Perform(Msg:cindial,wparam,Lparam:longInt)中的消息通过Wparam、Lparam传递给进程,请问是如何传递的？(30分

M

maikee1978

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• 2003-07-21

• #1

Perform(Msg:cindial,wparam,Lparam:longInt)中的消息通过Wparam、Lparam传递给进程,请问是如何传递的？(30分)<br />如perform(WM_NextDlgCtl,0,0)、如perform(WM_NextDlgCtl,1,0)、<br>perform(WM_NextDlgCtl,1,1)、perform(WM_NextDlgCtl,0,1)<br>在处理上是如何处理的，有什么区别？<br>

 

B

bluebridge

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• 2003-07-22

• #2

perform函数将3个参数打包成一个TMessage结构,直接调用WindowProc.

 

M

maikee1978

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• 2003-07-28

• #3

接受答案了.