已知一个窗口句柄,怎么判断这个窗口是不是MDI子窗体?(200分)

T

tnndusa

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• 2003-06-05

• #1

我不知道要用GetWindowLong取得什么信息,是GWL_STYLE还是GWL_EXSTYLE,取出后又要判断什么标志位?同样,怎么判断是否是MDI主窗体?

 

L

LeeChange

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• 2003-06-05

• #2

r:=GetWindowLong(YourHandle, GWL_EXSTYLE);<br>if (r and WS_EX_MDICHILD)&gt;0 then<br>&nbsp; ShowMessage('MDIChild')

 

T

tnndusa

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• 2003-06-05

• #3

谢谢,可以了,MSDN上也找到了~<br>怎么判断是否是MDI主窗体?这个找不到资料

 

Q

quejian

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• 2003-06-05

• #4

r:=GetWindowLong(YourHandle, GWL_EXSTYLE);<br>if (r and WS_EX_CONTROLPARENT)&gt;0 then<br>&nbsp; ShowMessage('主窗体')

 

T

tnndusa

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• 2003-06-05

• #5

问题还是没解决,先放分<br>问题在:<br>http://www.delphibbs.com/delphibbs/dispq.asp?lid=1927891

 

L

lightstar

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• 2003-06-05

• #6

if Application.MainForm.Handle = YourHandle then ShowMessage('主窗体');