天啊，没有人帮我吗？就我一个人在push.最好谁能给我个例子，我想知道第二个问题。http://www.csdn.net/expert/topic/376/376602.shtm

[ttzzgg_80713]

救救我。第二个问题
http://www.csdn.net/expert/topic/376/376602.shtm

[格利高里]

在论坛里查找一下，肯定有这方面的例子的。

[dongfa]

我写过一个程序，可以垂直或者水平的渐变:
void CPeeperMenu::DrawGradRect(CDC *pDC, CRect rect, COLORREF cr1,
COLORREF cr2, BOOL bHor)
{
int r1 = GetRValue(cr1);
int g1 = GetGValue(cr1);
int b1 = GetBValue(cr1);

int r2 = GetRValue(cr2);
int g2 = GetGValue(cr2);
int b2 = GetBValue(cr2);

if(bHor)
{
float dr = ((float)(r2 - r1))/(float)(rect.Width());
float dg = ((float)(g2 - g1))/(float)(rect.Width());
float db = ((float)(b2 - b1))/(float)(rect.Width());

for(int i = rect.left; i < rect.right; i ++)
{
int r = r1 + (int)(dr*((float)(i - rect.left)));
int g = g1 + (int)(dg*((float)(i - rect.left)));
int b = b1 + (int)(db*((float)(i - rect.left)));
CPen pen(PS_SOLID, 1, RGB(r, g, b));
CPen *old = pDC->SelectObject(&pen);
pDC->MoveTo(i, rect.top);
pDC->LineTo(i, rect.bottom);
pDC->SelectObject(old);
}
}
else
{
float dr = ((float)(r2 - r1))/(float)(rect.Height());
float dg = ((float)(g2 - g1))/(float)(rect.Height());
float db = ((float)(b2 - b1))/(float)(rect.Height());

for(int i = rect.top; i < rect.bottom; i ++)
{
int r = r1 + (int)(dr*((float)(i - rect.top)));
int g = g1 + (int)(dg*((float)(i - rect.top)));
int b = b1 + (int)(db*((float)(i - rect.top)));
CPen pen(PS_SOLID, 1, RGB(r, g, b));
CPen *old = pDC->SelectObject(&pen);
pDC->MoveTo(rect.left, i);
pDC->LineTo(rect.right, i);
pDC->SelectObject(old);
}
}
}

使用:
DrawGradRect(pDC, CRect(0, 0, 100, 20),
RGB(0, 0, 0), RGB(0, 0, 255), FALSE);

[格利高里]

看看这个，希望对你有帮助
http://myhomeland.home.sohu.com/vc/bcmenu.htm

[ttzzgg_80713]

渐变我会做呀。我想实现透明效果
啊啊啊啊啊啊，我要上吊了。

[ttzzgg_80713]

我切。求人不如求已。我自己搞定了。