MessageBox.Show种类有这么多?
最简单的,只显示提示[ti shi]信息。

2. MessageBox .Show( "There are something wrong!" , "ERROR" );
可以给消息框加上标[shang biao]题。

3. if ( MessageBox .Show( "Delete this user?" , "Confirm Message" , MessageBoxButtons .OKCancel) == DialogResult .OK)
{
//delete
}
询问是否删除[shan chu]时会用到这个。

4. if ( MessageBox .Show( "Delete this user?" , "Confirm Message" , MessageBoxButtons .OKCancel, MessageBoxIcon .Question) == DialogResult .OK)
{
//delete
}
可以给MessageBox加上一个Icon,.net提供常见的Icon共选择[xuan ze]。

5. if ( MessageBox .Show( "Delete this user?" , "Confirm Message" , MessageBoxButtons .OKCancel, MessageBoxIcon .Question, MessageBoxDefaultButton .Button2) == DialogResult .OK)
{
//delete
}
可以改变MessageBox的默认焦点,如下:

6. if ( MessageBox .Show( "Delete this user?" , "Confirm Message" , MessageBoxButtons .OKCancel, MessageBoxIcon .Question, MessageBoxDefaultButton .Button2, MessageBoxOptions .RtlReading) == DialogResult .OK)
{
//delete
}
反向显示:

7. if ( MessageBox .Show( "Delete this user?" , "Confirm Message" , MessageBoxButtons .OKCancel, MessageBoxIcon .Question, MessageBoxDefaultButton .Button2, MessageBoxOptions .RightAlign, true ) == DialogResult .OK)
{
//delete
}
添加Help按钮:

8. if ( MessageBox .Show( "Delete this user?" , "Confirm Message" , MessageBoxButtons .OKCancel, MessageBoxIcon .Question, MessageBoxDefaultButton .Button1, MessageBoxOptions .RtlReading, @"/folder/file.htm" ) == DialogResult .OK)
{
//delete
}
指定帮助文件的路径[lu jing],点击即可打开该路径[lu jing]下的帮助文件。

9. //HelpNavigator 指定常数来指示[zhi shi]要显示的帮助文件元素。 Find 帮助文件将打开到搜索[sou suo]页。
if ( MessageBox .Show( "Delete this user?" , "Confirm Message" , MessageBoxButtons .OKCancel, MessageBoxIcon .Question, MessageBoxDefaultButton .Button1, MessageBoxOptions .RtlReading, @"/folder/file.htm" , HelpNavigator .Find) == DialogResult .OK)
{
//delete
}

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