RAD Studio VCL Reference
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TCustomUpDown.CanChange Method
TCustomUpDown Class | TCustomUpDown Members | ComCtrls Namespace | Description | See Also
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Indicates whether Position can change.

Pascal
function CanChange: Boolean; dynamic;
C++
__fastcall Boolean CanChange();
Description

CanChange is called automatically when the user clicks the arrow buttons or an attempt is made to change the value of Position programmatically. CanChange generates an OnChanging event followed by an OnChangingEx event. It allows the change unless an OnChanging or OnChangingEx event handler prevents it. 

 

See Also
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