RAD Studio VCL Reference
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Displays the dialog box.
function Execute: Boolean; virtual; overload; function Execute(ParentWnd: HWND): Boolean; virtual; abstract; overload;
virtual __fastcall Boolean Execute(); virtual __fastcall Boolean Execute(HWND ParentWnd) = 0;
TCommonDialog introduces the abstract Execute method, which descendant classes use to open the dialog instance at runtime. Generally, Execute returns true when the user makes a selection and clicks OK, and returns false when the user closes the dialog without making a selection.
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