Editing lockWindow - FilterMeisterWiki

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= lockWindow =
== Syntax ==
:{{int lockWindow (int c)}}
== Arguments ==
:'''c'''
::Set it to 1 to suppress updates of the filter dialog. Set it to 0 to unlock the window again.
== Return ==
:If the function succeeds, the return value is nonzero. If the function fails, the return value is zero.
== Description ==
:This function disables or enables drawing in the filter dialog. It is only recommended to use it if you want to do a lot of changes to the filter dialog, e.g. moving, removing or adding dozens of control. Under some conditions, e.g. STRETCHED dialog attribute, this can take a few seconds. By using lockWindow(1) infront of the code and lockWindow(0) afterwards, the changes will take only a few miliseconds.
== Example ==
<code>
%ffp

ctl(1): pushbutton,Text="Lock Window",size=(60,15)
ctl(3): pushbutton,Text="UnLock Window",size=(60,15)
ctl(6):statictext,"Press 'Lock Window', try to use the zoom controls and then press 'UnLock Window'.",size=(100,50)

OnCtl(n): 
{
	int r;
	
	if (n==3 && e == FME_CLICKED)  {
		
		lockWindow(0);

}
	else if (n==1 && e == FME_CLICKED)  {
		
		lockWindow(1);

}
	
	
	return false;
}
</code>
== Also see ==
:((refreshWindow)), ((refreshCtl)), ((refreshRgn))
== Comments ==
:Everyone can add his comments about his experiences with this function here. Tips for using it are welcome, too.

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