RAD Studio VCL Reference
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Controls.mrNone Constant

The default modal dialog return value.

Pascal
mrNone = 0;
C++
mrNone = 0;

Controls

The MessageDlg function provides a convenient mechanism for asking the user for a decision. mrNone is the default value before a user exits the dialog. 

 

MessageDlg 

MsgDlgBtn 

TModalResult

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