IMultiSelection.Invert Method

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Automation:

void Invert ( [in] ulong Size) ;

Native (C++):

HRESULT Invert ( [in] unsigned __int64 Size) ;

Parameters

SizeThe total size of an object. Used to properly invert selection.

Return Value

S_OK or standard OLE error code.

Remarks

Inverts the current selection. All defined ranges become gaps and all gaps become ranges. This method accepts the total size which is usually the current file's size. Calling Invert method two times with a same Size value will leave the selection object intact. Complexity: constant-time.

Examples

Using the Invert method

JavaScriptCopy Code

var fdoc = new ActiveXObject("FileDocument.FileDocument");
var msel = fdoc.CreateEmptySelection();
msel.AddRange(100, 20);  // selection: [100..120)
msel.Invert(200); // selection: [0..100) U [120..200)
msel.Invert(200); // selection: [100..120)

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