同时开启2个相同子窗口，关闭第二个子窗口时报错！请问如何解决？(50分)

D

DYI

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• 2008-02-16

• #1

同时开启2个相同子窗口，关闭第二个子窗口时报错！请问如何解决？<br>都使用的close关闭的！

 

K

ks_reny

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• 2008-02-16

• #2

報什麼錯誤呀.

 

L

LSUPER

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• 2008-02-16

• #3

代码 ？

 

风

风浪船

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• 2008-02-16

• #4

如果错误信息写出来,可以更容易进行分析,不然比较难还原

 

D

DYI

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• 2008-02-17

• #5

Access violation at address 00000000. Read of address 00000000.

 

D

DYI

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• 2008-02-17

• #6

---------------------------<br>Debugger Exception Notification<br>---------------------------<br>Project Project1.exe raised exception class EAccessViolation with message 'Access violation at address 00000000. Read of address 00000000'. Process stopped. Use Step or Run to continue.<br>---------------------------<br>OK &nbsp; Help &nbsp; <br>---------------------------

 

S

SupermanTm

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• 2008-02-17

• #7

你两个子窗口都引用了同一个窗口对象变量吧

 

B

bsense

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• 2008-02-18

• #8

一般是引用了相同的全局变量，或者两个子窗口由同一个窗口变量生成，

 

M

menzhe

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• 2008-02-18

• #9

楼上的有理！明显访问了空指针，发生了内存访问错误！

 

D

DYI

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• 2008-02-18

• #10

with MainForm do<br>for i := MDIChildCount-1 downto 0 do<br>MDIChildren.Close; &nbsp;<br><br>我用这里来实现就OK了

 

D

DYI

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• 2008-10-15

• #11

解决了

 

H

hbklove8

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• 2008-10-15

• #12

DYI,请问怎么解决的啊?<br>给个提示啊.