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ceregdeletekey (rapi)

rapi is for smart devices, not desktop Windows. Therefore, this information only applies to code using the .NET Compact Framework. To see if information for ceregdeletekey in other DLLs exists, click on Find References to the right.

This function deletes a named subkey from the specified registry key. The subkey to be deleted cannot have any subkeys.

C# Signature:

[DllImport("rapi.dll", CharSet=CharSet.Unicode)]
public static extern uint CeRegDeleteKey(
    uint hKey,
    string subKey);

User-Defined Types:

uint HKEY_CLASSES_ROOT = 0x80000000;
uint HKEY_CURRENT_USER = 0x80000001;
uint HKEY_LOCAL_MACHINE = 0x80000002;
uint HKEY_USERS = 0x80000003;


function info on msdn at

Tips & Tricks:

Please add some!

Sample Code:

uint key;
uint ret = CeRegOpenKeyEx(HKEY_CURRENT_USER,"Software\\TestApp\\Settings",0,0x1,out key);

if(ret == 0)  


Alternative Managed API:


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