Unit 'Variants' Package
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GetPropValue

Return a property value as a variant.

Declaration

Source position: variants.pp line 352

function GetPropValue(

  Instance: TObject;

  PropInfo: PPropInfo;

  PreferStrings: Boolean

):Variant; overload;

Arguments

Instance

  

Instance from which to get property value.

PropInfo

  

Pointer to propety information (RTTI).

PreferStrings

  

Try to cast to string.

Function result

Property value as variant.

Description

GetPropValue returns the value of the property described by PropInfo from the Instance. The property value is returned as a variant type.

when PreferStrings is true, the implementation will tend to cast to a string-valued variant when a conversion must be done.

This function is used as the value for the TypInfo unit's OnGetPropValue callback. This callback is automatically initialized with the function when the variants unit is used.

See also

TypInfo

  

Access Run-Time Type Information (RTTI).

TypInfo.OnGetPropValue

  

Callback to get a property value as a variant.

SetPropValue

  

Set a property value as a variant.


Documentation generated on: Oct 27 2024