Search
Module:
Directory

   Desktop Functions:

   Smart Device Functions:


Show Recent Changes
Subscribe (RSS)
Misc. Pages
Comments
FAQ
Helpful Tools
Playground
Suggested Reading
Website TODO List
Support Forum
Download Visual Studio Add-In

Terms of Use
Privacy Policy
getkeyboardlayout (user32)
 
.
Summary

C# Signature:

[DllImport("user32.dll")]
static extern IntPtr GetKeyboardLayout(uint idThread);

Vb.Net Signature:

Public Declare Function GetKeyboardLayout Lib "user32" (ByVal idThread As UInteger) As IntPtr

User-Defined Types:

None.

Notes:

None.

Tips & Tricks:

Please add some!

Sample Code:

///For using "imm32.dll"'s functions.

const int GCL_REVERSECONVERSION = 0x0002;

[DllImport("Imm32.dll")]
public static extern IntPtr ImmGetContext(IntPtr hWnd);

[DllImport("User32.dll")]
public static extern IntPtr GetKeyboardLayout(int idThread);

[DllImport("Imm32.dll")]
public static extern int ImmGetConversionList(
    IntPtr hKL,
    IntPtr hIMC,
    string lpSrc,
    IntPtr lpDst,
    int dwBufLen,
    int uFlag          
    );

[DllImport("Imm32.dll")]
public static extern bool ImmReleaseContext(IntPtr hWnd,IntPtr hIMC);

[StructLayout(LayoutKind.Sequential)]
public class CANDIDATELIST
{
    public int  dwSize;      
    public int  dwStyle;      
    public int  dwCount;      
    public int  dwSelection;  
    public int  dwPageStart;  
    public int  dwPageSize;  
    public int  dwOffset;  
}

public string[] GetReverseConversion(string AText)
{
    string[] strList = null;
    if (AText.Length > 0)
    {
    IntPtr hIMC = ImmGetContext(this.Handle);
    IntPtr hKL = GetKeyboardLayout(0);
    int dwSize = ImmGetConversionList(hKL,hIMC,AText,IntPtr.Zero,0,GCL_REVERSECONVERSION);
    if (dwSize > 0)
    {
        IntPtr BufList = Marshal.AllocHGlobal(dwSize);
        try
        {
        ImmGetConversionList(hKL,hIMC,AText,BufList,dwSize,GCL_REVERSECONVERSION);
        CANDIDATELIST list = new CANDIDATELIST();
        Marshal.PtrToStructure(BufList,list);
        byte[] buf = new byte[dwSize];
        Marshal.Copy(BufList,buf,0,dwSize);
        Marshal.FreeHGlobal(BufList);
        int os = list.dwOffset;
        string str = System.Text.Encoding.Default.GetString(buf,os,buf.Length-os-3);
        char[] par = "\0".ToCharArray();
        strList = str.Split(par);
        }
        finally
        {
        ImmReleaseContext(this.Handle,hIMC);
        }
    }
    }
    return strList;
}

///The example of use of the above code

private void button1_Click(object sender, System.EventArgs e)
{
    listBox1.Items.Clear();
    listBox1.Items.AddRange(GetReverseConversion(textBox1.Text));
}

Alternative Managed API:

Do you know one? Please contribute it!

Documentation

Please edit this page!

Do you have...

  • helpful tips or sample code to share for using this API in managed code?
  • corrections to the existing content?
  • variations of the signature you want to share?
  • additional languages you want to include?

Select "Edit This Page" on the right hand toolbar and edit it! Or add new pages containing supporting types needed for this API (structures, delegates, and more).

 
Access PInvoke.net directly from VS:
Terms of Use
Edit This Page
Find References
Show Printable Version
Revisions