如何获取进度条指针？

[ayin669]

我要让2个进度条显示不同文字，网上下了个源代码，是让一个进度条显示文字。我用指针，结果没任何显示。请高手帮帮忙。红色部分是我增加的代码。
void CTextProgressCtrl::OnPaint()
{
if (m_nMin >= m_nMax)
return;
CRect *Rect1=(CRect*)GetDlgItem(IDC_PROGRESS1);
CRect *Rect2=(CRect*)GetDlgItem(IDC_PROGRESS1);
CRect LeftRect, RightRect,ClientRect;
//源代码是GetClientRect(ClientRect);
GetClientRect(Rect1);
GetClientRect(Rect2);

double Fraction = (double)(m_nPos - m_nMin) / ((double)(m_nMax - m_nMin));

CPaintDC PaintDC(this); // device context for painting
CMemDC dc(&PaintDC);

//源代码是LeftRect = RightRect =ClientRect;

LeftRect = RightRect =Rect1=Rect2;
//获取进度的大小
LeftRect.right = LeftRect.left + (int)((LeftRect.right - LeftRect.left)*Fraction);
dc.FillSolidRect(LeftRect, m_colFore);

RightRect.left = LeftRect.right;
dc.FillSolidRect(RightRect, m_colBk);
UpdateData(FALSE);
if (m_bShowText)
{
CString str,str2;

if (m_strText.GetLength())
str = m_strText;
else
str.Format(_T("高度%d米"),_ttoi(ni1));
str2.Format(_T("重量%d吨"),_ttoi(ni2));

dc.SetBkMode(TRANSPARENT);

CRgn rgn1,rgn2;
// 源代码是rgn.CreateRectRgn(ClientRect.left, ClientRect.top,ClientRect.right, ClientRect.bottom);
rgn1.CreateRectRgn(Rect1->left,Rect1->top, Rect1->right, Rect1->bottom);
dc.SelectClipRgn(&rgn1);
//设置颜色
dc.SetTextColor(m_colTextBk);
//显示文字
dc.DrawText(str,Rect1, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
rgn1.DeleteObject();
// 另一个进度条显示文字

rgn2.CreateRectRgn(Rect2->left,Rect2->top, Rect2->right, Rect2->bottom);
dc.SelectClipRgn(&rgn2);
//设置颜色
dc.SetTextColor(m_colTextBk);
//显示文字
dc.DrawText(str,Rect2, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
rgn2.DeleteObject();
}
}

[ayin669]

这个 有误，改成2，也没显示。
CRect *Rect2=(CRect*)GetDlgItem(IDC_PROGRESS2);

[快乐鹦鹉]

CRect *Rect1=(CRect*)GetDlgItem(IDC_PROGRESS1);
==这算什么写法?GetDlgItem返回的是CWnd*类型啊,你居然转换成CRect*??????

[快乐鹦鹉]

CWnd *pWnd1=(CWnd*)GetDlgItem(IDC_PROGRESS1);
CWnd *pWnd2=(CWnd*)GetDlgItem(IDC_PROGRESS1);
CRect LeftRect, RightRect,ClientRect;
//源代码是GetClientRect(ClientRect);
CRect rc1,rc2;
GetClientRect(&rc1);
GetClientRect(&rc2);
CRect *Rect1 = &rc1;
CRect *Rect2 = &rc2;

[ayin669]

[Quote=引用 2 楼 happyparrot 的回复:]
CRect *Rect1=(CRect*)GetDlgItem(IDC_PROGRESS1);
==这算什么写法?GetDlgItem返回的是CWnd*类型啊,你居然转换成CRect*??????
[/Quote]
呵呵，我是菜鸟啊，那应该怎么用指针呢？

[ayin669]

[Quote=引用 3 楼 happyparrot 的回复:]
CWnd *pWnd1=(CWnd*)GetDlgItem(IDC_PROGRESS1);
CWnd *pWnd2=(CWnd*)GetDlgItem(IDC_PROGRESS1);
CRect LeftRect, RightRect,ClientRect;
//源代码是GetClientRect(ClientRect);
CRect rc1,rc2;
GetClientRect……
[/Quote]
*pWnd2 *pWnd1这两个指针怎么和显示关联起来呢？

[ayin669]

我这样改的，还是没任何显示。
void CTextProgressCtrl::OnPaint()
{
if (m_nMin >= m_nMax)
return;
CWnd *pWnd1=(CWnd*)GetDlgItem(IDC_PROGRESS1);
CWnd *pWnd2=(CWnd*)GetDlgItem(IDC_PROGRESS2);
CRect LeftRect, RightRect,ClientRect;
CRect rc1,rc2;

pWnd1->GetClientRect(&rc1);
pWnd2->GetClientRect(&rc2);
CRect *Rect1 = &rc1;
CRect *Rect2 = &rc2;

double Fraction = (double)(m_nPos - m_nMin) / ((double)(m_nMax - m_nMin));

CPaintDC PaintDC(this); // device context for painting
CMemDC dc(&PaintDC);

LeftRect = RightRect =ClientRect;
//获取进度的大小
LeftRect.right = LeftRect.left + (int)((LeftRect.right - LeftRect.left)*Fraction);
dc.FillSolidRect(LeftRect, m_colFore);

RightRect.left = LeftRect.right;
dc.FillSolidRect(RightRect, m_colBk);
UpdateData(FALSE);
if (m_bShowText)
{
CString str,str2;
if (m_strText.GetLength())
str = m_strText;
else
str.Format(_T("高度%d米"),_ttoi(ni1));
str2.Format(_T("重量%d吨"),_ttoi(ni2));

dc.SetBkMode(TRANSPARENT);

CRgn rgn1,rgn2;
// rgn1.CreateRectRgn(ClientRect.left, ClientRect.top,ClientRect.right, ClientRect.bottom);
rgn1.CreateRectRgn(Rect1->left,Rect1->top, Rect1->right, Rect1->bottom);
dc.SelectClipRgn(&rgn1);
//设置颜色
dc.SetTextColor(m_colTextBk);
//显示文字
dc.DrawText(str,Rect1, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
rgn1.DeleteObject();

rgn2.CreateRectRgn(Rect2->left,Rect2->top, Rect2->right, Rect2->bottom);
dc.SelectClipRgn(&rgn2);
//设置颜色
dc.SetTextColor(m_colTextBk);
//显示文字
dc.DrawText(str2,Rect2, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
rgn2.DeleteObject();
}
}