
Declare Function Api_GetSysColor& Lib "user32" Alias "GetSysColor" (ByVal nIndex&)

' デバイスコンテキストの背景色を設定
Declare Function Api_SetBkColor& Lib "gdi32" Alias "SetBkColor" (ByVal hDC&, ByVal crColor&)

' 指定された座標のピクセルのRGB値を取得
Declare Function Api_GetPixel& Lib "gdi32" Alias "GetPixel" (ByVal hDC&, ByVal X&, ByVal Y&)

' 論理フォントを作成
Declare Function Api_CreateFontIndirect& Lib "gdi32" Alias "CreateFontIndirectA" (lpLogFont As LOGFONT)

' 指定されたデバイスコンテキストのオブジェクトを選択
Declare Function Api_SelectObject& Lib "gdi32" Alias "SelectObject" (ByVal hDC&, ByVal hObject&)

' イメージを加工して表示
Declare Function Api_DrawState& Lib "user32" Alias "DrawStateA" (ByVal hDC&, ByVal hBrush&, ByVal lpDrawStateProc&, ByVal lData$, ByVal wData&, ByVal X&, ByVal Y&, ByVal cx&, ByVal cy&, ByVal fFlags&)

' 指定されたウィンドウのクライアント領域または画面全体を表すディスプレイデバイスコンテキストのハンドルを取得
Declare Function Api_GetDC& Lib "user32" Alias "GetDC" (ByVal hWnd&)

' デバイスコンテキストを解放
Declare Function Api_ReleaseDC& Lib "user32" Alias "ReleaseDC" (ByVal hWnd&, ByVal hDC&)

#define TXT_DISABLED &H20
#define TXT_PREFIXTEXT &H2
#define TXT_TEXT &H1
#define COLOR_BTNFACE 15      'コマンドボタンの表面色

Var Shared XPos As Long
Var Shared YPos As Long
Var Shared hDC As Long
Var Shared rgbColor As Long

'================================================================
'=
'================================================================
Declare Sub sDrawTextEnabledDisabled(Index As Integer)
Sub sDrawTextEnabledDisabled(Index As Integer)
    Var LF As LOGFONT
    Var rFont As Long
    Var Size As Integer
    Var lDrawStateFlag As Long
    Var Txt As String
    Var BkCol As Long

    Txt = "北海道札幌市"
    Size = 40
    XPos = 5
    YPos = 20
    LF.lfHeight = Size
    LF.lfWeight = 700
    rFont = Api_CreateFontIndirect(LF)

    hDC = Api_GetDC(GethWnd)
    If Index = 1 Then lDrawStateFlag = TXT_DISABLED

    cls

    BkCol = Api_GetPixel(hDC, 0, 0)                             'フォームの背景色取得
    Ret = Api_SetBkColor(hDC, BkCol)                            '文字の背景色を設定

    Ret = Api_SelectObject(hDC, rFont)                          'フォームの指定位置に指定角度・大きさで文字列を描画
    Ret = Api_DrawState(hDC, 0, 0, Txt, Len(Txt), XPos, YPos, 0, 0, TXT_TEXT Or lDrawStateFlag)
End Sub

'================================================================
'=
'================================================================
Declare Sub MainForm_Start edecl ()
Sub MainForm_Start()
    rgbColor = Api_GetSysColor(COLOR_BTNFACE)                   'Buttonの表面色を取得(EDE9EC)
    SetBackColor rgbColor                                       'Mainformを取得色で塗り
    ShowWindow -1                                               'Mainformを表示

    Index = 0
    sDrawTextEnabledDisabled 0
End Sub

'================================================================
'=
'================================================================
Declare Sub Button1_on edecl ()
Sub Button1_on()
    Index = 0
    sDrawTextEnabledDisabled 0
End Sub

'================================================================
'=
'================================================================
Declare Sub Button2_on edecl ()
Sub Button2_on()
    Index = 1
    sDrawTextEnabledDisabled 1
End Sub

'================================================================
'=
'================================================================
Declare Sub MainForm_QueryClose edecl (Cancel As Integer, Mode As Integer)
Sub MainForm_QueryClose(Cancel As Integer, Mode As Integer)
    If Cancel = 0 Then
        Ret = Api_ReleaseDC(GethWnd, hDC)
    End If
End Sub

'================================================================
'=
'================================================================
While 1
    WaitEvent
Wend
Stop
End