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{alias:qblockedtrace} |
Name
qblockedtrace — connect widget and Tcl variable
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See qtrace for a further description on how variable tracing works.
Arguments
widget
The widget to which the variable will be connected. If this argument is omitted the current widget will be used.
variable
The name of the traced variable. The variable should be global or exist in a namespace. When referring to a namespace variable the namespace name should be part of the argument, like "MyNamespace::my_variable".