紧急求助！各位大侠帮个忙吧！！（自定义坐标的问题）
谢谢各位在百忙之中，能来帮我一下，不胜感激。
是这样的，下面的代码只需两个元件：一个按钮（command1）；一个图片框（picture1）
在内存中创建的绘图区域其坐标默认的是：左上角（0，0） 右下角（L,H）。请问这个坐标如何才能自己定义呢？
再次感谢！！分不多了，70分发了两次，每个帖子35。。。。各位高手不要嫌少啊。。
Option ExplicitDim lngX As Double 'X的值Dim L As Long '绘图区域的宽Dim H As Long '绘图区域的高Dim lngMemoryDC As Long '内存中绘图的设备场景的句柄Dim lngBMPHandle As Long '位图的句柄Dim lngBrushHandle As Long '填充刷子的句柄Dim hRgn, jilu As Long '填充区域的句柄Private Const SRCCOPY = &HCC0020Private Type POINTAPI X As Long Y As LongEnd TypePrivate Declare Function CreatePen Lib "gdi32" (ByVal nPenStyle As Long, ByVal nWidth As Long, ByVal crColor As Long) As LongPrivate Declare Function Polyline Lib "gdi32 " (ByVal hdc As Long, lpPoint As POINTAPI, ByVal nCount As Long) As LongPrivate Declare Function CreateCompatibleBitmap Lib "gdi32" (ByVal hdc As Long, ByVal nWidth As Long, ByVal nHeight As Long) As LongPrivate Declare Function CreateCompatibleDC Lib "gdi32" (ByVal hdc As Long) As LongPrivate Declare Function SelectObject Lib "gdi32" (ByVal hdc As Long, ByVal hObject As Long) As LongPrivate 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 LongPrivate Declare Function CreateRectRgn Lib "gdi32" (ByVal X1 As Long, ByVal Y1 As Long, ByVal X2 As Long, ByVal Y2 As Long) As LongPrivate Declare Function FillRgn Lib "gdi32" (ByVal hdc As Long, ByVal hRgn As Long, ByVal hBrush As Long) As LongPrivate Declare Function CreateSolidBrush Lib "gdi32" (ByVal crColor As Long) As LongPrivate Sub Command1_Click() Dim lngP, lngp1 As Long Dim PTS(6) As POINTAPI PTS(0).X = 10: PTS(0).Y = 10 PTS(1).X = 100: PTS(1).Y = 10 PTS(2).X = 100: PTS(2).Y = 200 PTS(3).X = 200: PTS(3).Y = 200 PTS(4).X = 200: PTS(4).Y = 10 PTS(5).X = 300: PTS(5).Y = 10 Dim hPen As Long hPen = CreatePen(0, 3, RGB(255, 0, 0)) SelectObject lngMemoryDC, hPen lngP = Polyline(lngMemoryDC, PTS(0), 6) BitBlt Picture1.hdc, 0, 0, L, H, lngMemoryDC, 0, 0, SRCCOPY End SubPrivate Sub Form_Load() Dim lngP As Long L = Picture1.ScaleWidth / 15 H = Picture1.ScaleHeight / 15 lngMemoryDC = CreateCompatibleDC(Picture1.hdc) '创建一个与窗体相兼容的设备场景 lngBMPHandle = CreateCompatibleBitmap(Picture1.hdc, L, H) '在内存中创建与窗体同样大小的位图 SelectObject lngMemoryDC, lngBMPHandle '将位图选入刚才创建的设备场景中 hRgn = CreateRectRgn(0, 0, L, H) '创建一个与窗体同样大小的矩形区域 lngBrushHandle = CreateSolidBrush(RGB(255, 255, 255)) '用白色创建一个实色画刷 lngP = FillRgn(lngMemoryDC, hRgn, lngBrushHandle) '用创建的画刷对该区域进行填充 End Sub
