Single Modeless Dialog
General and Desktop
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I know how to add a modal and modeless dialog to pop up. What I can't find is how do you have a modeless window pop open and not allow the user to continue to open new windows?
.h
private:
MyDialog *mDialog;.cpp
mDialog = new MyDialog(this);
mDialog->show(); -
hi and welcome
with new windows, you mean another copy of Mydialog?
you could test with
if (mDialog!=NULL && mDialog->isVisible() ) return;set mDialog =NULL in constructor.
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hi and welcome
with new windows, you mean another copy of Mydialog?
you could test with
if (mDialog!=NULL && mDialog->isVisible() ) return;set mDialog =NULL in constructor.
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did you set mDialog=NULL; at constructor?
else it just has random value and u will crash.
