Shell_NotifyIcon (Windows CE 5.0)

Artikel
09/14/2012

This function sends a message to the system to add, modify, or delete an icon from the taskbar status area.

Syntax

WINSHELLAPI BOOL WINAPI Shell_NotifyIcon(  DWORDdwMessage,   PNOTIFYICONDATApnid );

Parameters

dwMessage
[in] Specifies the message value to send. The following table shows the possible values.

Value Description

NIM_ADD Adds an icon to the status area.

NIM_DELETE Deletes an icon from the status area.

NIM_MODIFY Modifies an icon in the status area.
pnid
[in] Pointer to a NOTIFYICONDATA structure. The content of the structure depends on the value of dwMessage.

Value	Description
NIM_ADD	Adds an icon to the status area.
NIM_DELETE	Deletes an icon from the status area.
NIM_MODIFY	Modifies an icon in the status area.

Return Values

Nonzero indicates success. Zero indicates failure.

Code Example

The following code example demonstrates how to use Shell_NotifyIcon.

Note To make the following code example easier to read, security checking and error handling are not included. This code example should not be used in a release configuration unless it has been modified to include them.

void Shell_NotifyIconExample()
{

    // Add a Shell_NotifyIcon notificaion for PocketPC or Smartphone.
    NOTIFYICONDATA nid = {0};

    nid.cbSize         = sizeof(nid);
    nid.uID            = 100;      // Per WinCE SDK docs, values from 0 to 12 are reserved and should not be used.
    nid.uFlags         = NIF_ICON;
    nid.hIcon          = LoadIcon(g_hInstance, MAKEINTRESOURCE(IDI_SAMPLEICON));

    // Add the notification to the tray.
    Shell_NotifyIcon(NIM_ADD, &nid);

    // Update the notification icon.
    nid.uFlags         = NIF_ICON;
    nid.hIcon          = LoadIcon(g_hInstance, MAKEINTRESOURCE(IDI_SAMPLEICON2));

    Shell_NotifyIcon(NIM_MODIFY, &nid);

    // Remove the notification from the tray.
    Shell_NotifyIcon(NIM_DELETE, &nid);

    return;

}

Requirements

OS Versions: Windows CE 1.0 and later.
Header: Shellapi.h.

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