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lcl: forms: add GetParentDesignControl

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git-svn-id: trunk@54433 -
This commit is contained in:
ondrej 2017-03-17 18:39:19 +00:00
parent 5667c05f6c
commit 43f6f51029
1 changed files with 11 additions and 2 deletions
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13
lcl/forms.pp
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@ -1801,6 +1801,7 @@ function GetFirstParentForm(Control:TControl): TCustomForm;
function ValidParentForm(Control: TControl; TopForm: Boolean = True): TCustomForm; function ValidParentForm(Control: TControl; TopForm: Boolean = True): TCustomForm;
function GetDesignerForm(APersistent: TPersistent): TCustomForm; function GetDesignerForm(APersistent: TPersistent): TCustomForm;
function FindRootDesigner(APersistent: TPersistent): TIDesigner; function FindRootDesigner(APersistent: TPersistent): TIDesigner;
function GetParentDesignControl(Control: TControl): TCustomDesignControl;
function NeedParentDesignControl(Control: TControl): TCustomDesignControl; function NeedParentDesignControl(Control: TControl): TCustomDesignControl;
function IsAccel(VK: word; const Str: string): Boolean; function IsAccel(VK: word; const Str: string): Boolean;
@ -2006,7 +2007,7 @@ begin
end; end;
//------------------------------------------------------------------------------ //------------------------------------------------------------------------------
function NeedParentDesignControl(Control: TControl): TCustomDesignControl; function GetParentDesignControl(Control: TControl): TCustomDesignControl;
var var
SControl: TControl; SControl: TControl;
begin begin
@ -2017,7 +2018,15 @@ begin
if Control is TCustomDesignControl then if Control is TCustomDesignControl then
Result := TCustomDesignControl(Control) Result := TCustomDesignControl(Control)
else else
raise EInvalidOperation.CreateFmt(rsControlHasNoParentFormOrFrame, [SControl.Name]); Result := nil;
end;
//------------------------------------------------------------------------------
function NeedParentDesignControl(Control: TControl): TCustomDesignControl;
begin
Result := GetParentDesignControl(Control);
if Result=nil then
raise EInvalidOperation.CreateFmt(rsControlHasNoParentFormOrFrame, [Control.Name]);
end; end;
//------------------------------------------------------------------------------ //------------------------------------------------------------------------------