ExpressionTextBox – works on Activity properties too!

So Matt Winkler read my previous post and said hey, what about properties of type Activity<foo>, can’t they be bound to ExpressionTextBoxes too? Snap, I had forgotten about that case. The answer is actually yes, because VisualBasicValue and VisualBasicReference derive from Activity, expressions are then assignable to Activity and then the activity can be scheduled….

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ExpressionTextBox – for arguments only (well mostly)

[12/19 edit: ExpressionTextBox is not strictly for arguments only, see the exception here] In a previous post I alluded to the fact that you should be able to bind an ExpressionTextBox to a CLR property. My hazy memory was that this was done at one point in time by omitting the ArgumentToExpressionConverter from the Expression…

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Using untyped arguments in an ExpressionTextBox

The ExpressionTextBox sample code in the SDK works just fine in beta 2. The sample demonstrates the use of an ExpressionTextBox in a custom activity designer. In the sample, I implemented a simple MultiAssign activity, which assigns two values to two variables. In the example, I used untyped InArguments and OutArguments. That particular example was…

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