DataProxy.connectValidateRowChanges

Connect to ValidateRowChanges signal.

Gets emitted when proxy is about to commit a row change to the proxied data model. If any callback returns a non null value, then the change commit fails with the returned #GError

class DataProxy

ulong

connectValidateRowChanges

(

)

(

T callback

Flag!"After" after = No.After

)

if (

isCallable!T &&

is(ReturnType!T == glib.error.ErrorWrap)

(

Parameters!T.length < 1 ||

(

ParameterStorageClassTuple!T[0] == ParameterStorageClass.none &&

is(Parameters!T[0] == int)

)

(

Parameters!T.length < 2 ||

(

ParameterStorageClassTuple!T[1] == ParameterStorageClass.none &&

is(Parameters!T[1] == int)

)

(

Parameters!T.length < 3 ||

(

ParameterStorageClassTuple!T[2] == ParameterStorageClass.none &&

is(Parameters!T[2] : gda.data_proxy.DataProxy)

)

Parameters!T.length < 4

)

Parameters

callback T: signal callback delegate or function to connect
glib.error.ErrorWrap callback(int row, int proxiedRow, gda.data_proxy.DataProxy dataProxy)
row the proxy's row (optional)
proxiedRow the proxied data model's row (optional)
dataProxy the instance the signal is connected to (optional)
Returns a new #GError if validation failed, or null
after Flag!"After": Yes.After to execute callback after default handler, No.After to execute before (default)

Return Value

Type: ulong

Signal ID