PDFEditorCommandHandlerAsListener.cs

class PdfEditorCommandHandler : PDFXEdit.IUIX_CmdHandler
{
	public PDFXEdit.IPXV_Inst m_Inst = null;
	public PDFXEdit.IUIX_CmdHandler m_OldSaveHandler = null;
	public PDFXEdit.IUIX_CmdHandler m_OldSaveAsHandler = null;
	private long m_nSaveID = 0;
	private long m_nSaveAsID = 0;

	public PdfEditorCommandHandler(PDFXEdit.IPXV_Inst Inst)
	{
		m_Inst = Inst;
		m_nSaveID = m_Inst.Str2ID("cmd.save");
		m_nSaveAsID = m_Inst.Str2ID("cmd.saveAs");
	}

	public void OnCreateNewCtl(PDFXEdit.IUIX_Cmd pCmd, PDFXEdit.IUIX_CmdBar pParent, out PDFXEdit.IUIX_Obj pCtl)
	{
		if (pCmd.ID == m_nSaveID)
			m_OldSaveHandler.OnCreateNewCtl(pCmd, pParent, out pCtl);
		else if (pCmd.ID == m_nSaveAsID)
			m_OldSaveAsHandler.OnCreateNewCtl(pCmd, pParent, out pCtl);
		else
			pCtl = null;
	}

	public void OnGetCtlSizes(PDFXEdit.IUIX_CmdItem pItem, ref PDFXEdit.tagSIZE nSize, ref PDFXEdit.tagSIZE nMinSize, ref PDFXEdit.tagSIZE nMaxSize)
	{
		if (pItem.Cmd.ID == m_nSaveID)
			m_OldSaveHandler.OnGetCtlSizes(pItem, nSize, nMinSize, nMaxSize);
		else if (pItem.Cmd.ID == m_nSaveAsID)
			m_OldSaveAsHandler.OnGetCtlSizes(pItem, nSize, nMinSize, nMaxSize);
	}

	public void OnGetItemState(PDFXEdit.IUIX_Cmd pCmd, PDFXEdit.IUIX_CmdItem pItem, PDFXEdit.IUIX_Obj pOwner, out int nState)
	{
		if (pCmd.ID == m_nSaveID)
			m_OldSaveHandler.OnGetItemState(pCmd, pItem, pOwner, out nState);
		else if (pCmd.ID == m_nSaveAsID)
			m_OldSaveAsHandler.OnGetItemState(pCmd, pItem, pOwner, out nState);
		else
			nState = (int)PDFXEdit.UIX_CmdItemState.UIX_CmdItemState_Unknown;
	}

	public void OnGetItemSubMenu(PDFXEdit.IUIX_CmdItem pItem, out PDFXEdit.IUIX_CmdMenu pSubMenu)
	{
		//pSubMenu = pItem.SubMenu;
		if (pItem.Cmd.ID == m_nSaveID)
			m_OldSaveHandler.OnGetItemSubMenu(pItem, out pSubMenu);
		else if (pItem.Cmd.ID == m_nSaveAsID)
			m_OldSaveAsHandler.OnGetItemSubMenu(pItem, out pSubMenu);
		else
			pSubMenu = pItem.SubMenu;
	}

	public void OnNotify(int nCode, PDFXEdit.IUIX_Cmd pCmd, PDFXEdit.IUIX_CmdItem pItem, PDFXEdit.IUIX_Obj pOwner, uint nNotifyData)
	{
		if (pCmd.ID == m_nSaveID)
		{
			//...
			//Save notification
			//...
			m_OldSaveHandler.OnNotify(nCode, pCmd, pItem, pOwner, nNotifyData);
		}
		else if (pCmd.ID == m_nSaveAsID)
		{
			//...
			//Save As notification
			//...
			m_OldSaveAsHandler.OnNotify(nCode, pCmd, pItem, pOwner, nNotifyData);
		}
	}

	public void OnDrawItemIcon(PDFXEdit.IUIX_RenderContext pRC, PDFXEdit.IUIX_CmdItem pItem, ref PDFXEdit.tagRECT stIconRect, ref PDFXEdit.tagRECT stClip)
	{
		//throw new System.NotImplementedException();
		if (pItem.Cmd.ID == m_nSaveID)
			m_OldSaveHandler.OnDrawItemIcon(pRC, pItem, stIconRect, stClip);
		else if (pItem.Cmd.ID == m_nSaveAsID)
			m_OldSaveAsHandler.OnDrawItemIcon(pRC, pItem, stIconRect, stClip);
	}
}

PdfEditorCommandHandler cmdHandler = null;

private void customizeSaveCommandToolStripMenuItem_Click(object sender, EventArgs e)
{
	cmdHandler = new PdfEditorCommandHandler(pdfCtl.Inst);
	PDFXEdit.IUIX_Inst iuiInst = (PDFXEdit.IUIX_Inst)pdfCtl.Inst.GetExtension("UIX");
	PDFXEdit.IUIX_Cmd cmd = iuiInst.CmdManager.Cmds.Find("cmd.save");
	cmdHandler.m_OldSaveHandler = cmd.Handler;
	cmd.Handler = cmdHandler;
	cmd = iuiInst.CmdManager.Cmds.Find("cmd.saveAs");
	cmdHandler.m_OldSaveAsHandler = cmd.Handler;
	cmd.Handler = cmdHandler;

}