C#与vb.net源码代码互转网站

该转换器是印度开发团队推出的，推出时间也挺长，仅支持C#和VB.net代码转换。
代码转换地址： C# -> VB.NET  http://www.dotnetspider.com/convert/Csharp-To-Vb.aspx
                          VB.NET -> C#  http://www.dotnetspider.com/convert/Vb-To-Csharp.aspx
 

1，http://converter.telerik.com

网站很不错  转成c#源码不错

''' <summary>
''' 提取像素法 简单的方法 上面的是好的 不过分析图片时用很好用
''' </summary>
''' <param name="srcBitmap"></param>
''' <returns></returns>
Public Shared Function RGB2Gray1(ByVal srcBitmap As Bitmap) As Bitmap
Dim srcColor As Color
Dim wide As Integer = srcBitmap.Width
Dim height As Integer = srcBitmap.Height

For y As Integer = 0 To height - 1

For x As Integer = 0 To wide - 1
'获取像素的ＲＧＢ颜色值

srcColor = srcBitmap.GetPixel(x, y)
Dim temp As Byte = CByte((srcColor.R * 0.299 + srcColor.G * 0.587 + srcColor.B * 0.114))

' //设置像素的ＲＧＢ颜色值
srcBitmap.SetPixel(x, y, Color.FromArgb(temp, temp, temp))
Next
Next

Return srcBitmap
End Function

转换后

/// <summary>

/// ''' 提取像素法 简单的方法 上面的是好的 不过分析图片时用很好用

/// ''' </summary>

/// ''' <param name="srcBitmap"></param>

/// ''' <returns></returns>
public static Bitmap RGB2Gray1(Bitmap srcBitmap)
{
Color srcColor;
int wide = srcBitmap.Width;
int height = srcBitmap.Height;

for (int y = 0; y <= height - 1; y++)
{
for (int x = 0; x <= wide - 1; x++)
{
// 获取像素的ＲＧＢ颜色值

srcColor = srcBitmap.GetPixel(x, y);
byte temp = System.Convert.ToByte((srcColor.R * 0.299 + srcColor.G * 0.587 + srcColor.B * 0.114));

// //设置像素的ＲＧＢ颜色值
srcBitmap.SetPixel(x, y, Color.FromArgb(temp, temp, temp));
}
}

return srcBitmap;
}

2，http://www.carlosag.net/Tools/CodeTranslator/

这个是强制转换 代码

''' <summary>
''' 提取像素法 简单的方法 上面的是好的 不过分析图片时用很好用
''' </summary>
''' <param name="srcBitmap"></param>
''' <returns></returns>
Public Shared Function RGB2Gray1(ByVal srcBitmap As Bitmap) As Bitmap
Dim srcColor As Color
Dim wide As Integer = srcBitmap.Width
Dim height As Integer = srcBitmap.Height

For y As Integer = 0 To height - 1

For x As Integer = 0 To wide - 1
'获取像素的ＲＧＢ颜色值

srcColor = srcBitmap.GetPixel(x, y)
Dim temp As Byte = CByte((srcColor.R * 0.299 + srcColor.G * 0.587 + srcColor.B * 0.114))

' //设置像素的ＲＧＢ颜色值
srcBitmap.SetPixel(x, y, Color.FromArgb(temp, temp, temp))
Next
Next

Return srcBitmap
End Function

转换后不支持 中文 

Unknown(
    
    static Bitmap RGB2Gray1(Bitmap srcBitmap) {
        Color srcColor;
        int wide = srcBitmap.Width;
        int height = srcBitmap.Height;
        for (int y = 0; (y 
                    <= (height - 1)); y++) {
            for (int x = 0; (x 
                        <= (wide - 1)); x++) {
                // ��� �2'"�r<
                srcColor = srcBitmap.GetPixel(x, y);
                byte temp = byte.Parse(((srcColor.R * 0.299) 
                                + ((srcColor.G * 0.587) 
                                + (srcColor.B * 0.114))));
                srcBitmap.SetPixel(x, y, Color.FromArgb(temp, temp, temp));
            }
            
        }
        
        return srcBitmap;
    }