There are two more functions that can toggle keyboard state but each of them has some specific limitations like SendInput does. In this article, you will find all possible variants with their descriptions and limitations and a simple solution for toggling these keys avoiding compatibility problems.
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// ToggleKeysDoc.h : interface of the CToggleKeysDoc class
//
/////////////////////////////////////////////////////////////////////////////
#if !defined(AFX_TOGGLEKEYSDOC_H__CCD0FED6_AC8E_4757_8DAB_36DBDD599490__INCLUDED_)
#define AFX_TOGGLEKEYSDOC_H__CCD0FED6_AC8E_4757_8DAB_36DBDD599490__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
class CToggleKeysDoc : public CDocument
{
protected: // create from serialization only
CToggleKeysDoc();
DECLARE_DYNCREATE(CToggleKeysDoc)
// Attributes
public:
// Operations
public:
// Overrides
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CToggleKeysDoc)
public:
virtual BOOL OnNewDocument();
virtual void Serialize(CArchive& ar);
//}}AFX_VIRTUAL
// Implementation
public:
virtual ~CToggleKeysDoc();
#ifdef _DEBUG
virtual void AssertValid() const;
virtual void Dump(CDumpContext& dc) const;
#endif
protected:
// Generated message map functions
protected:
//{{AFX_MSG(CToggleKeysDoc)
// NOTE - the ClassWizard will add and remove member functions here.
// DO NOT EDIT what you see in these blocks of generated code !
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
/////////////////////////////////////////////////////////////////////////////
//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.
#endif // !defined(AFX_TOGGLEKEYSDOC_H__CCD0FED6_AC8E_4757_8DAB_36DBDD599490__INCLUDED_)
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