如何在delphi打开 PDF文件禁止鼠标右键或打印功能

//以下为禁止鼠标右键的代码，不想禁止的可以删除

<!--

if (window.Event)

document.captureEvents(Event.MOUSEUP)

function nocontextmenu()

{

event.cancelBubble = true

event.returnValue = false

return false

}

function norightclick(e)

{

if (window.Event)

{

if (e.which == 2 || e.which == 3)

return false

}

else

{if (event.button == 2 || event.button == 3) {alert("【E路极速】欢迎你")} }

{

event.cancelBubble = true

event.returnValue = false

return false

}

}

document.oncontextmenu = nocontextmenu// for IE5+

document.onmousedown = norightclick// for all others

//-->

</scrīpt>

//以下为禁止鼠标右键的代码，不想禁止的可以删除

<!--

if (window.Event)

document.captureEvents(Event.MOUSEUP)

function nocontextmenu()

{

event.cancelBubble = true

event.returnValue = false

return false

}

function norightclick(e)

{

if (window.Event)

{

if (e.which == 2 || e.which == 3)

return false

}

else

{if (event.button == 2 || event.button == 3) {alert("【E路极速】欢迎你")} }

{

event.cancelBubble = true

event.returnValue = false

return false

}

}

document.oncontextmenu = nocontextmenu// for IE5+

document.onmousedown = norightclick// for all others

//-->

</scrīpt>

要是因为这个原因的话那就是你调用函数的时候参数有问题。虽然编译器不提示但是肯定有问题。我在动态调用函数的时候就出现过这种莫名的错误。郁闷了半天。最后才发现是参数类型不匹配。你仔细看看你那个处理鼠标事件的函数。

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